Based on the research, here are the key differences between version 3.4.8.dev5 and 3.4.10: 1. Concurrency Management Improvements: - Both async and sync concurrency context managers were updated to use leases - Added tracking of concurrency limit lease creation time for better occupancy calculation 2. UI and Dependencies: - Updated @prefecthq/prefect-ui-library to version 3.13.1 - Updated form-data dependency 3. Documentation: - Added documentation updates, including notes about PREFECT_API_KEY in the ECS guide As for where you can see update descriptions, there are several places: 1. GitHub Releases: - The most detailed changelog can be found on GitHub in the releases section: https://github.com/PrefectHQ/prefect/releases - You can compare specific versions using GitHub's compare view: https://github.com/PrefectHQ/prefect/compare/3.4.9...3.4.10 2. PyPI: - The Python Package Index (PyPI) page for Prefect also lists releases: https://pypi.org/project/prefect/ 3. Documentation: - The official Prefect documentation includes release notes for major versions For the most detailed and up-to-date information about specific version changes, I recommend checking the GitHub releases page, as it contains the most comprehensive changelog for each version. Would you like me to provide more specific details about any of these changes or help you understand how they might affect your workflows?