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Changelog
- Per-mailbox trust for self-signed and custom-CA certificates, so Proton Mail Bridge and self-hosted servers connect
- Google Workspace accounts can sign in with Google
- Simplified Chinese and Italian, bringing the interface to eleven languages
- Sent mail is filed in the Sent folder again
- Search matches every word you type, not any of them
- Right-to-left languages, and Arabic
- Themeable dropdowns, so a dark theme stays dark wherever you open one
- Sort and unread filter for search results
- Tray icon on Linux, and a Portuguese translation
- A portable Windows exe alongside the installer
- Turkish translation
- Embedded video and audio play once remote content is allowed
- Shortcut hints outside the message list
- Sync, saved view and mailbox import fixes
- PGP and S/MIME support, both off until enabled
- Profiles, with their own settings, accounts, flags and sidebar layout
- Command palette on Cmd+K
- Phishing detection: SPF, DKIM, DMARC, spoofed names, lookalike domains
- Tracking pixel detection in the blocked-content banner
- VirusTotal scanning for links and attachments, off until you add a key
- MCP write actions, seven separate permissions, all starting off
- Reading tabs, bulk actions, CardDAV, IMAP folder management
- Message-level sync progress and per-account failure marking
- Improved search, charset detection, crash logs, 14 bug fixes
- A local MCP server, read-only and off by default
- Native push notifications on all three platforms
- VIP senders, so only the people you mark can interrupt you
- Customizable menu bar
- Faster mail delivery
- Fixes for MCP permissions, notification grouping and menu bar layout
- Notification and startup fixes
- Fixes for the first 2026.3 release
- The last release before the calendar versioning switch
