Google Cloud has summarized its PostgreSQL engineering contributions from July–December 2025, focusing on logical replication, upgrade reliability, and system stability. Key advances include automatic conflict detection for active-active replication setups, extension of logical replication to cover sequences, and fixes to self-deadlocks in subscription management. Improvements to pg_upgrade reduce upgrade times for large deployments by better handling large objects and preserving WAL data. The work also includes bug fixes for index page handling, extension loading, and WAL flush logic. Future work targets a structured conflict log, parallel pg_dump exports, and large-scale data handling improvements. Community reactions are mixed, with some praising the enterprise signal and others cautioning about consistency model trade-offs compared to distributed SQL systems.
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