TypeScript SDK (qstash-js) and Python SDK (qstash-py):
Added flow control management API: list(), get(key), and reset(key) methods on client.flowControl (TypeScript) and client.flow_control (Python). The get and list responses now include rich metrics: waitListSize, parallelismMax, parallelismCount, rateMax, rateCount, ratePeriod, and ratePeriodStart. See the Flow Control docs for code examples.
QStash Server:
GET /v2/flowControl now supports an optional search query parameter to filter keys by name. New POST /v2/flowControl/:flowControlKey/reset endpoint resets parallelism and rate counters for a key. GET /v2/globalParallelism now returns { parallelismMax, parallelismCount } instead of the old { waitListSize } shape.
Fetched April 8, 2026