| Jun | Jul | Aug | Sep | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sunday | No releases on May 31, 2026 | No releases on Jun 7, 2026 | No releases on Jun 14, 2026 | No releases on Jun 21, 2026 | No releases on Jun 28, 2026 | No releases on Jul 5, 2026 | No releases on Jul 12, 2026 | No releases on Jul 19, 2026 | No releases on Jul 26, 2026 | No releases on Aug 2, 2026 | No releases on Aug 9, 2026 | No releases on Aug 16, 2026 | No releases on Aug 23, 2026 | No releases on Aug 30, 2026 | No releases on Sep 6, 2026 | |
| Monday | No releases on Jun 1, 2026 | No releases on Jun 8, 2026 | No releases on Jun 15, 2026 | No releases on Jun 22, 2026 | No releases on Jun 29, 2026 | No releases on Jul 6, 2026 | No releases on Jul 13, 2026 | No releases on Jul 20, 2026 | No releases on Jul 27, 2026 | No releases on Aug 3, 2026 | No releases on Aug 10, 2026 | No releases on Aug 17, 2026 | No releases on Aug 24, 2026 | No releases on Aug 31, 2026 | No releases on Sep 7, 2026 | |
| Tuesday | 1 release on May 26, 2026 | No releases on Jun 2, 2026 | No releases on Jun 9, 2026 | 2 releases on Jun 16, 2026 | No releases on Jun 23, 2026 | 1 release on Jun 30, 2026 | No releases on Jul 7, 2026 | No releases on Jul 14, 2026 | 1 release on Jul 21, 2026 | 1 release on Jul 28, 2026 | 2 releases on Aug 4, 2026 | 2 releases on Aug 11, 2026 | 3 releases on Aug 18, 2026 | 1 release on Aug 25, 2026 | 3 releases on Sep 1, 2026 | No releases on Sep 8, 2026 |
| Wednesday | No releases on May 27, 2026 | No releases on Jun 3, 2026 | No releases on Jun 10, 2026 | No releases on Jun 17, 2026 | No releases on Jun 24, 2026 | 1 release on Jul 1, 2026 | No releases on Jul 8, 2026 | No releases on Jul 15, 2026 | 2 releases on Jul 22, 2026 | No releases on Jul 29, 2026 | No releases on Aug 5, 2026 | No releases on Aug 12, 2026 | No releases on Aug 19, 2026 | 1 release on Aug 26, 2026 | No releases on Sep 2, 2026 | 1 release on Sep 9, 2026 |
| Thursday | No releases on May 28, 2026 | No releases on Jun 4, 2026 | No releases on Jun 11, 2026 | No releases on Jun 18, 2026 | No releases on Jun 25, 2026 | No releases on Jul 2, 2026 | No releases on Jul 9, 2026 | No releases on Jul 16, 2026 | 1 release on Jul 23, 2026 | No releases on Jul 30, 2026 | No releases on Aug 6, 2026 | No releases on Aug 13, 2026 | No releases on Aug 20, 2026 | No releases on Aug 27, 2026 | No releases on Sep 3, 2026 | No releases on Sep 10, 2026 |
| Friday | No releases on May 29, 2026 | No releases on Jun 5, 2026 | No releases on Jun 12, 2026 | No releases on Jun 19, 2026 | No releases on Jun 26, 2026 | No releases on Jul 3, 2026 | No releases on Jul 10, 2026 | No releases on Jul 17, 2026 | No releases on Jul 24, 2026 | No releases on Jul 31, 2026 | No releases on Aug 7, 2026 | No releases on Aug 14, 2026 | No releases on Aug 21, 2026 | No releases on Aug 28, 2026 | No releases on Sep 4, 2026 | No releases on Sep 11, 2026 |
| Saturday | No releases on May 30, 2026 | No releases on Jun 6, 2026 | No releases on Jun 13, 2026 | No releases on Jun 20, 2026 | No releases on Jun 27, 2026 | No releases on Jul 4, 2026 | No releases on Jul 11, 2026 | No releases on Jul 18, 2026 | No releases on Jul 25, 2026 | No releases on Aug 1, 2026 | No releases on Aug 8, 2026 | No releases on Aug 15, 2026 | No releases on Aug 22, 2026 | No releases on Aug 29, 2026 | No releases on Sep 5, 2026 |
23 releases since May 26, 2026, busiest day 3
Fixed Empty filter search values matched every message As always, you’re encouraged to tell us what you think , ask for help , or file a bug in Bugzilla li p { display: inline; }
What’s New S/MIME popup shows signature, digest, encryption algorithms and key sizes Default address book for manually added contacts configurable with mail.addr_book.add_item_default_uri Enterprise p…
Fixed Windows jump list menu no longer functioned correctly Security fixes As always, you’re encouraged to tell us what you think , ask for help , or file a bug in Bugzilla li p { display: inline; }
Fixed Deleting an Exchange account retained the outgoing server settings Thunderbird upgrade disabled Settings menu for versions before macOS 13 Windows jump list menu no longer functioned correctly S…
Fixed Thunderbird upgrade disabled composition toolbar Draft was not preserved when encrypted message send failed Account Hub prompted for calendar credentials after successful login Thunderbird crash…
Fixed Dragging attachments from Local Folders to desktop failed on Windows As always, you’re encouraged to tell us what you think , ask for help , or file a bug in Bugzilla li p { display: inline; }
What’s New Preview functionality for attachments on macOS CMS message with AuthEnvelopedData can be decrypted properly in Thunderbird Global search results can open in list view by default with new se…
Fixed Autoscroll icon was missing directional arrows in scrollable messages Security fixes As always, you’re encouraged to tell us what you think , ask for help , or file a bug in Bugzilla li p { disp…
Fixed Security fixes As always, you’re encouraged to tell us what you think , ask for help , or file a bug in Bugzilla li p { display: inline; }
Fixed Dragging attachments from Local Folders to the desktop failed on Windows IMAP tags did not sync automatically across clients DisablePasswordReveal policy failed to prevent revealing saved passwo…
Fixed Thunderbird could crash when saving a sent Exchange message As always, you’re encouraged to tell us what you think , ask for help , or file a bug in Bugzilla li p { display: inline; }
Changed There are no Thunderbird changes requiring release notes in this release As always, you’re encouraged to tell us what you think , ask for help , or file a bug in Bugzilla li p { display: inlin…
Changed Restored previous Yahoo sign-in flow to improve login reliability Fixed Edit Calendar dialog opened without a window title Thunderbird could crash when going offline with active IMAP connectio…
Fixed New Message and New Event buttons were unreadable in right-to-left locales OpenPGP sending failed when an accepted key lacked a valid encryption subkey As always, you’re encouraged to tell us wh…
Changed There are no Thunderbird changes requiring release notes in this release As always, you’re encouraged to tell us what you think , ask for help , or file a bug in Bugzilla li p { display: inlin…
What’s New Visual signatures can be added to PDF attachments opened in Thunderbird 'Copy Message Link' and 'Copy News Link' added to header pane 'More actions' Accessiblity is improved in various tree…
Fixed Security fixes As always, you’re encouraged to tell us what you think , ask for help , or file a bug in Bugzilla li p { display: inline; }
What’s New Unified folders now display account color indicator with account name tooltip OAuth login for mail accounts now opens in default web browser Thundermail services can now be used without ins…
Fixed Reply All button was missing for some EWS messages with multiple recipients Security fixes As always, you’re encouraged to tell us what you think , ask for help , or file a bug in Bugzilla li p…
Fixed Security fixes As always, you’re encouraged to tell us what you think , ask for help , or file a bug in Bugzilla li p { display: inline; }
Fixed Security fixes As always, you’re encouraged to tell us what you think , ask for help , or file a bug in Bugzilla li p { display: inline; }
What’s New SecurityDevices enabled in enterprise policies One-click account setup for Thundermail accounts Changed Use 'Add' instead of 'New' for account, calendar, address book creation buttons GMail…
Changed There are no Thunderbird changes requiring release notes in this release As always, you’re encouraged to tell us what you think , ask for help , or file a bug in Bugzilla li p { display: inlin…
End-to-end encrypted messaging for everyone.
A fast, beautiful email client for every mailbox.
A private messenger without any user identifiers, end-to-end encrypted over user-chosen relays.
Low-latency, high-quality voice chat.
A custom Discord desktop app with Vencord built in.
One app for all your messaging services.