Betterbird Changelog

What's new in Betterbird 115.10.0-bb27

Apr 16, 2024

CHANGED: - Switched Windows system notifications to new Mozilla platform code to improve registering in the Windows Action Centre on Windows 11
FIXED: - A combination of text filter, negated tag filter and more than one tag button selected/negated sometimes gave wrong results
FIXED: - Encoding problem when editing message headers under certain circumstances

New in Betterbird 115.9.0-bb26 (Mar 20, 2024)

Fixed in this version:
CHANGED - "Quick Filter untagged messages" replaced with "Quick Filter button negation" (incl. untagged messages). Note: A combination of text filter, negated tag filter and more than one tag button selected/negated may give wrong results. - Bug 683809
Bug 744365
FIXED - Usage of add-on "Grammar Checker & Paraphraser – LanguageTool" prevented downgrade of message to plain text
FIXED - Linux-only: Better detection of Gnome desktop to avoid crash related to system tray notifications
FIXED - Subject sometimes not spell-checked - Bug 1884761
FIXED - Unexpected: There are non-ASCII characters in the local part of the recipient address <empty> and your server does not support SMTPUTF8. - Bug 1885285
FIXED again - Incorrect total new message count in system tray tooltip and Windows taskbar badge (inconsistent with sum of folder counts) in rare cases
FIXED - Setting prefs mail.addressDisplayAuthor and mail.addressDisplayRecipients had no effect on a new profile
FIXED - Re-established secondary sort by date in "Grouped by Sort" views - Bug 1873353
Fixed in Betterbird, not fixed in Thunderbird 115.9.0 yet:
Fixes provided by the Betterbird project and integrated into Thunderbird to be released later
FIXED - Left-over temporary directories pid-NNNN and other temporary files (fixed in 115.7.0) - Bug 1873950
FIXED - A sound was sometimes played for new feed messages even if disabled with pref mail.feed.play_sound. New prefs mail.feed.play_sound.type and mail.feed.play_sound.url to configure feed notification sounds if desired (fixed in 115.6.1) - Bug 1871493
FIXED - Undo/Redo not working on stand-alone message window (fixed in 115.3.2) - Bug 1855643
FIXED - Delivery status notification (DSN) request not working when "Send Later" is used (fixed in 115.3.0) - Bug 815638
Various minor fixes that Thunderbird isn't shipping yet:
Bug 522768 Bug 531319 Bug 956446 Bug 1368011 Bug 1427546 Bug 1520435 Bug 1678057 Bug 1799368 Bug 1811214 Bug 1812726 Bug 1823024 Bug 1833031 Bug 1837152 Bug 1843221 Bug 1847265 Bug 1851975 Bug 1854138 Bug 1859271 Bug 1861200 Bug 1862519 Bug 1862521 Bug 1862978 Bug 1863820 Bug 1865598 Bug 1867091 Bug 1868094 Bug 1868718 Bug 1870873 Bug 1873282 Bug 1873313 Bug 1873607 Bug 1874450 Bug 1875577 Bug 1876431 Bug 1876662 Bug 1877774 Bug 1877962 Bug 1880043 Bug 1881124 Bug 1884661

New in Betterbird 115.8.1-bb25 (Mar 5, 2024)

New in Betterbird 115.8.0-bb24 (Feb 22, 2024)

New in Betterbird 115.7.0-bb23 (Jan 23, 2024)

New in Betterbird 115.6.1-bb22 (Jan 8, 2024)

New in Betterbird 115.6.0-bb21 (Dec 19, 2023)

Fixed in this version:
NEW - Account colours part 2 and 3: Message list (unified folders only) and Write/compose window
FIXED - Crash when entering an invalid regular expression into a filter search term
FIXED - Phantom rows and search problems relating to too many folders being searched. Should now work with up to 6144 folders. On Linux, increase ulimit -n according to the number of folders in the profile.
Fixed in Betterbird, not fixed in Thunderbird 115.6.0 yet:
Fixes provided by the Betterbird project and integrated into Thunderbird to be released later
FIXED - After restart, unread/total message counts not shown for collapsed servers in the folder tree, now also working for favourite and unread modes (fixed in 115.5.0) - Bug 1862774
FIXED - Window/tab closed when downloading rest of POP3 message when "close on move/delete" option was selected (fixed in 115.4.2) - Bug 1861886
Various minor fixes that Thunderbird isn't shipping yet:
Bug 522768 Bug 1799368 Bug 1812726 Bug 1823024 Bug 1837152 Bug 1846054 Bug 1862519 Bug 1862521 Bug 1864338 Bug 1866819 Bug 1867407 Bug 1867532 Bug 1868079 Bug 1868474 Bug 1868718 Bug 1868794 Bug 1868974 Bug 1869557 Bug 1870817
Features and fixes exclusive to Betterbird (new in the 115 series):
NEW - End-of-year Donation campaign: Betterbird will ask for a donation. This is only once per profile per year. (fixed in 115.5.2)
NEW - Account colours part 1: Account Manager and folder pane. (fixed in 115.5.2). Note: Color black (#000000) is interpreted as "no colour". The chosen colour is applied with 20% opacity.
NEW - More layouts: "Wide thread" (thread pane wide on top, folder and preview pane below), "Stacked" (folder pane and thread pane both on the left) (fixed in 115.5.2)
NEW - Attachment list on top in Write (compose) window
NEW - Make tabs session restore optional. Option to restore no tabs, system tabs or all tabs. (fixed in 115.5.2)- Bug 506526
CHANGED - Thread pane can now be collapsed to the height of one row (fixed in 115.5.2) - Bug 1855611
FIXED - Minimise to tray not working on Linux if attempted before tray icon shows for the first time (fixed in 115.5.2) - GitHub #227
NEW - Quick filter and folder search in S/MIME encrypted messages (fixed in 115.5.1)
FIXED - Global search in S/MIME encrypted messages not working (fixed in 115.5.1)
FIXED - Problem with manually sorting (ordering) IMAP folders in folder pane (fixed in 115.5.1)
FIXED - Empty "phantom" content tabs appearing after startup-up (fixed in 115.5.1)
RESTORED - Windows system notifications (fixed in 115.5.0)
NEW - Ability to manually sort (order) folders in folder pane (most of the work by the Thunderbird team, adjustments by Betterbird) (fixed in 115.5.0) - Bug 1846550, Bug 1864510, Bug 1864582
NEW - Introduced pref betterbird.update.checkIntervalDays to configure time between update checks (in days) (fixed in 115.5.0)
FIXED - Turning multi-line view on/off wasn't immediately reflected in the thread pane/message list (fixed in 115.5.0)
FIXED - Performance issue when using search/virtual folders (fixed in 115.5.0) - Bug 1864247
FIXED - Checking for add-on updates hung at "Updating add-ons" under some circumstances (fixed in 115.5.0)
FIXED - Error Console output when checking updates for add-ons not hosted on ATN (fixed in 115.4.2) - Bug 1861372
FIXED - After restart, unread/total message counts not shown for collapsed servers in the folder tree (fixed in 115.4.2) - Bug 1835548
NEW - Shift+Click on "Mark Folder Read" will also mark all sub-folders as read (fixed in 115.4.0) - Bug 500762
CHANGED - On Windows Betterbird now uses its own registry entries to better co-exist with a Thunderbird installation (fixed in 115.4.0)
FIXED - Bad X-MOZ-LASTACK attributes from iCloud CalDAV calendars not tolerated (fixed in 115.4.0) - Bug 1849849
FIXED - Couldn't open or save encrypted message attachment (fixed in 115.4.0) - Bug 1689326, Bug 1837247
NEW - Pref mail.download.open_attachments_readonly to disable that attachments are opened read-only (fixed in 115.3.2)
FIXED - Undo/Redo not working on stand-alone message window (fixed in 115.3.2) - Bug 1855643
FIXED - Fixed broken activation when clicking system tray icon on some Linux KDE installations (fixed in 115.3.2)
CHANGED - Improved activation when clicking system tray icon on Linux Mate (fixed in 115.3.2)
NEW - "Open Link in Browser" in compose window via context menu (fixed in 115.3.1) - Bug 695142
FIXED - SMTP: Limit messages per connection with new pref mail.smtpserver.default.max_messages_per_connection (fixed in 115.3.1) - Bug 1854567
RESTORED - Menu bar at the top of the main window (not underneath the new unified toolbar)
RESTORED - Total and unread/selected count removed from status bar (further improvements in 115.1.0, GitHub #183) - Bug 1831667
RESTORED - No more connecting lines in threaded view - Bug 1829470
RESTORED - Visual feedback during Quick Filter Search - Bug 1831500
RESTORED - Broken feed functionality, a lot of breakage in Thunderbird "Supernova": Feed updates, icons, etc.
MITIGATED - Problem with restoring message and folder tabs after restart on large profiles with many calendars - Bug 1841411
NEW - Vertically aligned tabs
NEW - Attachment list on top
NEW - Header pane resize
NEW - Minimize to system tray on Linux (KDE, Gnome and Xfce desktops), improved in 115.2.1
CHANGED - Improved portable launcher. Portable installation can now be moved without loss of functionality
CHANGED - New program icons for Mac (compliant with Apple rules)
CHANGED - Tab titles restore quicker (not a fix for tab restoral problem, see above)
CHANGED - More Troubleshooting Information now also displays identity and server keys
NEW - New preference gloda.list.immediate to show the search result as list immediately without having to click "Show results as list". Values: 0: Facet view, 1: Facet view and list view, 2: List view only. - Bug 580252
FIXED - Can't cancel sending message - Bug 1816540
FIXED better - Display/repair of some messages (incl. subject) with incorrect charset headers - Bug 1739609
FIXED - Can't drag contact on mailing list in other address book - Bug 1782397
FIXED - Invalid Atom feeds with missing title not accepted, for example German Heise c't feed
FIXED - Delivery status notification (DSN) request not working when "Send Later" is used - Bug 815638

New in Betterbird 115.5.2-bb20 (Dec 12, 2023)

New in Betterbird 115.5.1-bb19 (Nov 27, 2023)

New in Betterbird 115.4.2-bb17 Preview (Nov 7, 2023)

New in Betterbird 115.4.0-bb16 Preview (Oct 24, 2023)

New in Betterbird 115.3.2-bb15 (Oct 10, 2023)

New in Betterbird 115.3.1-bb14 (Oct 3, 2023)

New in Betterbird 115.3.0-bb14 (Oct 1, 2023)

Fixed in this version:
NEW - "Open Link in Browser" in compose window via context menu - Bug 695142
CHANGED - Improved activation when clicking system tray icon on Linux
FIXED - Show all headers not working in stand-alone message window - Bug 1855316
FIXED - SMTP: Limit messages per connection with new pref mail.smtpserver.default.max_messages_per_connection - Bug 1854567
FIXED - Movemail was not functional in the 115 series so far - apologies! Note that Movemail is NOT supported in the FlatPak build.
Fixed in Betterbird, not fixed in Thunderbird 115.3.1 yet:
Fixes provided by the Betterbird project and integrated into Thunderbird to be released later
FIXED - Reply prefix ("Re:", "RE:") not detected for news messages - Bug 1845155
FIXED - From field made editable when switching identities under certain circumstances - Bug 1850055
Various minor fixes that Thunderbird isn't shipping yet:
Bug 1836735, Bug 1840500, Bug 1847791, Bug 1854023, Bug 1854035, Bug 1854064
Features and fixes exclusive to Betterbird (new in the 115 series):
RESTORED - Menu bar at the top of the main window (not underneath the new unified toolbar)
RESTORED - Total and unread/selected count removed from status bar (further improvements in 115.1.0, GitHub #183) - Bug 1831667
RESTORED - No more connecting lines in threaded view - Bug 1829470
RESTORED - Visual feedback during Quick Filter Search - Bug 1831500
RESTORED - Broken feed functionality, a lot of breakage in Thunderbird "Supernova": Feed updates, icons, etc.
MITIGATED - Problem with restoring message and folder tabs after restart on large profiles with many calendars - Bug 1841411
NEW - Vertically aligned tabs
NEW - Attachment list on top
NEW - Header pane resize
NEW - Minimize to system tray on Linux (KDE, Gnome and Xfce desktops), improved in 115.2.1
CHANGED - Improved portable launcher. Portable installation can now be moved without loss of functionality
CHANGED - New program icons for Mac (compliant with Apple rules)
CHANGED - Tab titles restore quicker (not a fix for tab restoral problem, see above)
CHANGED - More Troubleshooting Information now also displays identity and server keys
NEW - New preference gloda.list.immediate to show the search result as list immediately without having to click "Show results as list". Values: 0: Facet view, 1: Facet view and list view, 2: List view only. - Bug 580252
FIXED - Dummy rows in grouped view contained artefacts from other rows - Bug 1839035
FIXED - Format incorrect when replying with selection to non-flowed plain text message - Bug 1839226
FIXED - Can't cancel sending message - Bug 1816540
FIXED better - Display/repair of some messages (incl. subject) with incorrect charset headers - Bug 1739609
FIXED - Can't drag contact on mailing list in other address book - Bug 1782397
FIXED - Support for FQDN in message IDs (don't know that that is? Don't worry about it) - Bug 1846837
FIXED - Problems with long attachment names - Bug 1827882
FIXED - Invalid Atom feeds with missing title not accepted, for example German Heise c't feed
FIXED - Status feedback when loading messages and downloading IMAP messages - Bug 1832149
FIXED - Thread collapsed/expanded status not restored of folder "grouped by sort", thread no opened to selection - Bug 1851320
FIXED - Saving draft/template didn't respect the original storage location in a subfolder - Bug 263114
FIXED - Delivery status notification (DSN) request not working when "Send Later" is used - Bug 815638

New in Betterbird 115.3.0-bb13 Preview (Sep 27, 2023)

Fixed in this version:
RESTORED - Menu bar at the top of the main window (not underneath the new unified toolbar)
RESTORED - Total and unread/selected count removed from status bar (further improvements in 115.1.0, GitHub #183) - Bug 1831667
RESTORED - No more connecting lines in threaded view - Bug 1829470
RESTORED - Visual feedback during Quick Filter Search - Bug 1831500
RESTORED - Broken feed functionality, a lot of breakage in Thunderbird "Supernova": Feed updates, icons, etc.
MITIGATED - Problem with restoring message and folder tabs after restart on large profiles with many calendars - Bug 1841411
NEW - Vertically aligned tabs
NEW - Attachment list on top
NEW - Header pane resize
NEW - Minimize to system tray on Linux (KDE, Gnome and Xfce desktops), improved in 115.2.1
CHANGED - Improved portable launcher. Portable installation can now be moved without loss of functionality
CHANGED - New program icons for Mac (compliant with Apple rules)
CHANGED - Tab titles restore quicker (not a fix for tab restoral problem, see above)
CHANGED - More Troubleshooting Information now also displays identity and server keys
NEW - New preference gloda.list.immediate to show the search result as list immediately without having to click "Show results as list". Values: 0: Facet view, 1: Facet view and list view, 2: List view only. - Bug 580252
FIXED - Dummy rows in grouped view contained artefacts from other rows - Bug 1839035
FIXED - Format incorrect when replying with selection to non-flowed plain text message - Bug 1839226
FIXED - Can't cancel sending message - Bug 1816540
FIXED better - Display/repair of some messages (incl. subject) with incorrect charset headers - Bug 1739609
FIXED - Can't drag contact on mailing list in other address book - Bug 1782397
FIXED - Reply prefix ("Re:", "RE:") not detected for news messages - Bug 1845155
FIXED - Support for FQDN in message IDs (don't know that that is? Don't worry about it) - Bug 1846837
FIXED - Problems with long attachment names - Bug 1827882
FIXED - Invalid Atom feeds with missing title not accepted, for example German Heise c't feed
FIXED - From field made editable when switching identities under certain circumstances - Bug 1850055
FIXED - Status feedback when loading messages and downloading IMAP messages - Bug 1832149
FIXED - Thread collapsed/expanded status not restored of folder "grouped by sort", thread no opened to selection - Bug 1851320
FIXED - Saving draft/template didn't respect the original storage location in a subfolder - Bug 263114
FIXED - Delivery status notification (DSN) request not working when "Send Later" is used - Bug 815638
Other fixes not contained in Thunderbird 115.3.0 yet: Bug 1788534, Bug 1836735, Bug 1840500, Bug 1847791, Bug 1852525, Bug 1854035, Bug 1854064
Note that Thunderbird 115 is still very much work-in-progress with features destined for version 115 still incomplete and various "Supernova" bugs not fixed in the current version.

New in Betterbird 115.2.3-bb12 Preview (Sep 19, 2023)

Fixed in this version:
RESTORED - Menu bar at the top of the main window (not underneath the new unified toolbar)
RESTORED - Total and unread/selected count removed from status bar (further improvements in 115.1.0, GitHub #183) - Bug 1831667
RESTORED - No more connecting lines in threaded view - Bug 1829470
RESTORED - Visual feedback during Quick Filter Search - Bug 1831500
RESTORED - Broken feed functionality, a lot of breakage in Thunderbird "Supernova": Feed updates, icons, etc.
MITIGATED - Problem with restoring message and folder tabs after restart on large profiles with many calendars - Bug 1841411
CHANGED - Reduced row height of multi-line view to follow row height of card view (changed in 115.1.0)
NEW - Vertically aligned tabs
NEW - Attachment list on top
NEW - Header pane resize
NEW - Minimize to system tray on Linux (KDE, Gnome and Xfce desktops), improved in 115.2.1
CHANGED - New program icons for Mac (compliant with Apple rules)
CHANGED - Tab titles restore quicker (not a fix for tab restoral problem, see above)
CHANGED - More Troubleshooting Information now also displays identity and server keys
NEW - New preference gloda.list.immediate to show the search result as list immediately without having to click "Show results as list". Values: 0: Facet view, 1: Facet view and list view, 2: List view only. - Bug 580252
FIXED - Dummy rows in grouped view contained artefacts from other rows - Bug 1839035
FIXED - Format incorrect when replying with selection to non-flowed plain text message - Bug 1839226
FIXED - Subject of encrypted messages not shown in message list - Bug 1843833
FIXED - Can't cancel sending message - Bug 1816540
FIXED - Display of new or unread messages in system tray not reliable
FIXED better - Display/repair of some messages (incl. subject) with incorrect charset headers - Bug 1739609
FIXED - Can't drag contact on mailing list in other address book - Bug 1782397
FIXED - Reply prefix ("Re:", "RE:") not detected for news messages - Bug 1845155
FIXED - Support for FQDN in message IDs (don't know that that is? Don't worry about it) - Bug 1846837
FIXED - Problems with long attachment names - Bug 1827882
FIXED - Invalid Atom feeds with missing title not accepted, for example German Heise c't feed
FIXED - From field made editable when switching identities under certain circumstances - Bug 1850055
FIXED - SPAM folders with non-ASCII names didn't work - Bug 1816332
FIXED - Status feedback when loading messages and downloading IMAP messages - Bug 1832149
FIXED - Thread collapsed/expanded status not restored of folder "grouped by sort", thread no opened to selection - Bug 1851320
FIXED - Saving draft/template didn't respect the original storage location in a subfolder - Bug 263114
FIXED - Delivery status notification (DSN) request not working when "Send Later" is used - Bug 815638
Other fixes not contained in Thunderbird 115.2.3 yet: Bug 673703, Bug 1806860, Bug 1831280, Bug 1836735, Bug 1840500, Bug 1847791

New in Betterbird 102.15.1-bb41 (Sep 14, 2023)

Fixed in this version:
NEW - Minimize to system tray on Linux (KDE, Gnome and Xfce desktops), improved in 102.15.1
FIXED - Saving draft/template didn't respect the original storage location in a subfolder - Bug 263114
FIXED - Delivery status notification (DSN) request not working when "Send Later" is used - Bug 815638
FIXED - SPAM folders with non-ASCII names didn't work - Bug 1816332
Fixed in Betterbird, not fixed in Thunderbird 102.15.1 yet:
Fixes provided by the Betterbird project and integrated into Thunderbird to be released later
CHANGED - Improved the Sending progress dialogue: Now works during retry if previous dialogue was cancelled (fixed in 102.9.1) - Bug 1824624
FIXED - Hang when viewing HTML message with many links as plain text (possible denial of service attack vector) (fixed in 102.9.0) - Bug 1812386
FIXED - Subscribe/Unsubscribe buttons didn't check/uncheck the respective checkbox for the folder) (fixed in 102.7.1) - Bug 1813346
CHANGED - Selecting or unselecting a dictionary in the editor context menu doesn't close the menu (fixed in 102.0) - Bug 1761417
FIXED - Various problems when saving the compose window as file (fixed in 91.9.1) - Bug 1676825
FIXED - Status text sometimes displayed "null" (fixed in 91.9.0) - Bug 1766578
FIXED - .startup-incomplete not deleted from profile (fixed in 91.8.0) - Bug 1762043
FIXED - Inserting links with spaces gave random erroneous results (fixed in 91.0) - Bug 1563452
Various minor fixes that Thunderbird isn't shipping yet:
WITHDRAWN (as of 11th May 2023) - Problem with Google calendar descriptions - Bug 1792078
FIXED - Lost writing style on various occasions, for example after image insertion - Backout of bug 1730429
NEW - New preferences mail.biff.show_tray_icon_always to always show the system tray icon (in Betterbird effective for Windows and Linux) - Bug 1727874
FIXED - Cropping of subject lines with UTF-8 emoticons - Bug 1799093
FIXED - Send progress dialogue collapsed when sending encrypted message - Bug 1777788
CHANGED - Preference mail.smime.remind_encryption_possible set to true enabling the notification for possible S/MIME encryption - Bug 1808295
Other fixes: Bug 673703, Bug 1528297, Bug 1673446, Bug 1708320, Bug 1782415, Bug 1783517, Bug 1790619, Bug 1793313, Bug 1794117, Bug 1798597, Bug 1802685

New in Betterbird 115.2.1-bb11 Preview (Sep 12, 2023)

Fixed in this version:
RESTORED - Menu bar at the top of the main window (not underneath the new unified toolbar)
RESTORED - Total and unread/selected count removed from status bar (futher improvements in 115.1.0, GitHub #183) - Bug 1831667
RESTORED - No more connecting lines in threaded view - Bug 1829470
RESTORED - Visual feedback during Quick Filter Search - Bug 1831500
RESTORED - Broken feed functionality, a lot of breakage in Thunderbird "Supernova": Feed updates, icons, etc.
MITIGATED - Problem with restoring message and folder tabs after restart on large profiles with many calendars - Bug 1841411
CHANGED - Reduced row height of multi-line view to follow row height of card view (changed in 115.1.0)
NEW - Vertically aligned tabs
NEW - Attachment list on top
NEW - Header pane resize
NEW - Minimize to system tray on Linux (KDE, Gnome, Xfce desktops), improved in 115.2.1
CHANGED - New program icons for Mac (compliant with Apple rules)
CHANGED - Tab titles restore quicker (not a fix for tab restoral problem, see above)
CHANGED - More Troubleshooting Information now also displays identity and server keys
NEW - New preference gloda.list.immediate to show the search result as list immediately without having to click "Show results as list". Values: 0: Facet view, 1: Facet view and list view, 2: List view only. - Bug 580252
FIXED - Dummy rows in grouped view contained artefacts from other rows - Bug 1839035
FIXED - Format incorrect when replying with selection to non-flowed plain text message - Bug 1839226
FIXED - Subject of encrypted messages not shown in message list - Bug 1843833
FIXED - Can't cancel sending message - Bug 1816540
FIXED - Display of new or unread messages in system tray not reliable
FIXED better - Display/repair of some messages (incl. subject) with incorrect charset headers - Bug 1739609
FIXED - Can't drag contact on mailing list in other address book - Bug 1782397
FIXED - Some feeds, particularly from Feedburner, not working - Bug 1803739
FIXED - Reply prefix ("Re:", "RE:") not detected for news messages - Bug 1845155
FIXED - Support for FQDN in message IDs (don't know that that is? Don't worry about it) - Bug 1846837
FIXED - Problems with long attachment names - Bug 1827882
FIXED - Invalid Atom feeds with missing title not accepted, for example German Heise c't feed
FIXED - From field made editable when switching identities under certain circumstances - Bug 1850055
FIXED - SPAM folders with non-ASCII names didn't work - Bug 1816332
FIXED - Status feedback when loading IMAP messages - Bug 1832149
FIXED - Thread collapsed/expanded status not restored of folder "grouped by sort" - Bug 1851320
FIXED - Saving draft/template didn't respect the original storage location in a subfolder - Bug 263114
FIXED - Delivery status notification (DSN) request not working when "Send Later" is used - Bug 815638
Other fixes not contained in Thunderbird 115.2.1 yet: Bug 673703, Bug 1670457, Bug 1673446, Bug 1806860, Bug 1831280, Bug 1836735, Bug 1840500, Bug 1842384, Bug 1848155, Bug 1848261, Bug 1848366, Bug 1849919, Bug 1850281, Bug 1850760 Bug 1850850, Bug 1851563,

New in Betterbird 102.15.0-bb40 (Aug 30, 2023)

New in Betterbird 115.1.0-bb8 Preview (Aug 1, 2023)

Based on Thunderbird 115.1.0, release notes.
Betterbird 115 offers all the features and bug fixes mentioned on the feature table on the home page: Multi-line view, complex search terms, regular expression search, search in encrypted messages, improved Windows and Linux system tray integration, and many more. During the preview period we're featuring improvements compared to Thunderbird 115 in the release notes.
Fixed in this version:
RESTORED - Menu bar at the top of the main window (not underneath the new unified toolbar)
RESTORED - Total and unread/selected count removed from status bar (futher improvements in 115.1.0, GitHub #183) - Bug 1831667
RESTORED - No more connecting lines in threaded view - Bug 1829470
RESTORED - Visual feedback during Quick Filter Search - Bug 1831500
RESTORED - Broken feed functionality, a lot of breakage in Thunderbird "Supernova": Feed updates, icons, etc.
MITIGATED - Problem with restoring message and folder tabs after restart on large profiles with many calendars - Bug 1841411
CHANGED - Reduced row height of multi-line view to follow row height of card view
NEW - New preference gloda.list.immediate to show the search result as list immediately without having to click "Show results as list". Values: 0: Facet view, 1: Facet view and list view, 2: List view only. - Bug 580252
FIXED - New mail (biff) indicator cleared prematurely when more than two new messages are received and read - Bug 1839805
FIXED - Dummy rows in grouped view contained artefacts from other rows - Bug 1839035
FIXED - Format incorrect when replying with selection to non-flowed plain text message - Bug 1839226
FIXED - Subject of encrypted messages not shown in message list - Bug 1843833
FIXED - Can't cancel sending message - Bug 1816540
FIXED - Display of new or unread messages in system tray not reliable
FIXED - Some feeds, particularly from Feedburner, not working - Bug 1803739
FIXED - Reply prefix ("Re:", "RE:") not detected for news messages - Bug 1845155
FIXED - Problems with long attachment names - Bug 1827882
FIXED - Invalid Atom feeds with missing title not accepted, for example German Heise c't feed
Other fixes not contained in Thunderbird 115.1.0 yet: Bug 673703, Bug 1673446, Bug 1835173, Bug 1836735, Bug 1840500, Bug 1843707, Bug 1844534, Bug 1845457
Note that Thunderbird 115 is still very much work-in-progress with features destined for version 115 still incomplete and various "Supernova" bugs not fixed in the current version.

New in Betterbird 102.14.0-bb39 (Aug 1, 2023)

Fixed in this version:
FIXED - Reply prefix ("Re:", "RE:") not detected for news messages - Bug 1845155
FIXED - Invalid Atom feeds with missing title not accepted, for example German Heise c't feed
Fixed in Betterbird, not fixed in Thunderbird 102.13.0 yet:
Fixes provided by the Betterbird project and integrated into Thunderbird to be released later
CHANGED - Improved the Sending progress dialogue: Now works during retry if previous dialogue was cancelled (fixed in 102.9.1) - Bug 1824624
FIXED - Hang when viewing HTML message with many links as plain text (possible denial of service attack vector) (fixed in 102.9.0) - Bug 1812386
FIXED - Subscribe/Unsubscribe buttons didn't check/uncheck the respective checkbox for the folder) (fixed in 102.7.1) - Bug 1813346
CHANGED - Selecting or unselecting a dictionary in the editor context menu doesn't close the menu (fixed in 102.0) - Bug 1761417
FIXED - Various problems when saving the compose window as file (fixed in 91.9.1) - Bug 1676825
FIXED - Status text sometimes displayed "null" (fixed in 91.9.0) - Bug 1766578
FIXED - .startup-incomplete not deleted from profile (fixed in 91.8.0) - Bug 1762043
FIXED - Inserting links with spaces gave random erroneous results (fixed in 91.0) - Bug 1563452
Various minor fixes that Thunderbird isn't shipping yet:
WITHDRAWN (as of 11th May 2023) - Problem with Google calendar descriptions - Bug 1792078
FIXED - Lost writing style on various occasions, for example after image insertion - Backout of bug 1730429
NEW - New preferences mail.biff.show_tray_icon_always to always show the system tray icon (in Betterbird effective for Windows and Linux) - Bug 1727874
FIXED - Cropping of subject lines with UTF-8 emoticons - Bug 1799093
FIXED - Send progress dialogue collapsed when sending encrypted message - Bug 1777788
CHANGED - Preference mail.smime.remind_encryption_possible set to true enabling the notification for possible S/MIME encryption - Bug 1808295
Other fixes: Bug 673703, Bug 1528297, Bug 1673446, Bug 1708320, Bug 1782415, Bug 1783517, Bug 1790619, Bug 1793313, Bug 1794117, Bug 1798597, Bug 1802685
Fixed in prior 102.x versions (Betterbird specific):
FIXED - Betterbird collected data for reporting without ever submitting it. Now data collection in the datareporting folder has been completely disabled. (fixed in 102.13.0)
FIXED - Update check didn't take policy DisableAppUpdate into account (fixed in 102.11.1) - GitHub #158
CHANGED - Linux: Using EGL 1.5 graphics now instead of GLX 1.4 fixing fuzzy fonts for some users (fixed in 102.9.1)
CHANGED - Linux: Now supporting sideloaded "application" add-ons stored in betterbird/extensions. To enable those add-ons, preference extensions.autoDisableScopes needs to be set to 3. (fixed in 102.9.1)
CHANGED - Multi-line support when add-on "Conversations" is used. Second line can be aligned with "Between" column. (fixed in 102.9.1)
CHANGED - Improved portable launcher. Can now be registered as default mail application on Windows. (fixed in 102.7.1)
CHANGED - Update check will now handle failure better (fixed in 102.6.1)
CHANGED - Followed Thunderbird by adding an "end-of-year donation appeal" (fixed in 102.6.0) - Bug 1801200
CHANGED - Reverted portable laucher to previous version so add-ons start more reliably without setting preference extensions.startupScanScopes to 5 or 7 (fixed in 102.5.1)
NEW - Re-enable additional languages (via Betterbird language packs) and language switching in the settings (fixed in 102.3.0)
NEW - Thunderbird language packs which are incompatible with Betterbird can no longer be installed (fixed in 102.3.0)
CHANGED - WM_CLASS on Linux is now "betterbird" (fixed in 102.3.0)
Features and fixes exclusive to Betterbird (new in the 102 series):
NEW - New preference gloda.list.immediate to show the search result as list immediately without having to click "Show results as list". Values: 0: Facet view, 1: Facet view and list view, 2: List view only (fixed in 102.13.0) - Bug 580252
NEW - Icon configurability for main window and system tray, compose window and calendar dialogues (add/edit calendar, add/edit/summary event) have their own icons. See here for details. (fixed in 102.11.0 and 102.11.1) - GitHub #151
FIXED - Stability fix for folder search and Quick Filter in encrypted messages (fixed in 102.11.1)
FIXED - Issue with complex search terms when inserting a term at the top (fixed in 102.11.0)
CHANGED - Pref browser.download.start_downloads_in_tmp_dir now set to true to avoid .partfiles on desktop when opening attachments from the compose window (fixed in 102.11.0) - Bug 1800328
NEW - Preference mail.startupMinimized to minimise the main windows after startup (aka "startup minimised") (fixed in 102.10.1)
NEW - Preference mail.multiselect_message_shows_current to disable summaries on multi-select and display the last selected message (fixed in 102.10.0) - Bug 364896
CHANGED - Newsgroup folders now display the last selected message when multiple messages are selected. This also applies when when preference mail.operate_on_msgs_in_collapsed_threads is set to false. (fixed in 102.10.0) - Bug 364896
NEW - Improved display of complex search terms in filter editor, search window and virtual folder/saved searches window (fixed in 102.10.0)
FIXED - Improved the Sending progress dialogue: Incompatibility with add-on MailMerge (fixed in 102.11.0) - GitHub #150
CHANGED - Improved the Sending progress dialogue, no longer showing 100% when sending is cancelled (fixed in 102.9.1)
CHANGED - Improved the Sending/Saving progress dialogue now showing 100% successful sending (fixed in 102.9.0)
NEW - Short date entry in Calendar with formats DD, DDMM, DDMMYY and DDMMYYYY, for example 0505 to mean the 5th of May of the current year (fixed in 102.8.0)
NEW - Regular expressions in search terms (folder search and filters) via "matches" and "doesn't match" conditions. Note that matching is case-insensitive and is implemented using the C++ std::regex library, which (almost completely) follows the regular expression syntax in the ECMA-262 Standard. (fixed in 102.7.1) - Bug 19442
NEW (Linux) - System tray support for Linux (fixed in 102.7.0) - Bug 18732
NEW - Insert menu for plain text compositions (fixed in 102.7.0) - Bug 230684
FIXED (Mac) - Dragging a message to the desktop didn't work (fixed in 102.7.0) - Bug 1455429
FIXED - Problems with invalid S/MIME signatures on servers which add empty lines (fixed in 102.6.1) - Bug 1805558
FIXED better - Multiple spellcheck dictionaries not reliably set in new composition and not restored when editing draft (fixed in 102.6.1) - Bug 1775376
NEW - Restored Unix Movemail support (Linux and macOS) (pending GitHub #104) (fixed in 102.5.1) - Bug 1728778 Bug 1802145
FIXED - Folder search and search/virtual folder not working when based on more than 500 folders, also causing MSF file loss (fixed in 102.5.0) - Bug 1554188
FIXED - Status display "Searching..." not cleared when messages loaded for search/virtual folder (fixed in 102.5.0) - Bug 561328
NEW - More menu options for selecting multi-line view: All folders, individual folders, switched off (fixed in 102.3.1)
FIXED - "Open in Conversation" not present on menus when collapsed thread was selected (fixed in 102.3.1) - Bug 668491
FIXED - Fix drag of image from MyPhoneExplorer (MPE) to compose window (fixed in 102.3.0) - Bug 1790291
NEW - Added non-breaking hyphen (U+2011) and em-dash (U+2014) to "Insert Character/Symbol" menu (en-dash was added previously) (fixed in 102.2.1)
FIXED - Compositions using "fixed width" text at a non-default size erroneously downgraded to plain text (fixed in 102.2.0 )- Bug 1786162
NEW - By popular demand, the multi-line view now also supports threading (fixed in 102.0)
CHANGED - Better styling for summary lines in "grouped by" multi-line views (fixed in 102.0)
NEW - Option to send message as HTML or plain text, depending on whether rich formatting is used (fixed in 102.0)
CHANGED - Unlike Thunderbird, Betterbird does not use a threaded view for new folders (preference mailnews.default_view_flags, 0 = normal, 1 = threaded) (fixed in 102.0)
FIXED - Some disturbing error console messages (fixed in 102.0) - Bug 1744944
FIXED - Multiple spellcheck dictionaries not reliably set in new composition and not restored when editing draft (fixed in 102.0) - Bug 1775376
Features and fixes exclusive to Betterbird (already in the 91 series):
NEW - Multi-line view. View > Layout > Multi-line View On All Folders or per folder in the column picker
NEW - Search terms now allow for complex expressions by adding a group feature - Bug 297852
NEW - Quick Filter untagged messages - Bug 683809
FIXED - Global search in encrypted messages (needs to be enabled in preferences) - Bug 188988
NEW - Regular folder search and Quick Filter in encrypted messages - Bug 1562737
CHANGED - Windows system tray ("systray") tooltip now showing list folders with new messages - Bug 1721063
NEW - Context menu in a news message now includes "Open Message For ID" (message pane only, not in message in tab)
FIXED - New posts in ignored threads caused "phantom" unread messages. "Mark > Thread As Read" will fix corruption - Bug 799040
NEW - Preferences mail.addressDisplayAuthor and mail.addressDisplayRecipients (1 = name, 2 = e-mail, 3 = both) for message list display - Bug 697031
NEW - Showing file URL for detached attachments, correct size and strike-through for deleted files - Bug 1740956, Bug 1741093
NEW - Folder context menu now offers to set folder as startup folder (instead of last visited)
NEW - Add Recent menu to allow attaching recently used files (Windows only) - Bug 1560737
FIXED - Issues when dragging Windows shell link (.lnk) or folder to Write (compose) window - Bug 276869, Bug 524874
CHANGED - Activity manager opens in tab
FIXED - Attachments saved via double-click didn't get listed in the list of saved files (Ctrl+J) - Bug 1744709
NEW - Ctrl+Shift+Space inserts NBSP now, also mostly fixes "automatic" unwanted NBSP replacement - Bug 532712
FIXED - Copying NBSP replaced NBSP with regular space (fixed in 91.8.0) - Bug 359303, Bug 1769534
FIXED - Repair Text Encoding didn't repair the subject - Bug 1739609
Not mentioned in the front page feature table:
NEW - Preference mail.openpgp.ignore_missing_mdc to allow display of attachments with missing MDC - Bug 1729221
NEW - Added preference mail.biff.show_for_server to optionally suppress biff notifications for server root folders.
FIXED - Subject change with "new subject (was: old subject)" didn't work - Bug 1680425
FIXED - Feed reader didn't tolerate any XML errors; now it will try fetching the feed as HTML as a fallback - Bug 1746749
FIXED - Moving multiple IMAP folders didn't work - Bug 589008
FIXED - Copying an embedded image didn't work under certain circumstances - Bug 1760365
FIXED - ... and a few more: Comma in detached file name (Bug 350825), Charset forward detection (Bug 1737245), Charset detection (Bug 1746695)

New in Betterbird 115.0.1-bb7 Preview (Jul 20, 2023)

New in Betterbird 102.13.0-bb38 (Jul 5, 2023)

Fixed in this version:
NEW - New preference gloda.list.immediate to show the search result as list immediately without having to click "Show results as list". Values: 0: Facet view, 1: Facet view and list view, 2: List view only. - Bug 580252
FIXED - Betterbird collected data for reporting without ever submitting it. Now data collection in the datareporting folder has been completely disabled.
Fixed in Betterbird, not fixed in Thunderbird 102.13.0 yet:
Fixes provided by the Betterbird project and integrated into Thunderbird to be released later
CHANGED - Improved the Sending progress dialogue: Now works during retry if previous dialogue was cancelled (fixed in 102.9.1) - Bug 1824624
FIXED - Hang when viewing HTML message with many links as plain text (possible denial of service attack vector) (fixed in 102.9.0) - Bug 1812386
FIXED - Subscribe/Unsubscribe buttons didn't check/uncheck the respective checkbox for the folder) (fixed in 102.7.1) - Bug 1813346
CHANGED - Selecting or unselecting a dictionary in the editor context menu doesn't close the menu (fixed in 102.0) - Bug 1761417
FIXED - Various problems when saving the compose window as file (fixed in 91.9.1) - Bug 1676825
FIXED - Status text sometimes displayed "null" (fixed in 91.9.0) - Bug 1766578
FIXED - .startup-incomplete not deleted from profile (fixed in 91.8.0) - Bug 1762043
FIXED - Inserting links with spaces gave random erroneous results (fixed in 91.0) - Bug 1563452
Various minor fixes that Thunderbird isn't shipping yet:
WITHDRAWN (as of 11th May 2023) - Problem with Google calendar descriptions - Bug 1792078
FIXED - Lost writing style on various occasions, for example after image insertion - Backout of bug 1730429
NEW - New preferences mail.biff.show_tray_icon_always to always show the system tray icon (in Betterbird effective for Windows and Linux) - Bug 1727874
FIXED - Cropping of subject lines with UTF-8 emoticons - Bug 1799093
FIXED - Send progress dialogue collapsed when sending encrypted message - Bug 1777788
CHANGED - Preference mail.smime.remind_encryption_possible set to true enabling the notification for possible S/MIME encryption - Bug 1808295
Other fixes: Bug 1528297, Bug 1708320, Bug 1782415, Bug 1783517, Bug 1790619, Bug 1793313, Bug 1794117, Bug 1798597, Bug 1802685

New in Betterbird 115.0b6-bb5 Preview (Jun 28, 2023)

New in Betterbird 115.0b5-bb4 Preview (Jun 27, 2023)

New in Betterbird 102.12.0-bb37 (Jun 7, 2023)

New in Betterbird 102.11.1-bb36 (May 25, 2023)

New in Betterbird 102.11.0-bb35 (May 9, 2023)

New in Betterbird 102.10.1-bb34 (Apr 24, 2023)

New in Betterbird 102.10.0-bb33 (Apr 10, 2023)

New in Betterbird 102.9.0-bb32 (Mar 29, 2023)

New in Betterbird 102.9.0-bb31 (Mar 15, 2023)

Fixed in this version:
CHANGED - Improved the Sending/Saving progress dialogue now showing 100% successful sending
FIXED - Hang when viewing HTML message with many links as plain text (possible denial of service attack vector) - Bug 1812386
FIXED - Lost writing style on various occasions, for example after image insertion - Backout of bug 1730429
FIXED correctly - Moving multiple IMAP folders didn't work - Bug 589008
FIXED - Improved IMAP error handling - Bug 1745130
Fixed in Betterbird, not fixed in Thunderbird 102.9.0 yet:
Fixes provided by the Betterbird project and integrated into Thunderbird to be released later
FIXED - Command line couldn't handle file: URL, for example: -url file:///home/user/import.ics (fixed in 102.8.0) - Bug 1816343
FIXED - Subscribe/Unsubscribe buttons didn't check/uncheck the respective checkbox for the folder) (fixed in 102.7.1) - Bug 1813346
CHANGED - Selecting or unselecting a dictionary in the editor context menu doesn't close the menu (fixed in 102.0) - Bug 1761417
FIXED - Various problems when saving the compose window as file (fixed in 91.9.1) - Bug 1676825
FIXED - Status text sometimes displayed "null" (fixed in 91.9.0) - Bug 1766578
FIXED - .startup-incomplete not deleted from profile (fixed in 91.8.0) - Bug 1762043
FIXED - Inserting links with spaces gave random erroneous results (fixed in 91.0) - Bug 1563452
Various minor fixes that Thunderbird ins't shipping yet:
NEW - New preferences mail.biff.show_tray_icon_always to always show the system tray icon (in Betterbird effective for Windows and Linux) - Bug 1727874
FIXED - Cropping of subject lines with UTF-8 emoticons - Bug 1799093
FIXED - Send progress dialogue collapsed when sending encrypted message - Bug 1777788
CHANGED - Pref mail.smime.remind_encryption_possible set to true enabling the notification for possible S/MIME encryption - Bug 1808295
Other fixes: Bug 1528297, Bug 1708320, Bug 1782415, Bug 1783517, Bug 1790619, Bug 1793313, Bug 1794117, Bug 1794180, Bug 1798597, Bug 1802685
Fixed in prior 102.x versions (Betterbird specific):
CHANGED - Improved portable launcher. Can now be registered as default mail application on Windows. (fixed in 102.7.1)
CHANGED - Update check will now handle failure better (fixed in 102.6.1)
CHANGED - Followed Thunderbird by adding an "end-of-year donation appeal" (fixed in 102.6.0) - Bug 1801200
CHANGED - Reverted portable laucher to previous version so add-ons start more reliably without setting pref extensions.startupScanScopes to 5 or 7 (fixed in 102.5.1)
NEW - Re-enable additional languages (via Betterbird language packs) and language switching in the settings (fixed in 102.3.0)
NEW - Thunderbird language packs which are incompatible with Betterbird can no longer be installed (fixed in 102.3.0)
CHANGED - WM_CLASS on Linux is now "betterbird" (fixed in 102.3.0)
Features and fixes exclusive to Betterbird (new in the 102 series):
NEW - Short date entry in Calendar with formats DD, DDMM, DDMMYY and DDMMYYYY, for example 0505 to mean the 5th of May of the current year (fixed in 102.8.0)
NEW - Regular expressions in search terms (folder search and filters) (fixed in 102.7.1) - Bug 19442
NEW (Linux) - System tray support for Linux (fixed in 102.7.0) - Bug 18732
NEW - Insert menu for plain text compositions (fixed in 102.7.0) - Bug 230684
FIXED (Mac) - Dragging a message to the desktop didn't work (fixed in 102.7.0) - Bug 1455429
FIXED - Problems with invalid S/MIME signatures on servers which add empty lines (fixed in 102.6.1) - Bug 1805558
FIXED better - Multiple spellcheck dictionaries not reliably set in new composition and not restored when editing draft (fixed in 102.6.1) - Bug 1775376
NEW - Restored Unix Movemail support (Linux and macOS) (pending GitHub #104) (fixed in 102.5.1) - Bug 1728778 Bug 1802145
FIXED - Folder search and search/virtual folder not working when based on more than 500 folders, also causing MSF file loss (fixed in 102.5.0) - Bug 1554188
FIXED - Status display "Searching..." not cleared when messages loaded for search/virtual folder (fixed in 102.5.0) - Bug 561328
NEW - More menu options for selecting multi-line view: All folders, individual folders, switched off (fixed in 102.3.1)
FIXED - "Open in Conversation" not present on menus when collapsed thread was selected (fixed in 102.3.1) - Bug 668491
FIXED - Fix drag of image from MyPhoneExplorer (MPE) to compose window (fixed in 102.3.0) - Bug 1790291
NEW - Added non-breaking hyphen (U+2011) and em-dash (U+2014) to "Insert Character/Symbol" menu (en-dash was added previously) (fixed in 102.2.1)
FIXED - Compositions using "fixed width" text at a non-default size erroneously downgraded to plain text (fixed in 102.2.0 )- Bug 1786162
NEW - By popular demand, the multi-line view now also supports threading (fixed in 102.0)
CHANGED - Better styling for summary lines in "grouped by" multi-line views (fixed in 102.0)
NEW - Option to send message as HTML or plain text, depending on whether rich formatting is used (fixed in 102.0)
CHANGED - Unlike Thunderbird, Betterbird does not use a threaded view for new folders (preference mailnews.default_view_flags, 0 = normal, 1 = threaded) (fixed in 102.0)
FIXED - Some disturbing error console messages (fixed in 102.0) - Bug 1744944
FIXED - Multiple spellcheck dictionaries not reliably set in new composition and not restored when editing draft (fixed in 102.0) - Bug 1775376
Features and fixes exclusive to Betterbird (already in the 91 series):
NEW - Multi-line view. View > Layout > Multi-line View On All Folders or per folder in the column picker
NEW - Search terms now allow for complex expressions by adding a group feature - Bug 297852
NEW - Quick Filter untagged messages - Bug 683809
FIXED - Global search in encrypted messages (needs to be enabled in preferences) - Bug 188988
NEW - Regular folder search and Quick Filter in encrypted messages - Bug 1562737
CHANGED - Windows system tray ("systray") tooltip now showing list folders with new messages - Bug 1721063
NEW - Context menu in a news message now includes "Open Message For ID" (message pane only, not in message in tab)
FIXED - New posts in ignored threads caused "phantom" unread messages. "Mark > Thread As Read" will fix corruption - Bug 799040
NEW - Preferences mail.addressDisplayAuthor and mail.addressDisplayRecipients (1 = name, 2 = e-mail, 3 = both) for message list display - Bug 697031
NEW - Showing file URL for detached attachments, correct size and strike-through for deleted files - Bug 1740956, Bug 1741093
NEW - Folder context menu now offers to set folder as startup folder (instead of last visited)
NEW - Add Recent menu to allow attaching recently used files (Windows only) - Bug 1560737
FIXED - Issues when dragging Windows shell link (.lnk) or folder to Write (compose) window - Bug 276869, Bug 524874
CHANGED - Activity manager opens in tab
FIXED - Attachments saved via double-click didn't get listed in the list of saved files (Ctrl+J) - Bug 1744709
NEW - Ctrl+Shift+Space inserts NBSP now, also mostly fixes "automatic" unwanted NBSP replacement - Bug 532712
FIXED - Copying NBSP replaced NBSP with regular space (fixed in 91.8.0) - Bug 359303, Bug 1769534
FIXED - Repair Text Encoding didn't repair the subject - Bug 1739609
Not mentioned in the front page feature table:
NEW - Preference mail.openpgp.ignore_missing_mdc to allow display of attachments with missing MDC - Bug 1729221
NEW - Added preference mail.biff.show_for_server to optionally suppress biff notifications for server root folders.
FIXED - Subject change with "new subject (was: old subject)" didn't work - Bug 1680425
FIXED - Feed reader didn't tolerate any XML errors; now it will try fetching the feed as HTML as a fallback - Bug 1746749
FIXED - Moving multiple IMAP folders didn't work - Bug 589008
FIXED - Copying an embedded image didn't work under certain circumstances - Bug 1760365
FIXED - ... and a few more: Comma in detached file name (Bug 350825), Charset forward detection (Bug 1737245), Charset detection (Bug 1746695)

New in Betterbird 102.8.0-bb30 (Mar 12, 2023)

Fixed in this version:
NEW - Short date entry in Calendar with formats DD, DDMM, DDMMYY and DDMMYYYY, for example 0505 to mean the 5th of May of the current year
FIXED - Command line couldn't handle file: URL, for example: -url file:///home/user/import.ics - Bug 1816343
Fixed in Betterbird, not fixed in Thunderbird 102.8.0 yet:
Fixes provided by the Betterbird project and integrated into Thunderbird to be released later
FIXED - Subscribe/Unsubscribe buttons didn't check/uncheck the respective checkbox for the folder) (fixed in 102.7.1) - Bug 1813346
CHANGED - Selecting or unselecting a dictionary in the editor context menu doesn't close the menu (fixed in 102.0) - Bug 1761417
FIXED - Various problems when saving the compose window as file (fixed in 91.9.1) - Bug 1676825
FIXED - Status text sometimes displayed "null" (fixed in 91.9.0) - Bug 1766578
FIXED - .startup-incomplete not deleted from profile (fixed in 91.8.0) - Bug 1762043
FIXED - Inserting links with spaces gave random erroneous results (fixed in 91.0) - Bug 1563452
Various minor fixes that Thunderbird ins't shipping yet:
NEW - New preferences mail.biff.show_tray_icon_always to always show the system tray icon (in Betterbird effective for Windows and Linux) - Bug 1727874
FIXED - Cropping of subject lines with UTF-8 emoticons - Bug 1799093
FIXED - Send progress dialogue collapsed when sending encrypted message - Bug 1777788
CHANGED - Pref mail.smime.remind_encryption_possible set to true enabling the notification for possible S/MIME encryption - Bug 1808295
Other fixes: Bug 1528297, Bug 1708320, Bug 1782415, Bug 1783517, Bug 1790619, Bug 1793313, Bug 1794117, Bug 1794180, Bug 1798597, Bug 1802685
Fixed in prior 102.x versions (Betterbird specific):
CHANGED - Improved portable launcher. Can now be registered as default mail application on Windows. (fixed in 102.7.1)
CHANGED - Update check will now handle failure better (fixed in 102.6.1)
CHANGED - Followed Thunderbird by adding an "end-of-year donation appeal" (fixed in 102.6.0) - Bug 1801200
CHANGED - Reverted portable laucher to previous version so add-ons start more reliably without setting pref extensions.startupScanScopes to 5 or 7 (fixed in 102.5.1)
NEW - Re-enable additional languages (via Betterbird language packs) and language switching in the settings (fixed in 102.3.0)
NEW - Thunderbird language packs which are incompatible with Betterbird can no longer be installed (fixed in 102.3.0)
CHANGED - WM_CLASS on Linux is now "betterbird" (fixed in 102.3.0)
Features and fixes exclusive to Betterbird (new in the 102 series):
NEW - Regular expressions in search terms (folder search and filters) (fixed in 102.7.1) - Bug 19442
NEW (Linux) - System tray support for Linux (fixed in 102.7.0) - Bug 18732
NEW - Insert menu for plain text compositions (fixed in 102.7.0) - Bug 230684
FIXED (Mac) - Dragging a message to the desktop didn't work (fixed in 102.7.0) - Bug 1455429
FIXED - Problems with invalid S/MIME signatures on servers which add empty lines (fixed in 102.6.1) - Bug 1805558
FIXED better - Multiple spellcheck dictionaries not reliably set in new composition and not restored when editing draft (fixed in 102.6.1) - Bug 1775376
NEW - Restored Unix Movemail support (Linux and macOS) (pending GitHub #104) (fixed in 102.5.1) - Bug 1728778 Bug 1802145
FIXED - Folder search and search/virtual folder not working when based on more than 500 folders, also causing MSF file loss (fixed in 102.5.0) - Bug 1554188
FIXED - Status display "Searching..." not cleared when messages loaded for search/virtual folder (fixed in 102.5.0) - Bug 561328
NEW - More menu options for selecting multi-line view: All folders, individual folders, switched off (fixed in 102.3.1)
FIXED - "Open in Conversation" not present on menus when collapsed thread was selected (fixed in 102.3.1) - Bug 668491
FIXED - Fix drag of image from MyPhoneExplorer (MPE) to compose window (fixed in 102.3.0) - Bug 1790291
NEW - Added non-breaking hyphen (U+2011) and em-dash (U+2014) to "Insert Character/Symbol" menu (en-dash was added previously) (fixed in 102.2.1)
FIXED - Compositions using "fixed width" text at a non-default size erroneously downgraded to plain text (fixed in 102.2.0 )- Bug 1786162
NEW - By popular demand, the multi-line view now also supports threading (fixed in 102.0)
CHANGED - Better styling for summary lines in "grouped by" multi-line views (fixed in 102.0)
NEW - Option to send message as HTML or plain text, depending on whether rich formatting is used (fixed in 102.0)
CHANGED - Unlike Thunderbird, Betterbird does not use a threaded view for new folders (preference mailnews.default_view_flags, 0 = normal, 1 = threaded) (fixed in 102.0)
FIXED - Some disturbing error console messages (fixed in 102.0) - Bug 1744944
FIXED - Multiple spellcheck dictionaries not reliably set in new composition and not restored when editing draft (fixed in 102.0) - Bug 1775376
Features and fixes exclusive to Betterbird (already in the 91 series):
NEW - Multi-line view. View > Layout > Multi-line View On All Folders or per folder in the column picker
NEW - Search terms now allow for complex expressions by adding a group feature - Bug 297852
NEW - Quick Filter untagged messages - Bug 683809
FIXED - Global search in encrypted messages (needs to be enabled in preferences) - Bug 188988
NEW - Regular folder search and Quick Filter in encrypted messages - Bug 1562737
CHANGED - Windows system tray ("systray") tooltip now showing list folders with new messages - Bug 1721063
NEW - Context menu in a news message now includes "Open Message For ID" (message pane only, not in message in tab)
FIXED - New posts in ignored threads caused "phantom" unread messages. "Mark > Thread As Read" will fix corruption - Bug 799040
NEW - Preferences mail.addressDisplayAuthor and mail.addressDisplayRecipients (1 = name, 2 = e-mail, 3 = both) for message list display - Bug 697031
NEW - Showing file URL for detached attachments, correct size and strike-through for deleted files - Bug 1740956, Bug 1741093
NEW - Folder context menu now offers to set folder as startup folder (instead of last visited)
NEW - Add Recent menu to allow attaching recently used files (Windows only) - Bug 1560737
FIXED - Issues when dragging Windows shell link (.lnk) or folder to Write (compose) window - Bug 276869, Bug 524874
CHANGED - Activity manager opens in tab
FIXED - Attachments saved via double-click didn't get listed in the list of saved files (Ctrl+J) - Bug 1744709
NEW - Ctrl+Shift+Space inserts NBSP now, also mostly fixes "automatic" unwanted NBSP replacement - Bug 532712
FIXED - Copying NBSP replaced NBSP with regular space (fixed in 91.8.0) - Bug 359303, Bug 1769534
FIXED - Repair Text Encoding didn't repair the subject - Bug 1739609
Not mentioned in the front page feature table:
NEW - Preference mail.openpgp.ignore_missing_mdc to allow display of attachments with missing MDC - Bug 1729221
NEW - Added preference mail.biff.show_for_server to optionally suppress biff notifications for server root folders.
FIXED - Subject change with "new subject (was: old subject)" didn't work - Bug 1680425
FIXED - Feed reader didn't tolerate any XML errors; now it will try fetching the feed as HTML as a fallback - Bug 1746749
FIXED - Moving multiple IMAP folders didn't work - Bug 589008
FIXED - Copying an embedded image didn't work under certain circumstances - Bug 1760365
FIXED - ... and a few more: Comma in detached file name (Bug 350825), Charset forward detection (Bug 1737245), Charset detection (Bug 1746695)

New in Betterbird 102.7.1-bb29 (Jan 31, 2023)

New in Betterbird 102.7.1-bb29 Preview (Jan 24, 2023)

New in Betterbird 102.7.0-bb28 (Jan 17, 2023)

New in Betterbird 102.6.1-bb28 (Jan 16, 2023)

New in Betterbird 102.6.1-bb27 (Dec 21, 2022)

New in Betterbird 102.6.0-bb26 (Dec 14, 2022)

Fixed in this version:
CHANGED - Further changes to handling of virtual folders - Bug 1554188
CHANGED - Followed Thunderbird by adding an "end-of-year donation appeal" - Bug 1801200
Fixed in prior 102.x versions (Betterbird specific):
NEW - Re-enable additional languages (via Betterbird language packs) and language switching in the settings (fixed in 102.3.0)
NEW - Thunderbird language packs which are incompatible with Betterbird can no longer be installed (fixed in 102.3.0)
CHANGED - WM_CLASS on Linux is now "betterbird" (fixed in 102.3.0)
CHANGED - Reverted portable laucher to previous version so add-ons start more reliably without setting pref extensions.startupScanScopes to 5 or 7 (fixed in 102.5.1)
Fixed in Betterbird, not fixed in Thunderbird 102.6.0 yet:
Fixes provided by the Betterbird project and integrated into Thunderbird to be released later
FIXED - Potential massive loss of MSF files when folder cache (folderCache.json) is (re-)build, for example when moving the profile or adding folders from backup (fixed in 102.5.0 )- Bug 1800202
CHANGED - Selecting or unselecting a dictionary in the editor context menu doesn't close the menu (fixed in 102.0) - Bug 1761417
FIXED - Various problems when saving the compose window as file (fixed in 91.9.1) - Bug 1676825
FIXED - Status text sometimes displayed "null" (fixed in 91.9.0) - Bug 1766578
FIXED - .startup-incomplete not deleted from profile (fixed in 91.8.0) - Bug 1762043
FIXED - Copying NBSP replaced NBSP with regular space (fixed in 91.8.0) - Bug 359303, Bug 1769534
Various minor Thunderbird fixes shipped early: Bug 1708320, Bug 1735803, Bug 1777276, Bug 1782415, Bug 1783517, Bug 1793313, Bug 1794180, Bug 1798597, Bug 1802685
Features and fixes exclusive to Betterbird (new in the 102 series):
NEW - Restored Unix Movemail support (Linux and macOS) (pending GitHub #104) (fixed in 102.5.1) - Bug 1728778 Bug 1802145
FIXED - Folder search and search/virtual folder not working when based on more than 500 folders, also causing MSF file loss (fixed in 102.5.0) - Bug 1554188
FIXED - Status display "Searching..." not cleared when messages loaded for search/virtual folder (fixed in 102.5.0) - Bug 561328
NEW - More menu options for selecting multi-line view: All folders, individual folders, switched off (fixed in 102.3.1)
FIXED - "Open in Conversation" not present on menus when collapsed thread was selected (fixed in 102.3.1) - Bug 668491
FIXED - Fix drag of image from MyPhoneExplorer (MPE) to compose window (fixed in 102.3.0) - Bug 1790291
NEW - Added non-breaking hyphen (U+2011) and em-dash (U+2014) to "Insert Character/Symbol" menu (en-dash was added previously) (fixed in 102.2.1)
FIXED - Compositions using "fixed width" text at a non-default size erroneously downgraded to plain text (fixed in 102.2.0 )- Bug 1786162
NEW - By popular demand, the multi-line view now also supports threading (fixed in 102.0)
CHANGED - Better styling for summary lines in "grouped by" multi-line views (fixed in 102.0)
NEW - Option to send message as HTML or plain text, depending on whether rich formatting is used (fixed in 102.0)
CHANGED - Unlike Thunderbird, Betterbird does not use a threaded view for new folders (preference mailnews.default_view_flags, 0 = normal, 1 = threaded) (fixed in 102.0)
FIXED - Some disturbing error console messages (fixed in 102.0) - Bug 1744944
FIXED - Multiple spellcheck dictionaries not reliably set in new composition and not restored when editing draft (fixed in 102.0) - Bug 1775376
Features and fixes exclusive to Betterbird (already in the 91 series):
NEW - Multi-line view. View > Layout > Multi-line View On All Folders or per folder in the column picker
NEW - Search terms now allow for complex expressions by adding a group feature - Bug 297852
NEW - Quick Filter untagged messages - Bug 683809
FIXED - Global search in encrypted messages (needs to be enabled in preferences) - Bug 188988
NEW - Regular folder search and Quick Filter in encrypted messages - Bug 1562737
CHANGED - Windows systray tooltip now showing list folders with new messages - Bug 1721063
NEW - Context menu in a news message now includes "Open Message For ID" (message pane only, not in message in tab)
FIXED - New posts in ignored threads caused "phantom" unread messages. "Mark > Thread As Read" will fix corruption - Bug 799040
NEW - Preferences mail.addressDisplayAuthor and mail.addressDisplayRecipients (1 = name, 2 = e-mail, 3 = both) for message list display - Bug 697031
NEW - Showing file URL for detached attachments, correct size and strike-through for deleted files - Bug 1740956, Bug 1741093
NEW - Folder context menu now offers to set folder as startup folder (instead of last visited)
NEW - Add Recent menu to allow attaching recently used files (Windows only) - Bug 1560737
FIXED - Issues when dragging Windows shell link (.lnk) or folder to Write (compose) window - Bug 276869, Bug 524874
CHANGED - Activity manager opens in tab
FIXED - Attachments saved via double-click didn't get listed in the list of saved files (Ctrl+J) - Bug 1744709
NEW - Ctrl+Shift+Space inserts NBSP now, also mostly fixes "automatic" unwanted NBSP replacement - Bug 532712
FIXED - Inserting links with spaces gave random erroneous results - Bug 1563452
FIXED - Repair Text Encoding didn't repair the subject - Bug 1739609
Not mentioned in the front page feature table:
NEW - Preference mail.openpgp.ignore_missing_mdc to allow display of attachments with missing MDC - Bug 1729221
NEW - Added preference mail.biff.show_for_server to optionally suppress biff notifications for server root folders.
FIXED - Subject change with "new subject (was: old subject)" didn't work - Bug 1680425
FIXED - Feed reader didn't tolerate any XML errors; now it will try fetching the feed as HTML as a fallback - Bug 1746749
FIXED - Moving multiple IMAP folders didn't work - Bug 589008
FIXED - Copying an embedded image didn't work under certain circumstances - Bug 1760365
FIXED - ... and a few more: Comma in detached file name (Bug 350825), Charset forward detection (Bug 1737245), Charset detection (Bug 1746695)

New in Betterbird 102.5.0-bb24 (Nov 15, 2022)

New in Betterbird 102.4.1-bb23 Beta (Nov 4, 2022)

New in Betterbird 102.4.1-bb22 Beta (Oct 27, 2022)

Fixed in this version:
Nothing new this time, folks, but still many fixes ahead of Thunderbird.
Fixed in prior 102.x versions:
FIXED - Command line option -remote that LibreOffice uses to send documents via Betterbird (fixed in 102.3.2) - Bug 1793323
NEW - More menu options for selecting multi-line view: All folders, individual folders, switched off (fixed in 102.3.1)
FIXED - "Open in Conversation" not present on menus when collapsed thread was selected (fixed in 102.3.1) - Bug 668491
NEW - Re-enable additional languages (via Betterbird language packs) and language switching in the settings (fixed in 102.3.0)
NEW - Thunderbird language packs which are incompatible with Betterbird can no longer be installed (fixed in 102.3.0)
CHANGED - WM_CLASS on Linux is now "betterbird" (fixed in 102.3.0)
FIXED - Fix drag of image from MyPhoneExplorer (MPE) to compose window (fixed in 102.3.0) - Bug 1790291
NEW - Added non-breaking hyphen (U+2011) and em-dash (U+2014) to "Insert Character/Symbol" menu (en-dash was added previously) (fixed in 102.2.1)
FIXED - Potential massive loss of MSF files when searching for message via message ID (fixed in 102.2.1) - Bug 1787609
NEW - By popular demand, the multi-line view now also supports threading (fixed in 102.0)
CHANGED - Better styling for summary lines in "grouped by" multi-line views (fixed in 102.0)
Fixed in this version (not fixed in Thunderbird 102.4.1 yet):
FIXED - Problem when spell checking selection - Bug 1779846
FIXED - Various minor issues - Bug 1708320 Bug 1735803 Bug 1770594 Bug 1777276 Bug 1782415 Bug 1783517 Bug 1792281 Bug 1792362 Bug 1794180 Bug 1794185 Bug 1794306 Bug 1794997 Bug 1795751 Bug 1796964
Features and fixes exclusive to Betterbird (new in the 102 series):
NEW - Option to send message as HTML or plain text, depending on whether rich formatting is used
CHANGED - Unlike Thunderbird, Betterbird does not use a threaded view for new folders (preference mailnews.default_view_flags, 0 = normal, 1 = threaded)
FIXED - Some disturbing error console messages - Bug 1744944
FIXED - Multiple spellcheck dictionaries not reliably set in new composition and not restored when editing draft - Bug 1775376
CHANGED - Selecting or unselecting a dictionary in the editor context menu doesn't close the menu - Bug 1761417
FIXED - Compositions using "fixed width" text at a non-default size erroneously downgraded to plain text - Bug 1786162
Features and fixes exclusive to Betterbird (already in the 91 series):
NEW - Multi-line view. View > Layout > Multi-line View On All Folders or per folder in the column picker
NEW - Search terms now allow for complex expressions by adding a group feature - Bug 297852
NEW - Quick Filter untagged messages - Bug 683809
FIXED - Global search in encrypted messages (needs to be enabled in preferences) - Bug 188988
NEW - Regular folder search and Quick Filter in encrypted messages - Bug 1562737
CHANGED - Windows systray tooltip now showing list folders with new messages - Bug 1721063
NEW - Context menu in a news message now includes "Open Message For ID" (message pane only, not in message in tab)
FIXED - New posts in ignored threads caused "phantom" unread messages. "Mark > Thread As Read" will fix corruption - Bug 799040
NEW - Preferences mail.addressDisplayAuthor and mail.addressDisplayRecipients (1 = name, 2 = e-mail, 3 = both) for message list display - Bug 697031
NEW - Showing file URL for detached attachments, correct size and strike-through for deleted files - Bug 1740956, Bug 1741093
NEW - Folder context menu now offers to set folder as startup folder (instead of last visited)
NEW - Add Recent menu to allow attaching recently used files (Windows only) - Bug 1560737
FIXED - Issues when dragging Windows shell link (.lnk) or folder to Write (compose) window - Bug 276869, Bug 524874
CHANGED - Activity manager opens in tab
FIXED - Attachments saved via double-click didn't get listed in the list of saved files (Ctrl+J) - Bug 1744709
FIXED - Copying NBSP replaced NBSP with regular space - Bug 359303
NEW - Ctrl+Shift+Space inserts NBSP now, also mostly fixes "automatic" unwanted NBSP replacement - Bug 532712
FIXED - Inserting links with spaces gave random erroneous results - Bug 1563452
FIXED - Repair Text Encoding didn't repair the subject - Bug 1739609
Not mentioned in the front page feature table:
NEW - Preference mail.openpgp.ignore_missing_mdc to allow display of attachments with missing MDC - Bug 1729221
NEW - Added preference mail.biff.show_for_server to optionally suppress biff notifications for server root folders.
FIXED - Subject change with "new subject (was: old subject)" didn't work - Bug 1680425
FIXED - Feed reader didn't tolerate any XML errors; now it will try fetching the feed as HTML as a fallback - Bug 1746749
FIXED - Moving multiple IMAP folders didn't work - Bug 589008
FIXED - Copying an embedded image didn't work under certain circumstances - Bug 1760365
FIXED - .startup-incomplete not deleted from profile - Bug 1762043
FIXED - Status text sometimes displayed "null" - Bug 1766578
FIXED - Various problems when saving the compose window as file - Bug 1676825
FIXED - ... and a few more: Comma in detached file name (Bug 350825), Charset forward detection (Bug 1737245), Charset detection (Bug 1746695)

New in Betterbird 102.3.3-bb20 Beta (Oct 11, 2022)

New in Betterbird 102.3.2-bb19 Beta (Oct 6, 2022)

New in Betterbird 102.3.1-bb18 Beta (Sep 29, 2022)

New in Betterbird 102.3.0-bb17 Beta (Sep 17, 2022)

New in Betterbird 91.13.1-bb37 (Sep 13, 2022)

This is the last version in the 91 series.
NEW - Thunderbird language packs which are incompatible with Betterbird can no longer be installed
FIXED - Compositions using "fixed width" text at a non-default size erroneously downgraded to plain text - Bug 1786162
FIXED - Various bugs that could lead to the mass deletion of Message Summary Files (MSF) - Bug 1773822 - Bug 1788901 - Bug 1787609
FIXED - Fix drag of image from MyPhoneExplorer (MPE) to compose window - Bug 1790291
Still only fixed in Betterbird 91, will ship in TB 102 in June/July 2022:
FIXED - New mail alert only shown for one account even when multiple accounts received new mail - Bug 1776580
FIXED - Saving the message source didn't work - Bug 1759911
FIXED - Display of symbol fonts (Webdings, Wingdings, etc.) didn't work - Bug 1756720 - Bug 1757897
FIXED - News folders which weren't open didn't receive unread message notification (highlight colour, yellow biff symbol) - Bug 1751160
FIXED - Ctrl+scroll wheel zoom did not work in message source window - Bug 1655244
FIXED - Issue with MS teams invitation in Google Calendar - Bug 1727061
FIXED - Saving a draft failed to delete temporary files under some circumstances - Bug 1751461
FIXED - Alerts in Activity Manager were missing timestamp - Bug 1717307
NEW - Re-established Enigmail's "decrypt to folder" - Bug 1693332
FIXED - Detached attachments weren't opened from original location but from temp instead (causing potential lost changes) - Bug 1761973
FIXED - Empty trash on exit not reliable, especially for flaky servers like Yahoo - Bug 1745205
FIXED - Issues with folder subscription on servers using OAuth2 (Yahoo, etc.) - Bug 1759883
FIXED - Couldn't drag link to new composition - Bug 1732903
FIXED - Couldn't drag image from message to new composition - Bug 1753331
FIXED - All day events allowed time entry - Bug 1744442
Features and fixes exclusive to Betterbird:
NEW - Multi-line view. View > Layout > Multi-line View On All Folders or per folder in the column picker
NEW - Header pane button customise restored - Bug 1556261
NEW - Search terms now allow for complex expressions by adding a group feature - Bug 297852
NEW - Quick Filter untagged messages - Bug 683809
FIXED - Global search in encrypted messages (needs to be enabled in preferences) - Bug 188988
NEW - Regular folder search and Quick Filter in encrypted messages - Bug 1562737
CHANGED - Windows systray tooltip now showing list folders with new messages - Bug 1721063
NEW - Context menu in a news message now includes "Open Message For ID" (message pane only, not in message in tab)
FIXED - New posts in ignored threads caused "phantom" unread messages. "Mark > Thread As Read" will fix corruption - Bug 799040
NEW - Preferences mail.addressDisplayAuthor and mail.addressDisplayRecipients (1 = name, 2 = e-mail, 3 = both) for message list display - Bug 697031
NEW - Showing file URL for detached attachments, correct size and strike-through for deleted files - Bug 1740956, Bug 1741093
NEW - Folder context menu now offers to set folder as startup folder (instead of last visited)
NEW - Add Recent menu to allow attaching recently used files (Windows only) - Bug 1560737
FIXED - Issues when dragging Windows shell link (.lnk) or folder to Write (compose) window - Bug 276869, Bug 524874
CHANGED - Activity manager opens in tab
FIXED - Attachments saved via double-click didn't get listed in the list of saved files (Ctrl+J) - Bug 1744709
FIXED - Copying NBSP replaced NBSP with regular space - Bug 359303
NEW - Ctrl+Shift+Space inserts NBSP now, also mostly fixes "automatic" unwanted NBSP replacement - Bug 532712
FIXED - Inserting links with spaces gave random erroneous results - Bug 1563452
FIXED - Repair Text Encoding didn't repair the subject - Bug 1739609
Not mentioned in the front page feature table:
NEW - Preference mail.openpgp.ignore_missing_mdc to allow display of attachments with missing MDC - Bug 1729221
NEW - Added preference mail.biff.show_for_server to optionally suppress biff notifications for server root folders.
FIXED - Subject change with "new subject (was: old subject)" didn't work - Bug 1680425
CHANGED - HTML-only messages will no longer be sent to plain text recipients - Bug 1727493, comment #31
FIXED - Feed reader didn't tolerate any XML errors; now it will try fetching the feed as HTML as a fallback - Bug 1746749
FIXED - Moving multiple IMAP folders didn't work - Bug 589008
FIXED - Copying an embedded image didn't work under certain circumstances - Bug 1760365
FIXED - .startup-incomplete not deleted from profile - Bug 1762043
FIXED - Status text sometimes displayed "null" - Bug 1766578
FIXED - Various problems when saving the compose window as file - Bug 1676825
FIXED - ... and a few more: Comma in detached file name (Bug 350825), Charset forward detection (Bug 1737245), Charset detection (Bug 1746695)

New in Betterbird 91.12.0-bb35 (Aug 22, 2022)

Based on Thunderbird 91.12.0, release notes.
Fixed in this version:
NEW - By popular demand, the multi-line view now also supports threading
CHANGED - Better styling for summary lines in "grouped by" multi-line views
CHANGED - The portable launcher now allows moving the portable "installation", to facilitate, set pref extensions.startupScanScopes to 5 (or 7 when using light weight themes)
Still only fixed in Betterbird 91, will ship in TB 102 in June/July 2022:
FIXED - New mail alert only shown for one account even when multiple accounts received new mail - Bug 1776580
FIXED - Saving the message source didn't work - Bug 1759911
FIXED - Display of symbol fonts (Webdings, Wingdings, etc.) didn't work - Bug 1756720 - Bug 1757897
FIXED - News folders which weren't open didn't receive unread message notification (highlight colour, yellow biff symbol) - Bug 1751160
FIXED - Ctrl+scroll wheel zoom did not work in message source window - Bug 1655244
FIXED - Issue with MS teams invitation in Google Calendar - Bug 1727061
FIXED - Saving a draft failed to delete temporary files under some circumstances - Bug 1751461
FIXED - Alerts in Activity Manager were missing timestamp - Bug 1717307
NEW - Re-established Enigmail's "decrypt to folder" - Bug 1693332
FIXED - Detached attachments weren't opened from original location but from temp instead (causing potential lost changes) - Bug 1761973
FIXED - Empty trash on exit not reliable, especially for flaky servers like Yahoo - Bug 1745205
FIXED - Issues with folder subscription on servers using OAuth2 (Yahoo, etc.) - Bug 1759883
FIXED - Couldn't drag link to new composition - Bug 1732903
FIXED - Couldn't drag image from message to new composition - Bug 1753331
FIXED - All day events allowed time entry - Bug 1744442
Features and fixes exclusive to Betterbird:
NEW - Multi-line view. View > Layout > Multi-line View On All Folders or per folder in the column picker
NEW - Header pane button customise restored - Bug 1556261
NEW - Search terms now allow for complex expressions by adding a group feature - Bug 297852
NEW - Quick Filter untagged messages - Bug 683809
FIXED - Global search in encrypted messages (needs to be enabled in preferences) - Bug 188988
NEW - Regular folder search and Quick Filter in encrypted messages - Bug 1562737
CHANGED - Windows systray tooltip now showing list folders with new messages - Bug 1721063
NEW - Context menu in a news message now includes "Open Message For ID" (message pane only, not in message in tab)
FIXED - New posts in ignored threads caused "phantom" unread messages. "Mark > Thread As Read" will fix corruption - Bug 799040
NEW - Preferences mail.addressDisplayAuthor and mail.addressDisplayRecipients (1 = name, 2 = e-mail, 3 = both) for message list display - Bug 697031
NEW - Showing file URL for detached attachments, correct size and strike-through for deleted files - Bug 1740956, Bug 1741093
NEW - Folder context menu now offers to set folder as startup folder (instead of last visited)
NEW - Add Recent menu to allow attaching recently used files (Windows only) - Bug 1560737
FIXED - Issues when dragging Windows shell link (.lnk) or folder to Write (compose) window - Bug 276869, Bug 524874
CHANGED - Activity manager opens in tab
FIXED - Attachments saved via double-click didn't get listed in the list of saved files (Ctrl+J) - Bug 1744709
FIXED - Copying NBSP replaced NBSP with regular space - Bug 359303
NEW - Ctrl+Shift+Space inserts NBSP now, also mostly fixes "automatic" unwanted NBSP replacement - Bug 532712
FIXED - Inserting links with spaces gave random erroneous results - Bug 1563452
FIXED - Repair Text Encoding didn't repair the subject - Bug 1739609
Not mentioned in the front page feature table:
NEW - Preference mail.openpgp.ignore_missing_mdc to allow display of attachments with missing MDC - Bug 1729221
NEW - Added preference mail.biff.show_for_server to optionally suppress biff notifications for server root folders.
FIXED - Subject change with "new subject (was: old subject)" didn't work - Bug 1680425
CHANGED - HTML-only messages will no longer be sent to plain text recipients - Bug 1727493, comment #31
FIXED - Feed reader didn't tolerate any XML errors; now it will try fetching the feed as HTML as a fallback - Bug 1746749
FIXED - Moving multiple IMAP folders didn't work - Bug 589008
FIXED - Copying an embedded image didn't work under certain circumstances - Bug 1760365
FIXED - .startup-incomplete not deleted from profile - Bug 1762043
FIXED - Status text sometimes displayed "null" - Bug 1766578
FIXED - Various problems when saving the compose window as file - Bug 1676825
FIXED - ... and a few more: Comma in detached file name (Bug 350825), Charset forward detection (Bug 1737245), Charset detection (Bug 1746695)

New in Betterbird 102.2.0-bb14 Beta (Aug 22, 2022)

New in Betterbird 102.0.3-bb11 Beta (Jul 19, 2022)

Based on Thunderbird 102.0.3, release notes.
Fixed in this version:
NEW - By popular demand, the multi-line view now also supports threading (already in 102.0)
CHANGED - Better styling for summary lines in "grouped by" multi-line views
Fixed in this version (not fixed in Thunderbird 102.0.2 yet):
FIXED - Some Error Console context menu items ("Copy all Messages" and "Save all Messages to File") not working Bug 1773879
FIXED - Date/time formatting in calendar did not follow "regional settings locale" - Bug 1758739
FIXED - Activity Manager didn't show downloaded messages (POP3) - Bug 1777892
FIXED - News display hung when article wasn't found - Bug 1778229
FIXED - Restore folder cache property retrieval to version 91 behaviour - Bug 1778888
FIXED - Folder cache not caching properly leading to long delays when showing recent folders (especially with "Quick Folder Move" add-on) - Bug 1776280
Features and fixes exclusive to Betterbird (in addition to those listed for the 91 version below):
NEW - Option to send message as HTML or plain text, depending on whether rich formatting is used
CHANGED - Unlike Thunderbird, Betterbird does not use a threaded view for new folders (preference mailnews.default_view_flags, 0 = normal, 1 = threaded)
FIXED - Some disturbing error console messages - Bug 1744944
FIXED - Spellcheck dictionaries not restored when editing draft - Bug 1775376
Note that Thunderbird 102 is still very much work-in-progress with many features destined for version 102 still incomplete and various bugs (different list here) not fixed in the current release version. Please make a backup of your profile before using this version.
Update 3rd July 2022: After Thunderbird has been shipping the highly defective first version 102.0 as a manual update (via the About box), various reports about folder corruption (including dataloss) have appeared on support forums. The particular bug is fixed in Betterbird 102.0.2. However, please keep this in mind when trying version 102.

New in Betterbird 102.02-bb10 Beta (Jul 11, 2022)

New in Betterbird 91.11.0-bb34 (Jun 25, 2022)

Fixed in this version:
FIXED - Complex search terms: Terms inserted after a group received an incorrect boolean operator - GitHub #60
FIXED - Complex search terms: Higher level groups didn't work under some circumstances - GitHub #62
FIXED - Complex search terms: Mitigation for invalid multi-level groups - GitHub #63
Features and fixes exclusive to Betterbird:
NEW - Multi-line view. View > Layout > Multi-line View On All Folders or per folder in the column picker
NEW - Header pane button customise restored - Bug 1556261
NEW - Search terms now allow for complex expressions by adding a group feature - Bug 297852
NEW - Quick Filter untagged messages - Bug 683809
FIXED - Global search in encrypted messages (needs to be enabled in preferences) - Bug 188988
NEW - Regular folder search and Quick Filter in encrypted messages - Bug 1562737
CHANGED - Windows systray tooltip now showing list folders with new messages - Bug 1721063
NEW - Context menu in a news message now includes "Open Message For ID" (message pane only, not in message in tab)
FIXED - New posts in ignored threads caused "phantom" unread messages. "Mark > Thread As Read" will fix corruption - Bug 799040
NEW - Preferences mail.addressDisplayAuthor and mail.addressDisplayRecipients (1 = name, 2 = e-mail, 3 = both) for message list display - Bug 697031
NEW - Showing file URL for detached attachments, correct size and strike-through for deleted files - Bug 1740956, Bug 1741093
NEW - Folder context menu now offers to set folder as startup folder (instead of last visited)
NEW - Add Recent menu to allow attaching recently used files (Windows only) - Bug 1560737
FIXED - Issues when dragging Windows shell link (.lnk) or folder to Write (compose) window - Bug 276869, Bug 524874
CHANGED - Activity manager opens in tab
FIXED - Attachments saved via double-click didn't get listed in the list of saved files (Ctrl+J) - Bug 1744709
FIXED - Copying NBSP replaced NBSP with regular space - Bug 359303
NEW - Ctrl+Shift+Space inserts NBSP now, also mostly fixes "automatic" unwanted NBSP replacement - Bug 532712
FIXED - Inserting links with spaces gave random erroneous results - Bug 1563452
FIXED - Repair Text Encoding didn't repair the subject - Bug 1739609
Not mentioned in the front page feature table:
NEW - Preference mail.openpgp.ignore_missing_mdc to allow display of attachments with missing MDC - Bug 1729221
NEW - Added preference mail.biff.show_for_server to optionally suppress biff notifications for server root folders.
FIXED - Subject change with "new subject (was: old subject)" didn't work - Bug 1680425
CHANGED - HTML-only messages will no longer be sent to plain text recipients - Bug 1727493, comment #31
FIXED - Feed reader didn't tolerate any XML errors; now it will try fetching the feed as HTML as a fallback - Bug 1746749
FIXED - Moving multiple IMAP folders didn't work - Bug 589008
FIXED - Copying an embedded image didn't work under certain circumstances - Bug 1760365
FIXED - .startup-incomplete not deleted from profile - Bug 1762043
FIXED - Status text sometimes displayed "null" - Bug 1766578
FIXED - Various problems when saving the compose window as file - Bug 1676825
FIXED - ... and a few more: Comma in detached file name (Bug 350825), Charset forward detection (Bug 1737245), Charset detection (Bug 1746695)

New in Betterbird 102.0b8-bb8 Beta (Jun 24, 2022)

New in Betterbird 102.0b7-bb6 Beta (Jun 18, 2022)

New in Betterbird 102.0b6-bb5 Beta (Jun 16, 2022)

New in Betterbird 102.0b4-bb3 Beta (Jun 9, 2022)

New in Betterbird 102.0b3-bb2 Beta (Jun 7, 2022)

New in Betterbird 102.0b2-bb1 Beta (Jun 7, 2022)

New in Betterbird 91.10.0-bb33 (Jun 7, 2022)

Fixed in this version:
FIXED - Small issue related to "match all messages" filters
Still only fixed in Betterbird 91, will ship in TB 102 in June/July 2022:
FIXED - Saving the message source didn't work - Bug 1759911
FIXED - File name wasn't populated with saving attachment via double-click - Bug 1755592
FIXED - Display of symbol fonts (Webdings, Wingdings, etc.) didn't work - Bug 1756720 - Bug 1757897
FIXED - News folders which weren't open didn't receive unread message notification (highlight colour, yellow biff symbol) - Bug 1751160
FIXED - Ctrl+scroll wheel zoom did not work in message source window - Bug 1655244
FIXED - Issue with MS teams invitation in Google Calendar - Bug 1727061
FIXED - Saving a draft failed to delete temporary files under some circumstances - Bug 1751461
FIXED - Alerts in Activity Manager were missing timestamp - Bug 1717307
NEW - Re-established Enigmail's "decrypt to folder" - Bug 1693332
FIXED - Detached attachments weren't opened from original location but from temp instead (causing potential lost changes) - Bug 1761973
FIXED - Empty trash on exit not reliable, especially for flaky servers like Yahoo - Bug 1745205
FIXED - Issues with folder subscription on servers using OAuth2 (Yahoo, etc.) - Bug 1759883
FIXED - Couldn't drag link to new composition - Bug 1732903
FIXED - Couldn't drag image from message to new composition - Bug 1753331
FIXED - All day events allowed time entry - Bug 1744442
Features and fixes exclusive to Betterbird:
NEW - Multi-line view. View > Layout > Multi-line View On All Folders or per folder in the column picker
NEW - Header pane button customise restored - Bug 1556261
NEW - Search terms now allow for complex expressions by adding a group feature - Bug 297852
NEW - Quick Filter untagged messages - Bug 683809
FIXED - Global search in encrypted messages (needs to be enabled in preferences) - Bug 188988
NEW - Regular folder search and Quick Filter in encrypted messages - Bug 1562737
CHANGED - Windows systray tooltip now showing list folders with new messages - Bug 1721063
NEW - Context menu in a news message now includes "Open Message For ID" (message pane only, not in message in tab)
FIXED - New posts in ignored threads caused "phantom" unread messages. "Mark > Thread As Read" will fix corruption - Bug 799040
NEW - Preferences mail.addressDisplayAuthor and mail.addressDisplayRecipients (1 = name, 2 = e-mail, 3 = both) for message list display - Bug 697031
NEW - Showing file URL for detached attachments, correct size and strike-through for deleted files - Bug 1740956, Bug 1741093
NEW - Folder context menu now offers to set folder as startup folder (instead of last visited)
NEW - Add Recent menu to allow attaching recently used files (Windows only) - Bug 1560737
FIXED - Issues when dragging Windows shell link (.lnk) or folder to Write (compose) window - Bug 276869, Bug 524874
CHANGED - Activity manager opens in tab
FIXED - Attachments saved via double-click didn't get listed in the list of saved files (Ctrl+J) - Bug 1744709
FIXED - Copying NBSP replaced NBSP with regular space - Bug 359303
NEW - Ctrl+Shift+Space inserts NBSP now, also mostly fixes "automatic" unwanted NBSP replacement - Bug 532712
FIXED - Inserting links with spaces gave random erroneous results - Bug 1563452
FIXED - Repair Text Encoding didn't repair the subject - Bug 1739609
Not mentioned in the front page feature table:
NEW - Preference mail.openpgp.ignore_missing_mdc to allow display of attachments with missing MDC - Bug 1729221
NEW - Added preference mail.biff.show_for_server to optionally suppress biff notifications for server root folders.
FIXED - Subject change with "new subject (was: old subject)" didn't work - Bug 1680425
CHANGED - HTML-only messages will no longer be sent to plain text recipients - Bug 1727493, comment #31
FIXED - Feed reader didn't tolerate any XML errors; now it will try fetching the feed as HTML as a fallback - Bug 1746749
FIXED - Moving multiple IMAP folders didn't work - Bug 589008
FIXED - Copying an embedded image didn't work under certain circumstances - Bug 1760365
FIXED - .startup-incomplete not deleted from profile - Bug 1762043
FIXED - Status text sometimes displayed "null" - Bug 1766578
FIXED - Various problems when saving the compose window as file - Bug 1676825
FIXED - ... and a few more: Comma in detached file name (Bug 350825), Charset forward detection (Bug 1737245), Charset detection (Bug 1746695)

New in Betterbird 91.9.1-bb33 (Jun 2, 2022)

Fixed in this version:
FIXED - Small issue related to "match all" filters
Still only fixed in Betterbird 91, will ship in TB 102 in June/July 2022:
FIXED - Saving the message source didn't work - Bug 1759911
FIXED - File name wasn't populated with saving attachment via double-click - Bug 1755592
FIXED - Display of symbol fonts (Webdings, Wingdings, etc.) didn't work - Bug 1756720 - Bug 1757897
FIXED - News folders which weren't open didn't receive unread message notification (highlight colour, yellow biff symbol) - Bug 1751160
FIXED - Ctrl+scroll wheel zoom did not work in message source window - Bug 1655244
FIXED - Issue with MS teams invitation in Google Calendar - Bug 1727061
FIXED - Saving a draft failed to delete temporary files under some circumstances - Bug 1751461
FIXED - Alerts in Activity Manager were missing timestamp - Bug 1717307
NEW - Re-established Enigmail's "decrypt to folder" - Bug 1693332
FIXED - Detached attachments weren't opened from original location but from temp instead (causing potential lost changes) - Bug 1761973
FIXED - Empty trash on exit not reliable, especially for flaky servers like Yahoo - Bug 1745205
FIXED - Issues with folder subscription on servers using OAuth2 (Yahoo, etc.) - Bug 1759883
FIXED - Couldn't drag link to new composition - Bug 1732903
FIXED - Couldn't drag image from message to new composition - Bug 1753331
FIXED - All day events allowed time entry - Bug 1744442
Features and fixes exclusive to Betterbird:
NEW - Multi-line view. View > Layout > Multi-line View On All Folders or per folder in the column picker
NEW - Header pane button customise restored - Bug 1556261
NEW - Search terms now allow for complex expressions by adding a group feature - Bug 297852
NEW - Quick Filter untagged messages - Bug 683809
FIXED - Global search in encrypted messages (needs to be enabled in preferences) - Bug 188988
NEW - Regular folder search and Quick Filter in encrypted messages - Bug 1562737
CHANGED - Windows systray tooltip now showing list folders with new messages - Bug 1721063
NEW - Context menu in a news message now includes "Open Message For ID" (message pane only, not in message in tab)
FIXED - New posts in ignored threads caused "phantom" unread messages. "Mark > Thread As Read" will fix corruption - Bug 799040
NEW - Preferences mail.addressDisplayAuthor and mail.addressDisplayRecipients (1 = name, 2 = e-mail, 3 = both) for message list display - Bug 697031
NEW - Showing file URL for detached attachments, correct size and strike-through for deleted files - Bug 1740956, Bug 1741093
NEW - Folder context menu now offers to set folder as startup folder (instead of last visited)
NEW - Add Recent menu to allow attaching recently used files (Windows only) - Bug 1560737
FIXED - Issues when dragging Windows shell link (.lnk) or folder to Write (compose) window - Bug 276869, Bug 524874
CHANGED - Activity manager opens in tab
FIXED - Attachments saved via double-click didn't get listed in the list of saved files (Ctrl+J) - Bug 1744709
FIXED - Copying NBSP replaced NBSP with regular space - Bug 359303
NEW - Ctrl+Shift+Space inserts NBSP now, also mostly fixes "automatic" unwanted NBSP replacement - Bug 532712
FIXED - Inserting links with spaces gave random erroneous results - Bug 1563452
FIXED - Repair Text Encoding didn't repair the subject - Bug 1739609
Not mentioned in the front page feature table:
NEW - Preference mail.openpgp.ignore_missing_mdc to allow display of attachments with missing MDC - Bug 1729221
NEW - Added preference mail.biff.show_for_server to optionally suppress biff notifications for server root folders.
FIXED - Subject change with "new subject (was: old subject)" didn't work - Bug 1680425
CHANGED - HTML-only messages will no longer be sent to plain text recipients - Bug 1727493, comment #31
FIXED - Feed reader didn't tolerate any XML errors; now it will try fetching the feed as HTML as a fallback - Bug 1746749
FIXED - Moving multiple IMAP folders didn't work - Bug 589008
FIXED - Copying an embedded image didn't work under certain circumstances - Bug 1760365
FIXED - .startup-incomplete not deleted from profile - Bug 1762043
FIXED - Status text sometimes displayed "null" - Bug 1766578
FIXED - Various problems when saving the compose window as file - Bug 1676825
FIXED - ... and a few more: Comma in detached file name (Bug 350825), Charset forward detection (Bug 1737245), Charset detection (Bug 1746695)

New in Betterbird 91.9.1-bb32 (May 31, 2022)

Based on Thunderbird 91.9.1
Fixed in this version:
FIXED - Various issues when using groups in complex search terms
FIXED - Lost threading when switching from a folder that had a multi-line view enabled
CHANGED - Portable version now ships as ZIP archive instead of self-extracting 7Zip archive
Fixed in this version (not fixed in Thunderbird):
FIXED - Various problems when saving the compose window as file - Bug 1676825
FIXED - Issues with folder subscription on servers using OAuth2 (Yahoo, etc.) - Bug 1759883
Still only fixed in Betterbird 91, will ship in TB 102 in June/July 2022:
FIXED - Saving the message source didn't work - Bug 1759911
FIXED - File name wasn't populated with saving attachment via double-click - Bug 1755592
FIXED - Display of symbol fonts (Webdings, Wingdings, etc.) didn't work - Bug 1756720 - Bug 1757897
FIXED - News folders which weren't open didn't receive unread message notification (highlight colour, yellow biff symbol) - Bug 1751160
FIXED - Ctrl+scroll wheel zoom did not work in message source window - Bug 1655244
FIXED - Issue with MS teams invitation in Google Calendar - Bug 1727061
FIXED - Saving a draft failed to delete temporary files under some circumstances - Bug 1751461
FIXED - Alerts in Activity Manager were missing timestamp - Bug 1717307
NEW - Re-established Enigmail's "decrypt to folder" - Bug 1693332
FIXED - Detached attachments weren't opened from original location but from temp instead (causing potential lost changes) - Bug 1761973
FIXED - Spacing and font size of "Insert Character/Symbol" menus in message compose window - Bug 1766404
FIXED - Empty trash on exit not reliable, especially for flaky servers like Yahoo - Bug 1745205
Features and fixes exclusive to Betterbird:
NEW - Multi-line view. View > Layout > Multi-line View On All Folders or per folder in the column picker
NEW - Header pane button customise restored - Bug 1556261
NEW - Search terms now allow for complex expressions by adding a group feature - Bug 297852
NEW - Quick Filter untagged messages - Bug 683809
FIXED - Global search in encrypted messages (needs to be enabled in preferences) - Bug 188988
NEW - Regular folder search and Quick Filter in encrypted messages - Bug 1562737
CHANGED - Windows systray tooltip now showing list folders with new messages - Bug 1721063
NEW - Context menu in a news message now includes "Open Message For ID" (message pane only, not in message in tab)
FIXED - New posts in ignored threads caused "phantom" unread messages. "Mark > Thread As Read" will fix corruption - Bug 799040
NEW - Preferences mail.addressDisplayAuthor and mail.addressDisplayRecipients (1 = name, 2 = e-mail, 3 = both) for message list display - Bug 697031
NEW - Showing file URL for detached attachments, correct size and strike-through for deleted files - Bug 1740956, Bug 1741093
NEW - Folder context menu now offers to set folder as startup folder (instead of last visited)
NEW - Add Recent menu to allow attaching recently used files (Windows only) - Bug 1560737
FIXED - Issues when dragging Windows shell link (.lnk) or folder to Write (compose) window - Bug 276869, Bug 524874
CHANGED - Activity manager opens in tab
FIXED - Attachments saved via double-click didn't get listed in the list of saved files (Ctrl+J) - Bug 1744709
FIXED - Copying NBSP replaced NBSP with regular space - Bug 359303
NEW - Ctrl+Shift+Space inserts NBSP now, also mostly fixes "automatic" unwanted NBSP replacement - Bug 532712
FIXED - Inserting links with spaces gave random erroneous results - Bug 1563452
FIXED - Repair Text Encoding didn't repair the subject - Bug 1739609
Not mentioned in the front page feature table:
NEW - Preference mail.openpgp.ignore_missing_mdc to allow display of attachments with missing MDC - Bug 1729221
NEW - Added preference mail.biff.show_for_server to optionally suppress biff notifications for server root folders.
FIXED - Subject change with "new subject (was: old subject)" didn't work - Bug 1680425
FIXED - All day events allowed time entry - Bug 1744442
CHANGED - HTML-only messages will no longer be sent to plain text recipients - Bug 1727493, comment #31
FIXED - Feed reader didn't tolerate any XML errors; now it will try fetching the feed as HTML as a fallback - Bug 1746749
FIXED - Couldn't drag link to new composition - Bug 1732903
FIXED - Couldn't drag image from message to new composition - Bug 1753331
FIXED - Moving multiple IMAP folders didn't work - Bug 589008
FIXED - Copying an embedded image didn't work under certain circumstances - Bug 1760365
FIXED - .startup-incomplete not deleted from profile - Bug 1762043
FIXED - Status text sometimes displayed "null" - Bug 1766578
FIXED - ... and a few more: Comma in detached file name (Bug 350825), Charset forward detection (Bug 1737245), Charset detection (Bug 1746695)

New in Betterbird 91.9.0-bb32 (May 21, 2022)

New in Betterbird 91.9.0-bb31 (May 1, 2022)

Based on Thunderbird 91.9.0, release notes, advancing some fixes that Thunderbird isn't shipping yet.
Fixed in this version:
FIXED - Default buttons too bright on Linux with dark system theme - GitHub Issue #50
FIXED - External attachments in news feeds couldn't be opened - Backport error of Bug 1761973
NEW - Added en-dash (U+2013) to "Insert Character/Symbol" menu
Fixed in this version (not fixed in Thunderbird):
NEW - Search terms now allow for complex expressions by adding a group feature - Bug 297852
FIXED - Spacing and font size of "Insert Character/Symbol" menus in message compose window - Bug 1766404
FIXED - Status text sometimes displayed "null" - Bug 1766578
Still only fixed in Betterbird 91, will ship in TB 102 in June/July 2022:
FIXED - Saving the message source didn't work - Bug 1759911
FIXED - File name wasn't populated with saving attachment via double-click - Bug 1755592
FIXED - Display of symbol fonts (Webdings, Wingdings, etc.) didn't work - Bug 1756720 - Bug 1757897
FIXED - News folders which weren't open didn't receive unread message notification (highlight colour, yellow biff symbol) - Bug 1751160
FIXED - Ctrl+scroll wheel zoom did not work in message source window - Bug 1655244
FIXED - Issue with MS teams invitation in Google Calendar - Bug 1727061
FIXED - Saving a draft failed to delete temporary files under some circumstances - Bug 1751461
FIXED - Alerts in Activity Manager were missing timestamp - Bug 1717307
NEW - Re-established Enigmail's "decrypt to folder" - Bug 1693332
FIXED - Detached attachments weren't opened from original location but from temp instead (causing potential lost changes) - Bug 1761973
Features and fixes exclusive to Betterbird:
NEW - Multi-line view. View > Layout > Multi-line View On All Folders or per folder in the column picker
NEW - Header pane button customise restored - Bug 1556261
NEW - Quick Filter untagged messages - Bug 683809
FIXED - Global search in encrypted messages (needs to be enabled in preferences) - Bug 188988
NEW - Regular folder search and Quick Filter in encrypted messages - Bug 1562737
CHANGED - Windows systray tooltip now showing list folders with new messages - Bug 1721063
NEW - Context menu in a news message now includes "Open Message For ID" (message pane only, not in message in tab)
FIXED - New posts in ignored threads caused "phantom" unread messages. "Mark > Thread As Read" will fix corruption - Bug 799040
NEW - Preferences mail.addressDisplayAuthor and mail.addressDisplayRecipients (1 = name, 2 = e-mail, 3 = both) for message list display - Bug 697031
NEW - Showing file URL for detached attachments, correct size and strike-through for deleted files - Bug 1740956, Bug 1741093
NEW - Folder context menu now offers to set folder as startup folder (instead of last visited)
NEW - Add Recent menu to allow attaching recently used files (Windows only) - Bug 1560737
FIXED - Issues when dragging Windows shell link (.lnk) or folder to Write (compose) window - Bug 276869, Bug 524874
CHANGED - Activity manager opens in tab
FIXED - Attachments saved via double-click didn't get listed in the list of saved files (Ctrl+J) - Bug 1744709
FIXED - Copying NBSP replaced NBSP with regular space - Bug 359303
NEW - Ctrl+Shift+Space inserts NBSP now, also mostly fixes "automatic" unwanted NBSP replacement - Bug 532712
FIXED - Inserting links with spaces gave random erroneous results - Bug 1563452
FIXED - Repair Text Encoding didn't repair the subject - Bug 1739609
Not mentioned in the front page feature table:
NEW - Preference mail.openpgp.ignore_missing_mdc to allow display of attachments with missing MDC - Bug 1729221
NEW - Added preference mail.biff.show_for_server to optionally suppress biff notifications for server root folders.
FIXED - Subject change with "new subject (was: old subject)" didn't work - Bug 1680425
FIXED - All day events allowed time entry - Bug 1744442
CHANGED - HTML-only messages will no longer be sent to plain text recipients - Bug 1727493, comment #31
FIXED - Feed reader didn't tolerate any XML errors; now it will try fetching the feed as HTML as a fallback - Bug 1746749
FIXED - Couldn't drag link to new composition - Bug 1732903
FIXED - Couldn't drag image from message to new composition - Bug 1753331
FIXED - Moving multiple IMAP folders didn't work - Bug 589008
FIXED - Copying an embedded image didn't work under certain circumstances - Bug 1760365
FIXED - .startup-incomplete not deleted from profile - Bug 1762043
FIXED - Empty trash on exit not reliable, especially for flaky servers like Yahoo - Bug 1745205
FIXED - ... and a few more: Comma in detached file name (Bug 350825), Charset forward detection (Bug 1737245), Charset detection

New in Betterbird 91.8.1-bb30 (Apr 18, 2022)

Based on Thunderbird 91.8.1, release notes, advancing some fixes that Thunderbird isn't shipping yet.
Fixed in this version (not fixed in Thunderbird):
FIXED - Empty trash on exit not reliable, especially for flaky servers like Yahoo - Bug 1745205
FIXED - Detached attachments weren't opened from original location but from temp instead (causing potential lost changes) - Bug 1761973
FIXED - Fixed some hard-coded brand names (showing Thunderbird instead of Betterbird) - Bug 1764806
Still only fixed in Betterbird 91, will ship in TB 102 in June/July 2022:
FIXED - Saving the message source didn't work - Bug 1759911
FIXED - File name wasn't populated with saving attachment via double-click - Bug 1755592
FIXED - Display of symbol fonts (Webdings, Wingdings, etc.) didn't work - Bug 1756720 - Bug 1757897
FIXED - News folders which weren't open didn't receive unread message notification (highlight colour, yellow biff symbol) - Bug 1751160
FIXED - Ctrl+scroll wheel zoom did not work in message source window - Bug 1655244
FIXED - Issue with MS teams invitation in Google Calendar - Bug 1727061
FIXED - Saving a draft failed to delete temporary files under some circumstances - Bug 1751461
FIXED - Alerts in Activity Manager were missing timestamp - Bug 1717307
NEW - Re-established Enigmail's "decrypt to folder" - Bug 1693332
Features and fixes exclusive to Betterbird:
NEW - Multi-line view. View > Layout > Multi-line View On All Folders or per folder in the column picker
NEW - Header pane button customise restored - Bug 1556261
NEW - Quick Filter untagged messages - Bug 683809
FIXED - Global search in encrypted messages (needs to be enabled in preferences) - Bug 188988
NEW - Regular folder search and Quick Filter in encrypted messages - Bug 1562737
CHANGED - Windows systray tooltip now showing list folders with new messages - Bug 1721063
NEW - Context menu in a news message now includes "Open Message For ID" (message pane only, not in message in tab)
FIXED - New posts in ignored threads caused "phantom" unread messages. "Mark > Thread As Read" will fix corruption - Bug 799040
NEW - Preferences mail.addressDisplayAuthor and mail.addressDisplayRecipients (1 = name, 2 = e-mail, 3 = both) for message list display - Bug 697031
NEW - Showing file URL for detached attachments, correct size and strike-through for deleted files - Bug 1740956, Bug 1741093
NEW - Folder context menu now offers to set folder as startup folder (instead of last visited)
NEW - Add Recent menu to allow attaching recently used files (Windows only) - Bug 1560737
FIXED - Issues when dragging Windows shell link (.lnk) or folder to Write (compose) window - Bug 276869, Bug 524874
CHANGED - Activity manager opens in tab
FIXED - Attachments saved via double-click didn't get listed in the list of saved files (Ctrl+J) - Bug 1744709
FIXED - Copying NBSP replaced NBSP with regular space - Bug 359303
NEW - Ctrl+Shift+Space inserts NBSP now, also mostly fixes "automatic" unwanted NBSP replacement - Bug 532712
FIXED - Inserting links with spaces gave random erroneous results - Bug 1563452
FIXED - Repair Text Encoding didn't repair the subject - Bug 1739609

New in Betterbird 91.7-0-bb29 (Apr 3, 2022)

Fixed in this version (not fixed in Thunderbird):
FIXED - Copying NBSP replaced NBSP with regular space - Bug 359303
NEW - Ctrl+Shift+Space inserts NBSP now, also mostly fixes "automatic" unwanted NBSP replacement - Bug 532712
FIXED - Saving the message source didn't work - Bug 1759911
FIXED - Copying an embedded image didn't work under certain circumstances - Bug 1760365
FIXED - .startup-incomplete not deleted from profile - Bug 1762043
Still only fixed in Betterbird 91, will ship in TB 102 in June/July 2022:
FIXED - File name wasn't populated with saving attachment via double-click - Bug 1755592
FIXED - Display of symbol fonts (Webdings, Wingdings, etc.) didn't work - Bug 1756720 - Bug 1757897
FIXED - News folders which weren't open didn't receive unread message notification (highlight colour, yellow biff symbol) - Bug 1751160
FIXED - Ctrl+scroll wheel zoom did not work in message source window - Bug 1655244
FIXED - Issue with MS teams invitation in Google Calendar - Bug 1727061
FIXED - Saving a draft failed to delete temporary files under some circumstances - Bug 1751461
FIXED - Failures when posting to newsgroup sometimes showed SMTP error - Bug 1751466, comment #5
FIXED - Alerts in Activity Manager were missing timestamp - Bug 1717307
NEW - Re-established Enigmail's "decrypt to folder" - Bug 1693332
Features and fixes exclusive to Betterbird:
NEW - Multi-line view. View > Layout > Multi-line View On All Folders or per folder in the column picker
NEW - Header pane button customise restored - Bug 1556261
NEW - Quick Filter untagged messages - Bug 683809
FIXED - Global search in encrypted messages (needs to be enabled in preferences) - Bug 188988
NEW - Regular folder search and Quick Filter in encrypted messages - Bug 1562737
CHANGED - Windows systray tooltip now showing list folders with new messages - Bug 1721063
NEW - Context menu in a news message now includes "Open Message For ID" (message pane only, not in message in tab)
FIXED - New posts in ignored threads caused "phantom" unread messages. "Mark > Thread As Read" will fix corruption - Bug 799040
NEW - Preferences mail.addressDisplayAuthor and mail.addressDisplayRecipients (1 = name, 2 = e-mail, 3 = both) for message list display - Bug 697031
NEW - Showing file URL for detached attachments, correct size and strike-through for deleted files - Bug 1740956, Bug 1741093
NEW - Folder context menu now offers to set folder as startup folder (instead of last visited)
NEW - Add Recent menu to allow attaching recently used files (Windows only) - Bug 1560737
FIXED - Issues when dragging Windows shell link (.lnk) or folder to Write (compose) window - Bug 276869, Bug 524874
CHANGED - Activity manager opens in tab
FIXED - Attachments saved via double-click didn't get listed in the list of saved files (Ctrl+J) - Bug 1744709
FIXED - Inserting links with spaces gave random erroneous results - Bug 1563452
FIXED - Repair Text Encoding didn't repair the subject - Bug 1739609
Not mentioned in the front page feature table:
NEW - Preference mail.openpgp.ignore_missing_mdc to allow display of attachments with missing MDC - Bug 1729221
NEW - Added preference mail.biff.show_for_server to optionally suppress biff notifications for server root folders.
FIXED - Subject change with "new subject (was: old subject)" didn't work - Bug 1680425
FIXED - All day events allowed time entry - Bug 1744442
CHANGED - HTML-only messages will no longer be sent to plain text recipients - Bug 1727493, comment #31
FIXED - Feed reader didn't tolerate any XML errors; now it will try fetching the feed as HTML as a fallback - Bug 1746749
FIXED - Couldn't drag link to new composition - Bug 1732903
FIXED - Couldn't drag image from message to new composition - Bug 1753331
FIXED - Moving multiple IMAP folders didn't work - Bug 589008
FIXED - ... and a few more: Comma in detached file name (Bug 350825), Charset forward detection (Bug 1737245), Charset detection (Bug 1746695)

Betterbird Changelog

What's new in Betterbird 115.10.0-bb27

New in Betterbird 115.9.0-bb26 (Mar 20, 2024)

New in Betterbird 115.8.1-bb25 (Mar 5, 2024)

New in Betterbird 115.8.0-bb24 (Feb 22, 2024)

New in Betterbird 115.7.0-bb23 (Jan 23, 2024)

New in Betterbird 115.6.1-bb22 (Jan 8, 2024)

New in Betterbird 115.6.0-bb21 (Dec 19, 2023)

New in Betterbird 115.5.2-bb20 (Dec 12, 2023)

New in Betterbird 115.5.1-bb19 (Nov 27, 2023)

New in Betterbird 115.4.2-bb17 Preview (Nov 7, 2023)

New in Betterbird 115.4.0-bb16 Preview (Oct 24, 2023)

New in Betterbird 115.3.2-bb15 (Oct 10, 2023)

New in Betterbird 115.3.1-bb14 (Oct 3, 2023)

New in Betterbird 115.3.0-bb14 (Oct 1, 2023)

New in Betterbird 115.3.0-bb13 Preview (Sep 27, 2023)

New in Betterbird 115.2.3-bb12 Preview (Sep 19, 2023)

New in Betterbird 102.15.1-bb41 (Sep 14, 2023)

New in Betterbird 115.2.1-bb11 Preview (Sep 12, 2023)

New in Betterbird 102.15.0-bb40 (Aug 30, 2023)

New in Betterbird 115.1.0-bb8 Preview (Aug 1, 2023)

New in Betterbird 102.14.0-bb39 (Aug 1, 2023)

New in Betterbird 115.0.1-bb7 Preview (Jul 20, 2023)

New in Betterbird 102.13.0-bb38 (Jul 5, 2023)

New in Betterbird 115.0b6-bb5 Preview (Jun 28, 2023)

New in Betterbird 115.0b5-bb4 Preview (Jun 27, 2023)

New in Betterbird 102.12.0-bb37 (Jun 7, 2023)

New in Betterbird 102.11.1-bb36 (May 25, 2023)

New in Betterbird 102.11.0-bb35 (May 9, 2023)

New in Betterbird 102.10.1-bb34 (Apr 24, 2023)

New in Betterbird 102.10.0-bb33 (Apr 10, 2023)

New in Betterbird 102.9.0-bb32 (Mar 29, 2023)

New in Betterbird 102.9.0-bb31 (Mar 15, 2023)

New in Betterbird 102.8.0-bb30 (Mar 12, 2023)

New in Betterbird 102.7.1-bb29 (Jan 31, 2023)

New in Betterbird 102.7.1-bb29 Preview (Jan 24, 2023)

New in Betterbird 102.7.0-bb28 (Jan 17, 2023)

New in Betterbird 102.6.1-bb28 (Jan 16, 2023)

New in Betterbird 102.6.1-bb27 (Dec 21, 2022)

New in Betterbird 102.6.0-bb26 (Dec 14, 2022)

New in Betterbird 102.5.0-bb24 (Nov 15, 2022)

New in Betterbird 102.4.1-bb23 Beta (Nov 4, 2022)

New in Betterbird 102.4.1-bb22 Beta (Oct 27, 2022)

New in Betterbird 102.3.3-bb20 Beta (Oct 11, 2022)

New in Betterbird 102.3.2-bb19 Beta (Oct 6, 2022)

New in Betterbird 102.3.1-bb18 Beta (Sep 29, 2022)

New in Betterbird 102.3.0-bb17 Beta (Sep 17, 2022)

New in Betterbird 91.13.1-bb37 (Sep 13, 2022)

New in Betterbird 91.12.0-bb35 (Aug 22, 2022)

New in Betterbird 102.2.0-bb14 Beta (Aug 22, 2022)

New in Betterbird 102.0.3-bb11 Beta (Jul 19, 2022)

New in Betterbird 102.02-bb10 Beta (Jul 11, 2022)

New in Betterbird 91.11.0-bb34 (Jun 25, 2022)

New in Betterbird 102.0b8-bb8 Beta (Jun 24, 2022)

New in Betterbird 102.0b7-bb6 Beta (Jun 18, 2022)

New in Betterbird 102.0b6-bb5 Beta (Jun 16, 2022)

New in Betterbird 102.0b4-bb3 Beta (Jun 9, 2022)

New in Betterbird 102.0b3-bb2 Beta (Jun 7, 2022)

New in Betterbird 102.0b2-bb1 Beta (Jun 7, 2022)

New in Betterbird 91.10.0-bb33 (Jun 7, 2022)

New in Betterbird 91.9.1-bb33 (Jun 2, 2022)

New in Betterbird 91.9.1-bb32 (May 31, 2022)

New in Betterbird 91.9.0-bb32 (May 21, 2022)

New in Betterbird 91.9.0-bb31 (May 1, 2022)

New in Betterbird 91.8.1-bb30 (Apr 18, 2022)

New in Betterbird 91.7-0-bb29 (Apr 3, 2022)

New in Betterbird 91.7-0-bb28 (Mar 16, 2022)