Administration

The PostgreSQL 18.2 minor-release train introduced regressions in substring() and WAL replay. Hold off on fresh deployments and upgrades, then update promptly after the out-of-cycle releases ship on 2026-02-26.

A deep dive into the SOTA approach for PostgreSQL HA. RTO/RPO breakdown, from theory to production. If you’re still wrestling with PG HA, this might save you years.