PostgreSQL 19 slips to November as LLM-assisted code review floods committers with edge cases
sanjaykalra · x · 2026-10-21
PostgreSQL 19, originally due in late September or early October, now targets November 19, with 8-10 significant features reverted to PostgreSQL 20 — including SQL/PGQ, the graph query capability added to the SQL standard in 2023.
Peter Eisentraut, PostgreSQL committer and VP at EDB, explained the mechanics: AI reviewers surfaced a long tail of small edge-case issues very quickly, and each carries a fixed triage-and-fix overhead regardless of fix size — "and then you run out of time." Several reverted features also had architectural defects hard to fix during beta; Tom Lane had already warned graph queries in v19 would likely ship bugs "unfixable until v20."
The author calls this the most honest public data point yet on AI in QE: AI review speeds up issue discovery but amplifies human time costs in handling them.
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