Mozilla Thunderbird (all versions updates)

[harlan4096]

Thunderbird Nebula 136.0 (stable version) is now "recommended" to download from the homepage:

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What’s New​

• Messages are automatically adapted to dark mode with a quick toggle in the header.
  
• New "Appearance" Settings UI to globally control message threading/sorting order.
  

 What’s Changed​

• Criteria for closing idle message databases.
  

 What’s Fixed​

• Thunderbird Release channel was not displayed in "About Thunderbird".
  
• Crash could occur when shutting down during MAPI send.
  
• The error message for compacting a corrupted local folder was not useful.
  
• Deleting or detaching attachments in a saved .eml file appeared to work but failed.
  
• On HiDPI screens, clicking addresses in the header could show popup off-screen.
  
• Opening an .EML file in profiles with many folders could take a long time.
  
• Some messages may have been threaded incorrectly in unified folders.
  
• Unified folders could become unusable instead of being automatically rebuilt.
  
• Folders at level 3+ were not auto-discovered when IMAP subscriptions were ignored.
  
• New subfolder did not inherit parent view, sort order, sort type, or columns.
  
• With "Fetch headers only" enabled, messages could not be sorted by size.
  
• Selecting starred messages did not update immediately.
  
• Marking a unified folder as favorite did not show it in favorite folders.
  
• Users with many folders experienced poor performance when resizing message panes.
  
• The UI could falsely report a message as encrypted when a null cipher was used.
  
• Search messages dialog list could not be sorted by clicking the header icon.
  
• Sending to multiple SMTPs could fail silently due to missing address book.
  
• "Replace" button in compose window was overwritten when the window was narrow.
  
• Changing the UI font size did not apply to some dialogs.
  
• Deleted Gmail messages stayed visible until compact/expunge, despite settings.
  
• Export to mobile did not work when "Use default server" was selected.
  
• Account settings menu could be loaded twice.
  
• Account Settings updated font size were not reflected in the content frame.
  
• Add-ons: Context menu entries were incorrectly aligned.
  
• Middle-click autoscroll cursor appeared without arrows instead of expected design.
  
• Some functionality was missing for newsgroup messages opened from a file or URI.
  
• Notifications for new mail were not showing for IMAP.
  
• Message and folder lists could display incorrect line spacing after restart.
  
• Clicking a 'mid:' link could clear the thread pane and cause errors.
  
• Release channel incorrectly showed What's New page after update.
  
• "Save Link As" was not working in feed web content.
  
• Sort indicators were missing on the calendar events list.
  
• Visual and UX improvements
  
• Security fixes
  

Release Notes