MailFlow

New features

• Two-factor authentication — TOTP (authenticator app), email OTP, and persistent device trust. Admins can set enforcement policy (off / required) and trust duration (7 days, 30 days, permanent, or never) in the admin panel.
• Todoist integration — link a Todoist account from the admin Apps tab. Create tasks directly from emails via the message toolbar.
• Composer font groups and email priority — choose font family groups in the composer and set message priority (low / normal / high / urgent).
• Improved mobile compose UX — cleaner field layout and simplified toolbar for composing on mobile.

Fixes

• Wide fixed-layout HTML emails no longer clip on mobile — content is scaled to fit the viewport.
• Mark-as-read now fires immediately on tap rather than waiting for the synthesized click event, closing the window where a fast back-swipe could race against the state update.
• Mark-as-read is retried once on network failure before reverting, reducing spurious "still unread" appearances on unreliable mobile connections.
• Resolved ghost touches and scrambled gesture recognition in the mobile message list after rapid swiping.
• Fixed an edge case where thread resolution could overwrite the optimistic mark-as-read update before the API call completed.
• Back swipe no longer exits the PWA context on iOS standalone mode.
• Todoist connection status now syncs correctly on app load.
• Message toolbar cleaned up — icon-only buttons with tighter spacing.

Performance

• Div-renderer utilities (PostCSS, CSS scoping) are now lazy-loaded and excluded from the main bundle when the div renderer is disabled.

Upgrade notes

• Two database migrations run automatically on startup (0019_user_integrations, 0020_mfa_device_trust). No manual steps required.
• 2FA is off by default. Existing users are not affected unless an admin enables enforcement under Settings → Security.
• One new optional environment variable: VITE_EMAIL_DIV_RENDER (default false). The div-based renderer is experimental — do not enable in production.