PGNexus Daily News PostgreSQL Technical Articles [image: pg_qualstats 2.1.4 is out!] <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.postgresql.org%2Fabout%2...> www.postgresql.org pg_qualstats 2.1.4 is out! <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.postgresql.org%2Fabout%2...> pg_qualstats 2.1.4 has been released by the PoWA team. This PostgreSQL extension tracks statistics on predicates in WHERE clauses and JOIN conditions. The update includes a bug fi… Read the Blog <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.postgresql.org%2Fabout%2...> [image: pg_stat_kcache 2.3.2 is out!] <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.postgresql.org%2Fabout%2...> www.postgresql.org pg_stat_kcache 2.3.2 is out! <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.postgresql.org%2Fabout%2...> pg_stat_kcache 2.3.2 has been released by the PoWA team. This extension collects filesystem-level read/write statistics and CPU usage data for PostgreSQL. The update adds compatib… Read the Blog <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.postgresql.org%2Fabout%2...> [image: pgEdge Announces ColdFront for PostgreSQL, Seamlessly Uniting AI, Analytical and OLTP Workloads] <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.postgresql.org%2Fabout%2...> www.postgresql.org pgEdge Announces ColdFront for PostgreSQL, Seamlessly Uniting AI, Analytical and OLTP Workloads <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.postgresql.org%2Fabout%2...> pgEdge has announced ColdFront, an open-source PostgreSQL extension providing transparent data tiering between hot PostgreSQL storage and cold Apache Iceberg (Parquet on S3-compat… Read the Blog <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.postgresql.org%2Fabout%2...> [image: IvorySQL 5.4 Released - Based on PostgreSQL 18.4 with AI Skills] <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.postgresql.org%2Fabout%2...> www.postgresql.org IvorySQL 5.4 Released - Based on PostgreSQL 18.4 with AI Skills <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.postgresql.org%2Fabout%2...> IvorySQL 5.4 has been released, based on PostgreSQL 18.4 and inheriting all upstream fixes from that version. Key additions include IvorySQL Skills, which integrates AI assistant… Read the Blog <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.postgresql.org%2Fabout%2...> [image: PGDay.UK 2026: Schedule up, registration open] <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.postgresql.org%2Fabout%2...> www.postgresql.org PGDay.UK 2026: Schedule up, registration open <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.postgresql.org%2Fabout%2...> PGDay.UK 2026 is scheduled for September 8, 2026, at the Cavendish Conference Centre in London. The event will feature seven speakers and seven talks. Registration is now open, wi… Read the Blog <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.postgresql.org%2Fabout%2...> PostgreSQL Hackers Email Discussion Highlights Row pattern recognition <https://pgnexus.ai/hacker-discussions?subject=Row%20pattern%20recognition> Henson Choi posted two follow-ups to the Row Pattern Recognition (RPR) patch thread. First, he noted that Haibo Yan's patch series adding DISTINCT support to plain aggregate windo… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=Row%20pattern%20recognition> Improve pg_stat_statements scalability <https://pgnexus.ai/hacker-discussions?subject=Improve%20pg_stat_statements%2...> Sami Imseih provides an update on improving pg_stat_statements scalability after a period of silence. He explains that passing a context flag to flush callbacks is unnecessary, si… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=Improve%20pg_stat_statements%2...> enhance wraparound warnings <https://pgnexus.ai/hacker-discussions?subject=enhance%20wraparound%20warning...> The discussion centers on refining the wording of PostgreSQL transaction ID wraparound warning messages. Fujii Masao updated patches to use phrasing like "Approximately X% of tran… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=enhance%20wraparound%20warning...> Handle concurrent drop when doing whole database vacuum <https://pgnexus.ai/hacker-discussions?subject=Handle%20concurrent%20drop%20w...> The thread discusses how to handle concurrent relation drops during a whole-database VACUUM. Michael Paquier proposed moving the ACL check out of `get_all_vacuum_rels()` and alway… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=Handle%20concurrent%20drop%20w...> Fix race condition in pg_get_publication_tables with concurrent DROP TABLE <https://pgnexus.ai/hacker-discussions?subject=Fix%20race%20condition%20in%20...> The thread discusses fixing a race condition in `pg_get_publication_tables` when a table is dropped concurrently. The agreed fix is to call `try_table_open()` for all tables regar… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=Fix%20race%20condition%20in%20...> Why clearing the VM doesn't require registering vm buffer in wal record <https://pgnexus.ai/hacker-discussions?subject=Why%20clearing%20the%20VM%20doesn't%20require%20registering%20vm%20buffer%20in%20wal%20record> The discussion concerns why clearing the visibility map (VM) does not require registering the VM buffer in the WAL record. Melanie Plageman submitted v3 patches (targeting Postgre… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=Why%20clearing%20the%20VM%20doesn't%20require%20registering%20vm%20buffer%20in%20wal%20record> Click here for the full Hacker discussion highlights <https://pgnexus.ai/daily-updates?file=2026-06-26-postgresql-daily-news-189.m...> Industry News techcrunch.com OpenAI Poaches Uber India Chief to Lead India Operations <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F06%2F...> OpenAI has hired the former head of Uber India to lead its operations in India, the company's largest market outside the United States. The move is part of OpenAI's broader push i… [image: OpenAI Limits GPT-5.6 Rollout After U.S. Government Request] <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F06%2F...> techcrunch.com OpenAI Limits GPT-5.6 Rollout After U.S. Government Request <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F06%2F...> OpenAI has restricted the rollout of its latest model, GPT-5.6, following a request from the Trump administration over safety concerns. Rather than releasing it to the general pub… [image: Russian Hackers Linked to $2.5B Jaguar Land Rover Cyberattack] <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F06%2F...> techcrunch.com Russian Hackers Linked to $2.5B Jaguar Land Rover Cyberattack <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F06%2F...> A new report attributes the massive cyberattack on Jaguar Land Rover to Russian hackers. Described as one of the most disruptive, damaging, and costly hacks in recent years, the b… Social Media Updates linkedin Will we be seeing you at GITEX AI EUROPE - Europe's Leading Tech & AI Event ? <https://pgnexus.ai/social-media?url=https%3A%2F%2Fwww.linkedin.com%2Fposts%2...> GITEX AI EUROPE will be held in Berlin, Germany's largest German-speaking city. Attendees who have time to explore the city are encouraged to visit landmarks such as the Brandenbu… [image: how will I recognize you at the conference?] <https://pgnexus.ai/social-media?url=https%3A%2F%2Fwww.linkedin.com%2Fposts%2...> linkedin how will I recognize you at the conference? <https://pgnexus.ai/social-media?url=https%3A%2F%2Fwww.linkedin.com%2Fposts%2...> At a conference, someone asks how they will recognize another attendee. The response is simple: they will be wearing blue and yellow, referencing those specific colors as a way to… linkedin You relied on PostgreSQL today without knowing it. <https://pgnexus.ai/social-media?url=https%3A%2F%2Fwww.linkedin.com%2Fposts%2...> PostgreSQL operates silently behind many critical systems people use daily, including hospitals, train networks, factories, and payment platforms. Despite rarely being visible to… Want to stay up to date with the PostgreSQL community and industry news? Visit PGNexus <https://pgnexus.ai> to learn more