11release :
2- release_date : ' 2025-12-11 '
2+ release_date : ' 2025-12-12 '
33 text : |
4- **These notes apply to Thunderbird version 147 beta 1 released December 11 , 2025.**
4+ **These notes apply to Thunderbird version 147 beta 2 released December 12 , 2025.**
55
66 **System Requirements:** [Details](/en-US/thunderbird/146.0beta/system-requirements/)
77
@@ -13,88 +13,115 @@ release:
1313
1414 groups :
1515 - ' '
16+ - ' Fixed in beta 2'
1617
1718notes :
18- # Beta 1
19+ # Beta 2
1920 # New
2021 - note : Add "Show Full Path" folder pane option for compact view modes
2122 tag : new
2223 bugs : [382977]
24+ group : 2
2325
2426 # Fixed
2527 - note : Selected status and priority not displayed in search widgets
2628 tag : fixed
2729 bugs : [2001222]
30+ group : 2
2831 - note : Compacting multiple folders failed and did not compact
2932 tag : fixed
3033 bugs : [1984945]
34+ group : 2
3135 - note : Spam folder could incorrectly be renamed
3236 tag : fixed
3337 bugs : [1999556]
38+ group : 2
3439 - note : Resetting manual folder sorting did not work for sub folders
3540 tag : fixed
3641 bugs : [1979880]
42+ group : 2
3743 - note : ' Gmail "All Mail" folder was displayed as "Archives" in the folder pane'
3844 tag : fixed
3945 bugs : [1999677]
46+ group : 2
4047 - note : Local folder names created by the user could be renamed
4148 tag : fixed
4249 bugs : [1998456]
50+ group : 2
4351 - note : Unified archive subfolders could show wrong names and no messages
4452 tag : fixed
4553 bugs : [1826762]
54+ group : 2
4655 - note : Folders with deep hierarchy and long folder names could fail to display
4756 tag : fixed
4857 bugs : [1990571]
58+ group : 2
4959 - note : Moving saved search/virtual folder under IMAP could fail
5060 tag : fixed
5161 bugs : [533766]
62+ group : 2
5263 - note : ' "Open and Show" for OpenPGP-signed message (.eml) did not work'
5364 tag : fixed
5465 bugs : [1953098]
66+ group : 2
5567 - note : ' "Search Messages" search did not finish due to unparsable local folders'
5668 tag : fixed
5769 bugs : [1976655]
70+ group : 2
5871 - note : Compose command line flag no longer worked correctly
5972 tag : fixed
6073 bugs : [2004551]
74+ group : 2
6175 - note : ' Search for "Attachment" in Settings menu did not find "Files and Attachments"'
6276 tag : fixed
6377 bugs : [1742234]
78+ group : 2
6479 - note : Account Hub did not show error message on failure when creating OAuth2 EWS account
6580 tag : fixed
6681 bugs : [1998477]
82+ group : 2
6783 - note : Thunderbird could crash during exchange address account setup
6884 tag : fixed
6985 bugs : [1987786]
86+ group : 2
7087 - note : Moving virtual folder within maildir based IMAP or local folder could fail
7188 tag : fixed
7289 bugs : [1835556]
90+ group : 2
7391 - note : Thunderbird could crash when marking all messages as read
7492 tag : fixed
7593 bugs : [2004053]
94+ group : 2
7695 - note : Startup could be slow with large number of folders not using subscriptions
7796 tag : fixed
7897 bugs : [1992248]
98+ group : 2
7999 - note : EWS message send that required a password errored instead of prompting
80100 tag : fixed
81101 bugs : [1976128]
102+ group : 2
82103 - note : EWS HTTP 500 backoff errors were not handled gracefully
83104 tag : fixed
84105 bugs : [1995521]
106+ group : 2
85107 - note : SMTP sending could hang when when multiple messages queued for sending
86108 tag : fixed
87109 bugs : [1988329]
110+ group : 2
88111 - note : Thunderbird could crash when emptying EWS trash
89112 tag : fixed
90113 bugs : [2002213]
114+ group : 2
91115 - note : Broken feed icon could prevent updating of feeds
92116 tag : fixed
93117 bugs : [1979019]
118+ group : 2
94119 - note : Calendar did not alert user for connection issues
95120 tag : fixed
96121 bugs : [1998342]
122+ group : 2
97123 - note : Visual and UX improvements
98124 tag : fixed
99125 bugs : [1832899, 1898889, 1939939, 1945489, 1987253, 1997050, 1997465, 1997487, 1998473,
100126 1998747, 2001543, 2001605, 2001863, 2003145]
127+ group : 2
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