https://github.com/cmeng-git/atalk-android/compare/5.1.0...5.2.0/

aTalk is an XMPP client designed for Android that supports the following features: - Instant messaging in plain text and end-to-end encryption with OMEMO. - SSL certificate authentication, DNSSEC, and DANE security implementation for enhanced secure connection establishment. - OMEMO encryption in group chat sessions to enhance privacy and security. - OMEMO media file sharing for all files, including stickers, Bitmoji, and emoji-rich content. - HTTP file upload support for sharing files with offline contacts and in group chats. - Sticker, Bitmoji, and emoji-rich content sharing via Google Gboard. - Send and receive files of all document types and images, with thumbnail previews and GIF animation. - Auto-accept file transfers with a maximum file size option. - Fault-tolerant file transfer algorithm via HTTP File Upload, Jingle File Transfer, and legacy in-band/SOCKS5 bytestreams protocols to improve file sharing reliability. - Secure file transfer via HTTP File Upload using aesgcm:// or via Jingle Encrypted Transport (JET). - Enhanced and harmonized UI for file sharing in chats and chat rooms. - Share, quote, and forward messages and media with previews before sending. - Multi-instance audio media player with play, pause, resume, stop, and seek functions. - Unread message badges in contact and chat room list views. - User-selectable heads-up notifications and quiet hours. - Social media link sharing tagged with thumbnails and titles. - Text-to-speech and speech recognition UI with per-chat-session enable option (for contacts and group chats). - XEP-0012: Last Activity (time associated with contacts). - XEP-0048: Bookmarks for conference rooms with auto-join on login. - XEP-0070: Verifying HTTP requests via XMPP entity for user authentication without password entry. - XEP-0071: XHTML-IM support for chat messages with lightweight text markup. - XEP-0085: Chat State Notifications. - XEP-0124: Bidirectional-streams Over Synchronous HTTP (BOSH) with proxy support. - XEP-0178: Use of SASL EXTERNAL with TLS certificates for client authentication. - XEP-0184: Message Delivery Receipts with user enable/disable option. - XEP-0215: External Service Discovery. - XEP-0251: Jingle Session Transfer (support for both unattended and attended call transfer). - XEP-0313: Message Archive Management. - XEP-0391: Jingle Encrypted Transports for OMEMO-encrypted media file sharing. - Call waiting to accept a second incoming call by placing the in-progress call on hold, with switching between calls. - Jabber VoIP-PBX gateway telephony, allowing PBX phone calls via a service gateway. - Join or create rooms with full configuration support for owners. - Integrated CAPTCHA-protected room UI with retry on failure. - Support for both voice and video calls with ZRTP, SDES, and DTLS-SRTP encryption modes. - ZRTP crypto algorithms using SHA-2 (384/256-bit ciphers AES-256 & TWOFISH-256, with elliptic Curve25519). - SDES encryption with AES-256 and AES-192, accelerated using OpenSSL. - Simultaneous media calls and message chat sessions. - Unique GPS location implementation as a standalone tool; send locations to buddies for real-time tracking or playback animation. - 360° street view of your current location for self-guided tours (tracks and follows your direction of sight). - Built-in demo for GPS location features. - Integrated photo editor with zooming and cropping; easily update your avatar. - Last message correction, message carbons, and offline messages (OMEMO). - Stream Management and mobile network ping interval self-tuning optimization. - In-band registration with CAPTCHA option support. - Multiple account creation. - User-selectable themes. - Multi-language UI support (Arabic, Bahasa Indonesia, Chinese Simplified, English, Finnish, German, Portuguese (Brazil), Russian, Slovak, Spanish). XMPP Standards Implemented aTalk works seamlessly with almost every XMPP server available on the network, limited only by the server's supported features. See aTalk.doap for the list of supported XEPs and standards for XMPP clients. License Copyright 2014-2026 Eng Chong Meng Licensed under the Apache License, Version 2.0.