| Version | Change log |
| Betterbird 140.5.0esr-b Nov 8, 2025 |
Fixed in this version: NEW - Preference mail.imap.allow_unsubscribe_noselect allows unsubscribing from NOSELECT IMAP folders. This is useful for Protom Mail Bridge users who with to remove unneeded folders Labels and Folders from the folder pane. - GitHub #497 CHANGED - The "Recent Destinations" folder list shows folders again into which messages were recently moved. The Filter Editor still uses recently used folders. FIXED - Placement of Betterbird-native new mail alert on wrong monitor. Preference mail.notification.show_on_app_screen not working correctly in some cases. FIXED - Reinstated preference mail.folderpane.sumSubfolders - Bug 1852171 FIXED - Calendar scroll issue - Bug 1976182 Features and fixes exclusive to Betterbird (new in the 140 series): CHANGED - The tooltip of the folder name in the message list header and the folder pane now shows the full folder path (140.4.0) - Bug 382977 CHANGED - File name sanitation has been unified for all platforms: /:*? are replaced with underscore, " and < > are also replaced. (140.4.0) FIXED - "Open Link in Browser" in the compose window caused an unnecessary prompt. For non-http(s) URLs, preference mail.external_protocol_requires_permission is now honoured. (140.4.0) FIXED - Issue in WebExtension API setQuickFilter() leading to incompatibility with add-on "quickfilter-kbd" (140.4.0) FIXED - Issue when detaching attachment (140.4.0) - GitHub #489 NEW - Mark button on the unified toolbar now has the junk options also present on the context menu in the message list (140.3.1) CHANGED - Catch-all processing now also applied to forwarding of a message (inline or one message as attachment) and to "reply to self" (140.3.1) CHANGED - The recent folder list now shows most recently used (visited or modified) folders (MRU), not most recently modified folders (MRM) (140.3.1) FIXED - Mitigate random flashing of Betterbird-native new mail alert in top left corner of screen. If you ha |
| Betterbird 140.4.0esr-b Oct 12, 2025 |
Fixed in this version: CHANGED - The tooltip of the folder name in the message list header and the folder pane now shows the full folder path - Bug 382977 CHANGED - File name sanitation has been unified for all platforms: /:*? are replaced with underscore, "and < > are also replaced. FIXED - "Open Link in Browser" in the compose window caused an unnecessary prompt. For non-http(s) URLs, preference mail.external_protocol_requires_permission is now honoured. (For Windows and Linux only, will ship for Mac in the next release.) FIXED - Issue in WebExtension API setQuickFilter() leading to incompatibility with add-on "quickfilter-kbd" FIXED - Issue when detaching attachment - GitHub #489 FIXED - Placement of Betterbird-native new mail alert on wrong monitor |
| Betterbird 128.12.0esr- Jun 30, 2025 |
Fixed in this version: For details in the following feed reader improvements, also note this section. NEW - Support JSON feeds - Bug 1678721 NEW - Optionally store updated articles for Atom and JSON feeds - Bug 270275 Bug 1871741 Bug 1939390 NEW - Optionally store of the feed article web page with the message, preference rss.show.feed-webpage-archive controls the display: 0: archive not used, 1 (default): archive used when offline or no network, 2: archive always used - Bug 308436 NEW - Horizontal view for users with vertical screen setup - Bug 1964119 NEW - Header pane button to easily show message headers, configurable via preference mail.messageEditor.showCustomHeaders. See this paragraph for details. NEW - Allow filters to run on non-inbox IMAP folders that receive new messages on the server - Bug 294632 CHANGED - The Spanish localisation now uses the es-ES locale FIXED - Binaries weren't signed with a time stamp which led to problems in Windows 11. Refer to this section for details. FIXED - Getting Involved link in About box not working FIXED - Spellcheck no longer highlighted the misspelled word in the compose window - Bug 1971121 FIXED - Link underlying with preference layout.css.always_underline_links not working - Bug 1970689 FIXED - Messages moved from POP Inbox via filter remain in Inbox and reappear after Repair. Compact not always removes them. (New fix in 140 series) - Bug 1890253 FIXED - Folders which were manually sorted/reordered in BB 128 will maintain the order in BB 140 Various minor fixes that Thunderbird isn't shipping yet: Bug 617287 Bug 1947026 Bug 1962868 Bug 1968820 Bug 1971542 Bug 1971603 Bug 1973294 Note that we're just starting to gain experience with the new 140 series, so please do not use this version in production yet. |
| Betterbird 128.11.1esr- Jun 9, 2025 |
Based on Thunderbird 128.11.1esr. Fixed in this version: FIXED: Thunderbird had to adjust their UNC processing once again, this only affects Windows users |
| Betterbird 128.11.0esr- May 27, 2025 | FIXED: Windows: Access to local folders via UNC paths (already shipped in 128.10.1-bb27 "latest build") |
| Betterbird 128.10.1esr- May 14, 2025 |
Fixed in this version: CHANGED - Improved feedback during Quick Folder Search: First search hits are shown immediately in message list FIXED - One tab was shown after restart although the option to auto hide the tab bar was selected FIXED - Blank thread pane after "Repair folder" (broken since 128.6.0) |
| Betterbird 128.11.0esr- May 14, 2025 |
Fixed in this version: CHANGED - Improved feedback during Quick Folder Search: First search hits are shown immediately in message list FIXED - One tab was shown after restart although the option to auto hide the tab bar was selected FIXED - Blank thread pane after "Repair folder" (broken since 128.6.0) |
| Betterbird 128.9.0esr-b Apr 2, 2025 |
Fixed in this version: NEW - Support for Expires: header in search, see draft RFC, GitHub #416 FIXED - Problem with scrolling at startup in large folders sorted by date ascending - Bug 1917465 Features and fixes exclusive to Betterbird (new in the 128 series): CHANGED - No longer displays "No message found" as this adds no value (128.8.0) FIXED - Incorrect weekday display with preference mail.ui.display.dateformat.thisweek = 4 in some cases (128.8.0) - Bug 1796042 FIXED - Incorrect auto-complete display with preference mail.autoComplete.commentColumn = 1 (128.8.0) - Bug 1948134 NEW - Search for more languages... now enabled to open Betterbird's download page and install language packs with a single click (128.7.0) CHANGED - Saving messages via drag&drop and the menu will result in the same filenames now, they contain date and time at the end (128.7.0) - Bug 971085 FIXED - Status feedback returned to pre-128.6.1 state to avoid display lag and fix status on "Search Messages" panel (128.7.0) - Bug 1945489 FIXED - Issue with sending using the OWL add-on after integration of Thunderbird's faulty fix for Bug 1900211 (128.7.0) - GitHub #404 FIXED - New and renamed folders didn't show as recent when add-on Quick Folder Move Classic was used (128.6.1) FIXED - Folder counts are doubled-up when IMAP folder is repaired (128.6.1) - Bug 1939698 FIXED - HTML text string not updated while colour is chosen for text in compose/Write window (128.6.1) - Bug 1942381 FIXED - Add-on blocking by version number didn't work, "Cardbook" below version 98.2 is blocked again (128.6.1) CHANGED - Set preference mail.html_sanitize.drop_conditional_css to false to ensure correct rendering of conditional CSS (128.6.0) - Bug 1659362 FIXED - Some threading issues in virtual cross-folder views (128.6.0) (now in TB 128.7.1) - Bug 1939725 FIXED - Content of virtual folder not correct after update to base folders. Issue in caching of search results in conflicting Mork scope. ( |
| Betterbird 128.8.0esr-b Mar 3, 2025 |
Fixed in this version: CHANGED - No longer displays "No message found" as this adds no value FIXED - Incorrect weekday display with preference mail.ui.display.dateformat.thisweek = 4 in some cases - Bug 1796042 FIXED - Incorrect auto-complete display with preference mail.autoComplete.commentColumn = 1 - Bug 1948134 Features and fixes exclusive to Betterbird (new in the 128 series): NEW - Search for more languages... now enabled to open Betterbird's download page and install language packs with a single click (128.7.0) CHANGED - Saving messages via drag&drop and the menu will result in the same filenames now, they contain date and time at the end (128.7.0) - Bug 971085 FIXED - Status feedback returned to pre-128.6.1 state to avoid display lag and fix status on "Search Messages" panel (128.7.0) - Bug 1945489 FIXED - Issue with sending using the OWL add-on after integration of Thunderbird's faulty fix for Bug 1900211 (128.7.0) - GitHub #404 FIXED - New and renamed folders didn't show as recent when add-on Quick Folder Move Classic was used (128.6.1) FIXED - Folder counts are doubled-up when IMAP folder is repaired (128.6.1) - Bug 1939698 FIXED - HTML text string not updated while colour is chosen for text in compose/Write window (128.6.1) - Bug 1942381 FIXED - Add-on blocking by version number didn't work, "Cardbook" below version 98.2 is blocked again (128.6.1) CHANGED - Set preference mail.html_sanitize.drop_conditional_css to false to ensure correct rendering of conditional CSS (128.6.0) - Bug 1659362 FIXED - Some threading issues in virtual cross-folder views (128.6.0) (now in TB 128.7.1) - Bug 1939725 FIXED - Content of virtual folder not correct after update to base folders. Issue in caching of search results in conflicting Mork scope. (128.6.0) - GitHub #368 FIXED - Virtual folders sometimes added to unified folders (128.6.0) - Bug 1939350 FIXED - Issues when dragging Windows shell link (.lnk) to Write (compose) window (fix from ver |
| Betterbird 128.6.0esr-b Jan 7, 2025 |
Fixed in this version: CHANGED - Set pref mail.html_sanitize.drop_conditional_css to false to ensure correct rendering of conditional CSS - Bug 1659362 FIXED - Some threading issues in virtual cross-folder views - Bug 1939725 FIXED - Content of virtual folder not correct after update to base folders. Issue in caching of search results in conflicting Mork scope. - GitHub #368 FIXED - Addressing pill too short to show full e-mail address on first reply - Bug 1855276 FIXED - Virtual folders sometimes added to unified folders - Bug 1939350 FIXED - Issues when dragging Windows shell link (.lnk) to Write (compose) window (fix from version 91 was missing in 128) FIXED - Linux only: Movemail didn't work when system spool file was empty FIXED - Replaced references to "Betterbird Mobile" with "Thunderbird Mobile" FIXED - Feed messages with no Content-Base header didn't load as web page FIXED - Online search checkbox not always available - Bug 1937642 |
