Hacker News AIT2·74 pts
- Data branching ships as a single Postgres extension with no copies or second database, supporting PG 15-18 plus RDS, Aurora and Supabase
- Offers row- and field-level diffs, type-aware three-way merge and merge undo, with conflicts surfaced as rows
- An accompanying MCP server lets agents explore schemas, trial changes and rewind branches to checkpoints