Thunderbird Beta for Testers

Alle Versionen von Thunderbird Beta for Testers

• 
  25.0b2(62)Dies ist die neueste VersionLatest

  XAPK

  Oct 21, 202693.8 MBNeuigkeiten
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  Was ist neu in der Version 25.0b2

  Aktualisiert am Oct 21, 2026

  Thunderbird version 25.0b2
  
  Changed:
  - Remote Feature Flags temporarily disabled to investigate startup freeze on splash screen
  
  Fixed:
  - Message composer could crash when rotating screen or editing message as new
  

• 
  25.0b1(61)

  XAPK

  Oct 6, 202634.6 MBAndroid 9.0+Neuigkeiten
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  Was ist neu in der Version 25.0b1

  Aktualisiert am Oct 6, 2026

  Thunderbird version 25.0b1
  
  New:
  - New funding appeal helps keep Thunderbird alive!
  - Feature flags can be updated without app updates
  
  Fixed:
  - Deleted email notifications could reappear
  - HTML signature text disappeared after rotation
  - HTML drafts could hide or lose attachments
  - Add to contacts crashed without a Contacts app
  - Large PGP attachments showed no encryption progress
  - Account drawer could behave inconsistently
  - Acccount drawer controls blocked content on small displays
  

• 
  24.0b2(60)

  XAPK

  Sep 15, 202690.2 MBAndroid 10.0+Neuigkeiten
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  Was ist neu in der Version 24.0b2

  Aktualisiert am Sep 15, 2026

  Thunderbird version 24.0b2
  
  Fixed:
  - Attachment filenames with non-ASCII characters were incorrectly decoded and saved
  - HTML signature text could disappear after rotating the screen
  

• 
  24.0b1(59)

  XAPK

  Sep 11, 202633.3 MBAndroid 6.0+Neuigkeiten
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  Was ist neu in der Version 24.0b1

  Aktualisiert am Sep 11, 2026

  Thunderbird version 24.0b1
  
  New:
  - Signatures support HTML
  
  Fixed:
  - Reply prompts with Reply or Reply All
  - Selected compose text was invisible in light theme
  - Status bar icons became unreadable when selecting messages
  - Recipient expander would not collapse after editing subject or body
  - Thunderbird could crash when adding attachment to message using camera
  - Save All saved each attachment using content of last file
  
  Changed:
  - Long account names are resized to fit within two lines
  

• 
  23.0b1(58)

  XAPK

  Aug 21, 202632.7 MBAndroid 9.0+Neuigkeiten
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  Was ist neu in der Version 23.0b1

  Aktualisiert am Aug 21, 2026

  Thunderbird version 23.0b1
  
  Fixed:
  - Signature field only accepted single-line text in Composition defaults
  

• 
  22.0b2(57)

  XAPK

  Jul 29, 202632.8 MBAndroid 6.0+Neuigkeiten
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  Was ist neu in der Version 22.0b2

  Aktualisiert am Jul 29, 2026

  Thunderbird version 22.0b2
  
  Fixed:
  - Could not empty the Trash folder using the Empty Trash action
  

• 
  21.0b2(55)

  XAPK

  Jul 1, 202616.3 MBNeuigkeiten
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  Was ist neu in der Version 21.0b2

  Aktualisiert am Jul 1, 2026

  Thunderbird version 21.0b2
  
  Fixed:
  - Manage Folders opened the wrong account instead of the selected account
  - Application crashed when attempting to change account color
  

• 
  21.0b1(54)

  XAPK

  Jun 24, 202610.6 MBAndroid 6.0+Neuigkeiten
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  Was ist neu in der Version 21.0b1

  Aktualisiert am Jun 24, 2026

  Thunderbird version 21.0b1
  
  Changed:
  - Animation setting now allows On, Off, and System Default options
  - Modernized 'Fetching mail' account settings screen
  
  Fixed:
  - Modernized 'Composition defaults' screen
  - Application could crash due to memory exhaustion
  - Application could crash when rendering long messages
  - Inline images were shown as attachments instead of displaying in message
  - Server search results could disappear
  - Links failed when trailing punctuation incorrectly included in URLs
  

• 
  20.0b2(53)

  XAPK

  Jun 7, 202610.3 MBAndroid 9.0+Neuigkeiten
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  Was ist neu in der Version 20.0b2

  Aktualisiert am Jun 7, 2026

  Thunderbird version 20.0b2
  
  New:
  - Enable easily discoverable way to configure and use Thundermail
  
  Fixed:
  - K-9 Mail crashed when scanning Thundermail QR code
  

• 
  20.0b1(52)

  XAPK

  May 29, 202610.1 MBAndroid 9.0+Neuigkeiten
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  Was ist neu in der Version 20.0b1

  Aktualisiert am May 29, 2026

  Thunderbird version 20.0b1
  
  Changed:
  - Only show message notification config actions above the cutoff
  
  Fixed:
  - Account drawer stayed open after account switch despite auto-select Inbox setting
  - Imported settings could incorrectly show 'XX' avatar monogram
  - Printed emails omitted message headers and used minimal margins
  - Compose button did not work in tablet split-screen message view
  - New mail notifications showed avatars when contact pictures were disabled