- Introduced AutoMaterializePolicy to replace asset reconciliation sensors and made Pythonic config/resources stable, with resources now auto‑bound to jobs (breaking change).
- Added new UI asset backfill page, clearer change labels (code/data/dependencies) and richer asset status info, plus performance improvements for partition caching and multi‑asset sensors.
- Expanded Pythonic resource system with new AWS, Datadog, GitHub, Slack, etc. resources, updated docs/tutorials, and delivered numerous bug fixes.