PostgreSQL 19, normally released around September or October, is running late and is not expected before November, with a longer delay possible. Developer Robert Haas attributes the slippage partly to a sharp increase in bug reports and proposed patches produced by AI and large language model tools. These tools can help identify defects and draft fixes, but their suggestions still require human assessment: proposed changes may be wrong or fail to meet PostgreSQL’s coding and project standards. The resulting review and correction work has added pressure without increasing the number of people available to handle it.
The extra bug traffic has also affected release preparation in two ways. Developers have spent more time fixing newly identified problems, while work that would normally go toward reviewing PostgreSQL 19 has been diverted to security fixes and other bug backports for older supported versions. With less time to assess the new release, the team took longer to determine which changes needed to be reverted before shipping. Haas links this strain to the late reverts as well as the schedule delay. The account presents AI-assisted contribution not simply as a source of useful fixes, but as a volume of material that can overwhelm maintainers when every report and patch still demands careful human review.
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