Change history: Calendar events

← Changelog. Entries: 13.

• 2026-09-19 FIX-0919-5: the OpenAPI specification and the API reference describe task history, kanban stages and CRM reference aggregation
• 2026-09-16 NEW-0916-12: calendar events now support include: owner, host, attendee
• 2026-08-24 NEW-0824-12: calendar events can be linked to CRM elements
• 2026-08-24 BC-0824-14: an unknown select field name is refused with 400 on almost every entity
• 2026-08-17 NEW-0817-6: Bitrix24 account calendar settings are available through the API
• 2026-07-28 BC-0728-6: calendar: an unknown select name returns an error instead of an empty object
• 2026-07-28 NEW-0728-7: calendar: occurrenceIndex and version fields
• 2026-07-28 FIX-0728-12: calendar: honest offset and hasMore, deterministic order
• 2026-07-28 FIX-0728-18: windowed search stops once it has the requested rows and reports an incomplete window
• 2026-07-14 FIX-0714-7: Calendar: working section batch-delete, clean update errors, no leaked sync fields
• 2026-07-02 FIX-0702-6: POST /search reports missing required parameters with a clean error
• 2026-06-24 FIX-0624-10: calendar event field types now match real responses
• 2026-06-18 FIX-0618-4: calendar event time zone