Robert Haas: Postgres 19 is late, and it's AI's fault

Over the past decade, the timing of PostgreSQL major releases has become very predictable: no earlier than the middle of September, and no later than the middle of October. This year is going to be different. PostgreSQL 19 most likely won’t be released until November, and it’s not impossible that the project could decide to postpone the release further. Moreover, this year, several rather large features were reverted quite late in the beta period: UPDATE/DELETE FOR PORTION OF , SQL Property Graph Queries (SQL/PGQ), and ALTER TABLE … MERGE PARTITION/SPLIT PARTITION were all reverted between Aug