PrefectHQ/prefect 3.4.20

3.4.20 - Search Party

on GitHub

Released on September 25, 2025

Enhancements ➕➕

• Add text search for events and logs filtering by @chrisguidry in #19011
• Vertical scale prefect server with workers by @hanhwanglim in #18876

Bug Fixes 🐞

• Add polling fallback for FlowRunCancellingObserver by @desertaxle in #19017
• Fix pydantic-settings 2.11+ compatibility warnings by @zzstoatzz in #19029

Development & Tidiness 🧹

• Fix documentation links in server code docstrings by @zzstoatzz in #19030

Documentation 📓

• Improve tag-based concurrency limits documentation by @desertaxle in #18990
• Correct a typo and incorrect link to a header by @Baitur5 in #19015
• Fix profiles path docs in settings ref by @hanhwanglim in #19018
• Add LLM-friendly docs section by @desertaxle in #19012

Full Changelog: 3.4.19...3.4.20