Change history: Chat management

← Changelog. Entries: 14.

• 2026-09-30 NEW-0930-2: Chats: the unread mark, read later, mentions, the membership check and chat folders
• 2026-09-30 NEW-0930-5: Chats: members on messenger v2 — managers, members as entities, active members and membership records
• 2026-09-30 FIX-0930-7: restore chat owner body forwarding
• 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 FIX-0930-9: legacy chat creation for an ordinary key
• 2026-09-30 NEW-0930-35: Chats: personal folders — create, edit, order and contents
• 2026-09-30 NEW-0930-36: Chats: chat settings — description, color, avatar, member permissions and message auto-delete
• 2026-09-30 FIX-0930-46: restore the existing event polling response
• 2026-09-29 BC-0929-14: chat read boundaries, file metadata and publication recovery
• 2026-09-29 NEW-0929-17: Chats: dialog list sections, shared chats, changes since a moment, chat pinning and reading
• 2026-09-23 NEW-0923-2: turning chat notifications off and on
• 2026-09-12 BC-0912-4: numeric path ids of the chat and notification endpoints are checked before the Bitrix24 call
• 2026-09-01 FIX-0901-5: the 401 TOKEN_MISSING error now names the reason on every V1 route
• 2026-07-20 FIX-0720-2: chat rename no longer reports a false success to a non-participant