v4.5.2
onEvent lifecycle callbacks for TriggerChatTransport, large batch payload offloading, and five chat session bug fixes.
Fetched July 9, 2026
Fixed multiple chat session bugs that were dropping or duplicating user messages when several arrived during a single turn, and chat turns…
Trigger.devRemoved support for the end-of-life v3 trigger dev CLI—old v3 clients now receive an upgrade message instead of connecting. Fixed a TS2742…
Trigger.devFixed hook events not streaming during SessionStart hooks in headless sessions, which could cause remote workers to be idle-reaped mid-hook.
Anthropic · Claude CodeFixed a bug where useChat was using a stale transport instead of the latest one, and nullish chat IDs are now treated the same as omitted I…
Vercel · AI SDK