Change history: Messages

← Changelog. Entries: 23.

• 2026-09-30 NEW-0930-2: Chats: the unread mark, read later, mentions, the membership check and chat folders
• 2026-09-30 NEW-0930-8: Chats: messenger v2 — deletion, joining, the parent chat, the access check and v2 modes of the chat card, creation and update
• 2026-09-30 NEW-0930-20: Chats: messages on the messenger v2 methods — the first page, views, disappearing messages and read marks
• 2026-09-30 FIX-0930-21: restore partial legacy message batch results
• 2026-09-30 FIX-0930-22: restore the existing legacy message mutations
• 2026-09-30 FIX-0930-23: restore legacy feed parameters for ordinary keys
• 2026-09-30 FIX-0930-24: restore legacy read-mark input handling
• 2026-09-30 FIX-0930-25: restore legacy message-send fields
• 2026-09-30 FIX-0930-26: block message viewers for read-only keys
• 2026-09-30 NEW-0930-44: Chats: reactions, pinned messages, forwarding, in-chat search and typing
• 2026-09-30 NEW-0930-45: Chats: anchors, channel comments, message blocks and the number of pinned messages
• 2026-09-29 BC-0929-14: chat read boundaries, file metadata and publication recovery
• 2026-09-25 NEW-0925-15: Chats: the format=v2 mode, chat loading, counters and messages around a message
• 2026-09-12 BC-0912-3: a meaningless body on message edit, chat members and post update is refused, not executed
• 2026-09-12 BC-0912-4: numeric path ids of the chat and notification endpoints are checked before the Bitrix24 call
• 2026-09-11 FIX-0911-10: the messenger API description now matches what the endpoints answer
• 2026-08-21 NEW-0821-10: Open Channels session transcript via the API
• 2026-08-11 BC-0811-18: marking messages read now requires a key with write access
• 2026-08-04 FIX-0804-19: a bot message without text is refused with a clear error instead of a false success
• 2026-08-01 FIX-0801-10: Bitrix24 error messages no longer carry HTML markup
• 2026-07-28 NEW-0728-8: chats: limit clamp echo in meta
• 2026-07-14 FIX-0714-14: Five silent false-success / hint defects: an honest response instead of a fake success
• 2026-07-05 FIX-0705-1: Chat message send — a clear error when the text is empty