Wimsy

Wimsy is a cross-platform XMPP client built with Flutter.

It's early days. This was built almost entirely by Codex.

Platforms

Vaguely tested on:

• Linux
• Windows
• Android
• Web

Builds, but untested on:

• iOS
• macOS

Features

• Direct TLS (XEP-0368) and StartTLS with SRV discovery
• Stream Management (XEP-0198) with resumable sessions and ack handling
• MAM history sync and paging (XEP-0313 + XEP-0059)
• MUC join/leave + bookmarks (XEP-0045 + XEP-0048/Bookmarks 2)
• Audio/video calling over WebRTC (Jingle XEP-0166/0167 + JMI XEP-0353)
• MUJI group calls (XEP-0272)
• Chat states, receipts, and chat markers (XEP-0085, XEP-0184, XEP-0333)
• Message carbons (XEP-0280)
• Message corrections (XEP-0308)
• Message reactions (XEP-0444)
• Roster versioning (XEP-0237)
• Client State Indication (XEP-0352)
• PEP avatars (XEP-0084) with +notify; vcard-temp fallback (XEP-0054)
• Message Displayed Sync (XEP-0490) for unread tracking and notifications
• Blocking via privacy lists (XEP-0016)
• File transfer via HTTP Upload (XEP-0363) and IBB (XEP-0047)
• XEP-0066 OOB image rendering (partial)
• Presence state + custom status message
• Native notifications for incoming messages (desktop + Android)
• Console protocol traces for send/receive (when enabled)

Notes

• xmpp_stone is vendored locally in vendor/xmpp_stone to enforce StartTLS and surface XML traffic during debugging.
• macOS builds that use flutter_secure_storage require the keychain-access-groups entitlement (not com.apple.security.keychain-access-groups) to avoid -34018.