Postgres 19 is Late, and it's AI's Fault

PostgreSQL 19 will likely be released in November rather than the usual mid-September to mid-October window, after several large features—UPDATE/DELETE FOR PORTION OF, SQL/PGQ, and ALTER TABLE … MERGE/SPLIT PARTITION—were reverted between August 27 and September 15. The author attributes the delay to LLM-driven bug discovery: between feature freeze and September 25, back-patched commits rose more than 60% year over year, and commits to the prior stable branch rose more than 74%, leaving committers stretched thin. He sees the delay as a quality-driven response but worries about how the project will keep up with decades of bugs that LLMs can now find.