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v1.4.12 — PWA Support, Birthday Calendar, Identity Sync, and multiple New Locales
1.4.12 (2026-04-09)
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Features
- PWA: Add PWA support with service worker and install prompt
- Calendar: Add birthday calendar feature with settings and localization
- Calendar: Clamp February 29 birthdays in non-leap years
- Identity: Add automatic identity synchronization (#167)
- Plugins: Disable plugins by default and require admin approval
- Plugins: Replace auth header exposure with a secure HTTP proxy API for plugins
- Auth: Add configurable OAuth scopes and cookie security via environment variables
- Email: Sync mail view to browser history for back/forward navigation
- Contacts: Add ability to rename address books (#152)
- UI: Add version badge in settings
- i18n: Add Latvian (lv) locale support
- i18n: Add Polish language support
- i18n: Add Korean language support
- i18n: Add Simplified Chinese (zh_CN) locale support
Fixes
- Email: Show recipient instead of sender in Sent and Drafts folder lists
- Email: Embed dropped images as data URLs and prevent duplicate attachments (#163)
- Email: Fix logic for marking email as read in EmailViewer
- Email: Fix archive action passing MouseEvent as argument
- Mailbox: Preserve search filters on push-triggered mailbox refresh (#164)
- Mailbox: Align shared account folders with primary folders (#151)
- Mailbox: Fetch mailboxes on mount in FolderSettings when store is empty
- Mailbox: Improve mailbox deletion error handling
- Calendar: Improve calendar event retrieval by batching requests to avoid server limits (#141)
- Calendar: Compute per-occurrence UTC start/end in recurrence expansion (#116)
- Calendar: Guard against undefined trigger in calendar event alert popover (#143)
- Files: Stream WebDAV PUT uploads to avoid buffering in memory (#162)
- Files: Prune recent files against server nodes on refresh (#146)
- Files: Fix file deletion logic to update recent files and handle errors (#146)
- Files: Extend file drop zone to fill remaining viewport height
- Files: Fallback to application/octet-stream for long MIME types
- Security: Replace unguarded crypto.randomUUID() with safe generateUUID() utility
- Security: Validate plugin HTTP post URL against origin with regression tests
- Security: Allow blob images in CSP for inline drag-and-drop (#163)
- Auth: Resolve settings sync identity mismatch for OAuth/SSO sessions (#127)
- Contacts: Fix address book ID namespacing for shared contacts in create and update operations (#133)
- UI: Fix focused mode expanding beyond screen bounds (#156)
- API: Handle 403 on principal fetch without console error
- API: Enhance error handling in Stalwart API responses
