Description: Mongo source - sample a collection to find the columns it delivers.
Changes
- Mongo source - sample a collection to find the columns it delivers (#4262).
- UC worker - build the changelog’s current-state object ourselves, on the customer’s warehouse (#4316).
- Mongo source - create one from the wizard, columns and all (#4263).
- Connector logs - a DLT connector’s log panel stops writing a stack trace per poll (#4321).
- Front - An advanced subscription option the API drops is no longer offered (#4287).
- [QA] Kodansu conformance matrix brought up to date: alpha.20 vs Kafka 4.1.0 (#4323).
- [tooling] /ui — sign a browser into the local plane, drive it through the Playwright MCP, prove it (#4331).
- Make local test runs fast again, and green again on Node 25 (#4332).
- Datagen - the source form stops arriving with Connect disabled (#4342).
- [SEC][4324] Worker config - only the connector’s own worker may read it (#4351).
- Front - A finished backfill is reachable from the source’s Last sync (#4352).
- Connectors - an environment admin can manage every connector (#4353).
- Switch oracle_source and mongo_source to oracle-native builder + bump versions (#4330).