Proton Mailbridge Updates & Release Notes
29 updates curated from 1 source by the Releasebot Team. Last updated: Sep 26, 2026
- Sep 9, 2026
- Date parsed from source:Sep 9, 2026
- First seen by Releasebot:Sep 26, 2026
v3.27.0
Proton Mailbridge improves handling of complex email structures, external encryption keys, and tricky email content.
New
- Better handling of complex email message structures.
Changed
- Improved how external encryption keys are handled. Keys that can’t be imported are now skipped instead of being used.
Fixed
- Improved compatibility when handling certain types of email content.
- Aug 17, 2026
- Date parsed from source:Aug 17, 2026
- First seen by Releasebot:Aug 26, 2026
v3.26.0
Proton Mailbridge adds a new Meta+W shortcut to close the main window and improves sync, performance, security, and reliability.
New
- New keyboard shortcut (Meta+W) to close the main window.
Changed
- Improvements to the sync functionality.
- Improvements to performance.
- Improvements related to security and reliability
Fixed
- Fixed a crash with the tray menu on macOS 27 beta.
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- Jun 1, 2026
- Date parsed from source:Jun 1, 2026
- First seen by Releasebot:Jun 10, 2026
v3.25.0
Proton Mailbridge adds significant security improvements, clearer errors, and fixes Linux dialogs, crashes, and temp files.
Changed
- Significant security improvements. Proton highly recommends to update to Bridge 3.25 or newer.
- Errors now display clearer, more actionable messages.
Fixed
- Specific folder selection dialogs now display correctly on some Linux systems.
- Fixed an issue that could cause the application to crash unexpectedly.
- Fixed an issue causing temporary update files to remain on the system.
- Apr 20, 2026
- Date parsed from source:Apr 20, 2026
- First seen by Releasebot:Apr 27, 2026
v3.24.2
Proton Mailbridge fixes a Bridge startup issue on Ubuntu 22.04 LTS.
- Apr 8, 2026
- Date parsed from source:Apr 8, 2026
- First seen by Releasebot:Apr 27, 2026
v3.24.1
Proton Mailbridge improves message moving and deleting reliability.
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- Mar 30, 2026
- Date parsed from source:Mar 30, 2026
- First seen by Releasebot:Apr 27, 2026
v3.24.0
Proton Mailbridge improves email client error messages, lowers initial sync resource use, and fixes authentication and mailbox cleanup issues.
Changed
- Error messages in email clients are now clearer and easier to understand.
- Initial email synchronization uses fewer system resources.
Fixed
- Fixed an issue where the username was not displayed during authentication on some systems.
- Fixed an issue where outdated messages were not properly removed from mailboxes.
- Mar 12, 2026
- Date parsed from source:Mar 12, 2026
- First seen by Releasebot:Mar 23, 2026
- Modified by Releasebot:Apr 27, 2026
v3.23.1
Proton Mailbridge fixes an issue where emails moved from Drafts to Trash.
- Mar 4, 2026
- Date parsed from source:Mar 4, 2026
- First seen by Releasebot:Mar 23, 2026
v3.23.0
Proton Mailbridge adds macOS icon customization, CLI version display, internet status indicator, and reliability fixes.
New
- Support for customizing the Bridge icon on macOS 26 and newer.
- Option to display the current Bridge version when running in Command Line mode.
- Visual indicator when Bridge is not connected to the internet.
Changed
- Clearer descriptions for selected settings and options.
- Improved accuracy and consistency when importing messages.
- Enhanced reliability when authenticating with a hardware security key.
Fixed
- Resolved crashes affecting certain versions of Windows.
- Resolved an issue affecting automatic startup on some Linux systems.
- Feb 11, 2026
- Date parsed from source:Feb 11, 2026
- First seen by Releasebot:Feb 16, 2026
v3.22.0
New
- Helpful tooltips when copying IMAP/SMTP settings to clipboard.
- Increased the maximum message import size limit to 50MB.
- Added support for hardware security keys (FIDO2) for two-factor authentication.
Changed
- Improved reliability when importing emails.
- Improved password storage reliability on all platforms.
- Improved reliability during long-running mail operations.
Fixed
- Fixed an issue that could cause Bridge to crash when importing certain messages.
- Fixed an issue where imported emails could be altered.
- Jul 21, 2025
- Date parsed from source:Jul 21, 2025
- First seen by Releasebot:Feb 16, 2026
v3.21.2
Changed
- Improved security by not allowing potentially invalid certificates to be accepted.
- Jun 18, 2025
- Date parsed from source:Jun 18, 2025
- First seen by Releasebot:Sep 17, 2025
v3.21.1
Bridge now runs a quick startup database health check to catch issues early, fixes label and folder sync reliability, and improves mailbox handling with better error detection and fewer sync issues.
New
- Bridge now performs a quick database health check on startup to catch potential issues early.
Fixed
- Resolved issues regarding labels and folders not always syncing correctly.
Changed
- Mailbox handling is more reliable, with better error detection and fewer sync issues.
- May 15, 2025
- Date parsed from source:May 15, 2025
- First seen by Releasebot:Sep 17, 2025
v3.20.0
New detailed local logging for label ops and vault keys; Bridge now remembers the last Linux keychain helper. Robust login credential handling. Fixed autostart shortcut for Windows usernames with special chars; improved reliability when many mail changes come from other clients.
New
- Added more detailed local logging for label-related operations and vault key information.
- Bridge now remembers the last keychain helper used on Linux.
Changed
- Username and password handling during login is now more robust.
Fixed
- Fixed autostart shortcut creation on Windows for usernames with special characters.
- Improved reliability when many mail changes are made from other clients.
- Apr 1, 2025
- Date parsed from source:Apr 1, 2025
- First seen by Releasebot:Sep 17, 2025
v3.19.0
- Mar 6, 2025
- Date parsed from source:Mar 6, 2025
- First seen by Releasebot:Sep 17, 2025
v3.18.0
- Feb 19, 2025
- Date parsed from source:Feb 19, 2025
- First seen by Releasebot:Sep 17, 2025
v3.17.0
Changed
- Updated Go to version 1.23.4.
- Various dependency updates.
- Improved email update mechanism during initial synchronization.
Fixed
- Cut and paste options no longer appear in read-only text fields.
Curated by the Releasebot team
Releasebot is an aggregator of official product update announcements from hundreds of software vendors and thousands of sources.
Our editorial process involves the manual review and audit of release notes procured with the help of automated systems.