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Filename
Thunderbird Setup 135.0.exe
Sometimes latest versions of the software can cause issues when installed on older devices or devices running an older version of the operating system.
Software makers usually fix these issues but it can take them some time. What you can do in the meantime is to download and install an older version of Thunderbird 135.0 (32-bit).
For those interested in downloading the most recent release of Thunderbird (32-bit) or reading our review, simply click here.
All old versions distributed on our website are completely virus-free and available for download at no cost.
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If you have any questions or ideas that you want to share with us - head over to our Contact page and let us know. We value your feedback!
What's new in this version:
New:
- Add-ons: Added support for specifying a cookieStoreId when creating a space
Changed:
- CardDAV address books and calendars now use the same OAuth2 code as mail
- Ignore unsupported subkeys/signatures when importing compliant OpenPGP keys
- Add-ons: browser.messages.listAttachments() now returns attachment headers
- Set show missed reminders preference to false by default
Fixed:
- Race condition in folder compaction could cause unexpected behavior
- Link at about:rights pointed to Firefox privacy policy instead of Thunderbird's
- On Windows, the Restart button in the About dialog failed to update Thunderbird
- Compacting an empty folder failed with write error
- Compacting of IMAP folder with corrupted local storage failed with write error
- POP3 'fetch headers only' and 'get selected messages' could delete messages
- Data corruption occurred when compacting IMAP Drafts folder after saving a message
- Users may not have been notified if messages arrived in multiple folders at once
- 'Search Online' checkbox in saved search properties was incorrectly disabled
- Dragging threaded emails to another folder left a summary in the message panel
- POP3 status message showed incorrect download count when messages were deleted
- Thunderbird could show incorrect 'From' and 'To' fields for mailing list emails
- mail.compose.other.header wrongly added fields to message preview pane headers
- Space bar did not always advance to the next unread message
- Folder creation or renaming failed due to incorrect preference settings
- Message list scrolled to the wrong place on start-up
- After restart, all restored tabs with opened PDFs showed the same attachment
- Forwarding/editing S/MIME drafts/templates unusable due to regression
- Shutdown could hang due to unterminated search execution
- Sort order in 'Search Messages' panel reset after search or on first launch
- Reply window added an unnecessary third blank line at the top
- Thunderbird spell check box did not allow ENTER to accept suggested changes
- Thunderbird did not warn when replying to a 'noreply' address containing a '+'
- Context menu was unable to move email address to a different field
- 'Please fill out this field' in account setup always appeared in English
- Add-ons: Links in content pages with a target attribute loaded a blank page
- Double clicking a new contact icon added the contact to the address book twice
- Long email subject lines could overlap window control buttons on macOS
- POP3 'fetch headers only' and 'get selected messages' could skip some messages
- Thunderbird logged network errors in console when used in offline mode
- 'Prefer client-side email scheduling' needed to be selected twice
- Calendar print misaligned days (Mon-Sun) with their correct dates
- All-day event dates were displayed with times when they should not have times
- Duplicate invitations were sent if CALDAV calendar email case did not match
- Thunderbird calendar failed to show attendee as busy when added to an event
- Exceptions during CalDAV item processing would halt subsequent item handling
- Visual and UX improvements
- Security fixes
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