PGNexus Daily News PostgreSQL Technical Articles [image: My agent cloned GitHub (sort of) using the Neon backend] <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fneon.com%2Fblog%2Fmy-agent-c...> Roman Zaynetdinov My agent cloned GitHub (sort of) using the Neon backend <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fneon.com%2Fblog%2Fmy-agent-c...> An engineer asked an AI agent to build a functional Git hosting service using Neon's new backend suite (currently in beta) during a GitHub outage. Despite having no prior knowledg… Read the Blog <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fneon.com%2Fblog%2Fmy-agent-c...> [image: When AI Agents Act on Their Own, Where Does the Damage Stop?] <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fenterprisedb.com%2Fblog%2Fag...> enterprisedb.com When AI Agents Act on Their Own, Where Does the Damage Stop? <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fenterprisedb.com%2Fblog%2Fag...> Agentic AI systems that act autonomously introduce significant security risks, as demonstrated by a recent AI agent hacking incident. The article argues that database-level contro… Read the Blog <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fenterprisedb.com%2Fblog%2Fag...> PostgreSQL Hackers Email Discussion Highlights Remove redundant DISTINCT when GROUP BY already guarantees uniqueness <https://pgnexus.ai/hacker-discussions?subject=Remove%20redundant%20DISTINCT%...> Ilia Evdokimov submitted patches building on the UniqueKeys approach to remove redundant DISTINCT when GROUP BY guarantees uniqueness. The patch series (0001–0009) fixes multiple… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=Remove%20redundant%20DISTINCT%...> 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 concurrent DROP TABLE occurs. Masahiko Sawada had previously suggested replacing a TAP test in 1… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=Fix%20race%20condition%20in%20...> Add pg_stat_kind_info system view <https://pgnexus.ai/hacker-discussions?subject=Add%20pg_stat_kind_info%20syst...> The discussion concerns adding a `pg_stat_kind_info` system view exposing metadata about PostgreSQL statistics kinds. The latest exchange focuses on two documentation concerns rai… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=Add%20pg_stat_kind_info%20syst...> Historic snapshot doesn't track txns committed in BUILDING_SNAPSHOT state <https://pgnexus.ai/hacker-discussions?subject=Historic%20snapshot%20doesn't%20track%20txns%20committed%20in%20BUILDING_SNAPSHOT%20state> The discussion concerns a bug where historic snapshots fail to track transactions committed during the BUILDING_SNAPSHOT state in logical replication. ChangAo Chen proposed a fix… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=Historic%20snapshot%20doesn't%20track%20txns%20committed%20in%20BUILDING_SNAPSHOT%20state> BUG: ReadStream look-ahead exhausts local buffers when effective_io_concurrency>=64 <https://pgnexus.ai/hacker-discussions?subject=BUG%3A%20ReadStream%20look-ahe...> The thread concerns a bug where ReadStream's look-ahead exhausts local buffers when `effective_io_concurrency>=64`. Feike Steenbergen reports the issue persisting across all `io_m… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=BUG%3A%20ReadStream%20look-ahe...> Fix missing FORMAT when deparsing JSON_ARRAY(query) <https://pgnexus.ai/hacker-discussions?subject=Fix%20missing%20FORMAT%20when%...> Chao Li reported that deparsing a `JSON_ARRAY(subquery)` view omits the `FORMAT JSON` clause, causing re-execution of the deparsed SQL to produce different results. The root cause… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=Fix%20missing%20FORMAT%20when%...> Click here for the full Hacker discussion highlights <https://pgnexus.ai/daily-updates?file=2026-07-23-postgresql-daily-news-216.m...> Industry News [image: Anthropic Updates Claude Voice Mode with More Capable Models] <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F07%2F...> techcrunch.com Anthropic Updates Claude Voice Mode with More Capable Models <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F07%2F...> Anthropic has updated Claude's voice mode with more capable AI models, expanding its functionality beyond simple conversation. The upgraded voice model can now handle practical ta… [image: AI Chip Startup Etched Hits $10.3B Valuation with Backing from Major Investors] <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F07%2F...> techcrunch.com AI Chip Startup Etched Hits $10.3B Valuation with Backing from Major Investors <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F07%2F...> AI chip startup Etched, founded by three Harvard dropouts, has reached a $10.3 billion valuation following investment from prominent backers. The company has developed new chips a… [image: AMD Takes on Nvidia with Helios AI Rack-Scale System] <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F07%2F...> techcrunch.com AMD Takes on Nvidia with Helios AI Rack-Scale System <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F07%2F...> AMD has unveiled the Helios, a new rack-scale AI system designed to compete directly with Nvidia's dominant AI hardware offerings. The system is set to begin shipping to customers… Social Media Updates linkedin What if the longer you drove your car, the better it got? <https://pgnexus.ai/social-media?url=https%3A%2F%2Fwww.linkedin.com%2Fposts%2...> Rivian's Director of Big Data & AI, Michael Flynn, describes how the company collects tens of thousands of telemetry, sensor, and video data points from its vehicles into a lakeho… [image: High availability within a single Kubernetes cluster is great, but what happens if an entire region goes down?] <https://pgnexus.ai/social-media?url=https%3A%2F%2Fwww.linkedin.com%2Fposts%2...> linkedin High availability within a single Kubernetes cluster is great, but what happens if an entire region goes down? <https://pgnexus.ai/social-media?url=https%3A%2F%2Fwww.linkedin.com%2Fposts%2...> High availability within a single Kubernetes cluster addresses many failure scenarios, but a full regional outage requires a different approach. CYBERTEC engineer Wellingtone Luvo… [image: We're expanding our decade-long strategic partnership with Microsoft through the 2030s to help enterprises build AI grounded in their own business context.] <https://pgnexus.ai/social-media?url=https%3A%2F%2Fwww.linkedin.com%2Fposts%2...> linkedin We're expanding our decade-long strategic partnership with Microsoft through the 2030s to help enterprises build AI grounded in their own business context. <https://pgnexus.ai/social-media?url=https%3A%2F%2Fwww.linkedin.com%2Fposts%2...> Databricks is expanding its long-standing strategic partnership with Microsoft through the 2030s. Databricks will deepen its use of Azure Databricks and Azure Cobalt, while Micros… Want to stay up to date with the PostgreSQL community and industry news? Visit PGNexus <https://pgnexus.ai> to learn more