- Runner now disables automatic dependency installation for pulled‑code deployments; re‑enable via PREFECT_RUNNER_AUTO_INSTALL_DEPENDENCIES=true (opt‑in change).
- Added configurable WebSocket ping interval/timeout for uvicorn and activated a scheduler partial index to speed up scheduling queries; also lazified prefect.server exports for faster imports.
- Implemented numerous bug fixes (pydantic lower bound, reconnect overflow guard, ZeroDivisionError protection, API URL redaction, metadata preservation, etc.) and bumped Starlette to 1.2.0 to fix CVE‑2026‑48710.