➔ Prefect 3.7.4 - Lifecycle Events and Cleanup Delivery
Prefect 3.7.4 was published on June 5, 2026, with a practical set of changes for teams running Prefect in production. The main user visible change is broader lifecycle event emission for domain objects, while the operator side gets more cleanup delivery work around Redis, worker channels, leases, retries, and recovery.
➔ Prefect 3.7.2 ships worker channel and cloud worker fixes
A look at what landed in PrefectHQ/prefect over the past week. The 3.7.2 release went out, the new worker channel got handshake and snapshot plumbing, and the Azure container worker finally retries on transient 5xx responses. About 53 commits across 421 files.
➔ Prefect 3.7.1 Release Notes - Worker Channel and Orchestration Fixes
PrefectHQ shipped Prefect 3.7.1 on May 16, 2026, a point release that ships the first batch of worker channel infrastructure and clears out a stack of orchestration, concurrency, and result data bugs. Anyone running self hosted workers or pinning Python 3.13 should read this one carefully.