|
| 1 | +release: |
| 2 | + release_date: '2025-12-10' |
| 3 | + text: | |
| 4 | + **These notes apply to Thunderbird version 147 beta 1 released December 10, 2025.** |
| 5 | +
|
| 6 | + **System Requirements:** [Details](/en-US/thunderbird/146.0beta/system-requirements/) |
| 7 | +
|
| 8 | + - Windows: Windows 10 or later |
| 9 | + - Mac: macOS 10.15 or later |
| 10 | + - Linux: GTK+ 3.14 or higher |
| 11 | +
|
| 12 | + import_system_requirements: 140.0beta |
| 13 | + |
| 14 | + groups: |
| 15 | + - ' ' |
| 16 | + |
| 17 | +notes: |
| 18 | + # Beta 1 |
| 19 | + # New |
| 20 | + - note: Add "Show Full Path" folder pane option for compact view modes |
| 21 | + tag: new |
| 22 | + bugs: [382977] |
| 23 | + |
| 24 | + # Changed |
| 25 | + - note: Yahoo and AOL Oauth2 configurations are updated to use PKCE |
| 26 | + tag: changed |
| 27 | + bugs: [1999291] |
| 28 | + |
| 29 | + # Fixed |
| 30 | + - note: Selected status and priority not displayed in search widgets |
| 31 | + tag: fixed |
| 32 | + bugs: [2001222] |
| 33 | + - note: Compacting multiple folders failed and did nothing |
| 34 | + tag: fixed |
| 35 | + bugs: [1984945] |
| 36 | + - note: Spam folder could incorrectly be renamed |
| 37 | + tag: fixed |
| 38 | + bugs: [1999556] |
| 39 | + - note: Resetting manual folder sorting did not work for sub folders |
| 40 | + tag: fixed |
| 41 | + bugs: [1979880] |
| 42 | + - note: 'Gmail "All Mail" folder was displayed as "Archives" in the folder pane' |
| 43 | + tag: fixed |
| 44 | + bugs: [1999677] |
| 45 | + - note: Local folder names created by the user could be renamed |
| 46 | + tag: fixed |
| 47 | + bugs: [1998456] |
| 48 | + - note: Unified archive subfolders could show wrong names and no messages |
| 49 | + tag: fixed |
| 50 | + bugs: [1826762] |
| 51 | + - note: Folders with deep hierarchy and long folder names could fail to display |
| 52 | + tag: fixed |
| 53 | + bugs: [1990571] |
| 54 | + - note: Moving saved search/virtual folder under IMAP could fail |
| 55 | + tag: fixed |
| 56 | + bugs: [533766] |
| 57 | + - note: '"Open and Show" for OpenPGP-signed message (.eml) did not work' |
| 58 | + tag: fixed |
| 59 | + bugs: [1953098] |
| 60 | + - note: '"Search Messages" search may not finish due to unparsable local folders' |
| 61 | + tag: fixed |
| 62 | + bugs: [1976655] |
| 63 | + - note: Compose command line flag no longer worked correctly |
| 64 | + tag: fixed |
| 65 | + bugs: [2004551] |
| 66 | + - note: 'Search for "Attachment" in Settings menu did not find "Files and Attachments"' |
| 67 | + tag: fixed |
| 68 | + bugs: [1742234] |
| 69 | + - note: Account Hub did not show error message on failure when creating OAuth2 EWS account |
| 70 | + tag: fixed |
| 71 | + bugs: [1998477] |
| 72 | + - note: Thunderbird could crash during exchange address account setup |
| 73 | + tag: fixed |
| 74 | + bugs: [1987786] |
| 75 | + - note: Moving virtual folder within maildir based IMAP or local folder could fail |
| 76 | + tag: fixed |
| 77 | + bugs: [1835556] |
| 78 | + - note: Thunderbird could crash when marking all messages as read |
| 79 | + tag: fixed |
| 80 | + bugs: [2004053] |
| 81 | + - note: Startup could be slow with large number of folders not using subscriptions |
| 82 | + tag: fixed |
| 83 | + bugs: [1992248] |
| 84 | + - note: EWS message sending that required a password errored instead of prompting |
| 85 | + tag: fixed |
| 86 | + bugs: [1976128] |
| 87 | + - note: EWS HTTP 500 backoff errors were not handled gracefully |
| 88 | + tag: fixed |
| 89 | + bugs: [1995521] |
| 90 | + - note: SMTP sending could hang when when multiple messages queued for sending |
| 91 | + tag: fixed |
| 92 | + bugs: [1988329] |
| 93 | + - note: Thunderbird could crash when emptying EWS trash |
| 94 | + tag: fixed |
| 95 | + bugs: [2002213] |
| 96 | + - note: Broken feed icon could prevent updating of feeds |
| 97 | + tag: fixed |
| 98 | + bugs: [1979019] |
| 99 | + - note: Calendar did not alert user for connection issues |
| 100 | + tag: fixed |
| 101 | + bugs: [1998342] |
| 102 | + - note: Visual and UX improvements |
| 103 | + tag: fixed |
| 104 | + bugs: [1832899, 1898889, 1939939, 1945489, 1987253, 1997050, 1997465, 1997487, 1998473, |
| 105 | + 1998747, 2001543, 2001605, 2001863, 2003145] |
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