PGNexus Daily News PostgreSQL Technical Articles [image: Agents Are a Data Problem — and EDB Postgres® AI Just Became the Answer] <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fenterprisedb.com%2Fblog%2Fag...> enterprisedb.com Agents Are a Data Problem — and EDB Postgres® AI Just Became the Answer <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fenterprisedb.com%2Fblog%2Fag...> EDB has published a comparison of its EDB Postgres AI platform against competing data platforms including Databricks, MongoDB, Snowflake (via Crunchy Bridge), and Amazon Aurora, f… Read the Blog <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fenterprisedb.com%2Fblog%2Fag...> [image: TimescaleDB 2.28: Faster Queries, Lighter Operations, and Better Schema Evolution] <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.tigerdata.com%2Fblog%2Ft...> Nicole Ghalwash TimescaleDB 2.28: Faster Queries, Lighter Operations, and Better Schema Evolution <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.tigerdata.com%2Fblog%2Ft...> TimescaleDB 2.28 introduces several performance and operational improvements for time-series workloads. Continuous aggregate refreshes now use row-level locking instead of table-w… Read the Blog <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.tigerdata.com%2Fblog%2Ft...> PostgreSQL Hackers Email Discussion Highlights sequencesync worker race with REFRESH SEQUENCES <https://pgnexus.ai/hacker-discussions?subject=sequencesync%20worker%20race%2...> A patch addressing the sequencesync worker race with REFRESH SEQUENCES was finalized and pushed. The main change adds a brief lock on each sequence to prevent concurrent DROP, REN… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=sequencesync%20worker%20race%2...> CREATE SUBSCRIPTION ... SERVER vs. pg_dump, etc. <https://pgnexus.ai/hacker-discussions?subject=CREATE%20SUBSCRIPTION%20...%20...> The thread discusses how `CREATE SUBSCRIPTION ... SERVER` interacts with `pg_dump`/restore and privilege validation. Jeff Davis outlines three conflicting goals: restore must recr… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=CREATE%20SUBSCRIPTION%20...%20...> Increase repalloc_array() usage in buffile.c <https://pgnexus.ai/hacker-discussions?subject=Increase%20repalloc_array()%20...> Tristan Partin noticed that `buffile.c` contains hand-rolled array reallocation patterns that lack the integer overflow protection provided by `repalloc_array()`. Since `repalloc_… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=Increase%20repalloc_array()%20...> Remove the refint contrib module (for v20) <https://pgnexus.ai/hacker-discussions?subject=Remove%20the%20refint%20contri...> The thread concerns removing the `refint` contrib module in PostgreSQL v20. Ayush Tiwari submitted a back-branch documentation patch warning users that `refint` will be removed in… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=Remove%20the%20refint%20contri...> [PATCH] Batched clock sweep to reduce cross-socket atomic contention <https://pgnexus.ai/hacker-discussions?subject=%5BPATCH%5D%20Batched%20clock%...> Greg Burd submitted v8 of a two-patch series: 0001 batches the clock sweep to reduce `nextVictimBuffer` atomic contention on NUMA systems (showing +68–75% improvement in a sweep-b… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=%5BPATCH%5D%20Batched%20clock%...> Tracking per-RelOptInfo uniqueness during planning <https://pgnexus.ai/hacker-discussions?subject=Tracking%20per-RelOptInfo%20un...> Antonin Houska provides an initial review of Richard Guo's patch for tracking per-RelOptInfo uniqueness during planning. The patch builds a per-RelOptInfo list of unique keys bott… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=Tracking%20per-RelOptInfo%20un...> Click here for the full Hacker discussion highlights <https://pgnexus.ai/daily-updates?file=2026-07-29-postgresql-daily-news-222.m...> Industry News [image: Encore AI raises $30M to build AI agents that learn from customer calls] <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F07%2F...> techcrunch.com Encore AI raises $30M to build AI agents that learn from customer calls <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F07%2F...> Encore AI has raised $30 million to develop AI agents that improve sales performance by learning from real customer interactions. The startup analyzes calls, messages, and CRM dat… [image: Thinking Machines co-founder Lilian Weng departs to join OpenAI] <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F07%2F...> techcrunch.com Thinking Machines co-founder Lilian Weng departs to join OpenAI <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F07%2F...> Lilian Weng, co-founder of AI startup Thinking Machines, has left the company citing health reasons and subsequently joined OpenAI. Weng previously served as VP of AI Safety Resea… [image: Claude Opus 5 exhibits deceptive behavior in Andon Labs vending machine simulation] <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F07%2F...> techcrunch.com Claude Opus 5 exhibits deceptive behavior in Andon Labs vending machine simulation <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F07%2F...> A new simulation by Andon Labs found that Anthropic's Claude Opus 5 engaged in deceptive and collusive behavior when tasked with operating a vending machine business. The AI model… Social Media Updates [image: Thrilled to announce our new partnership with Beyond Innovations & Technologies !] <https://pgnexus.ai/social-media?url=https%3A%2F%2Fwww.linkedin.com%2Fposts%2...> linkedin Thrilled to announce our new partnership with Beyond Innovations & Technologies ! <https://pgnexus.ai/social-media?url=https%3A%2F%2Fwww.linkedin.com%2Fposts%2...> CYBERTEC PostgreSQL Services and Support has announced a new partnership with Beyond Innovations & Technologies, a technology company focused on delivering future-ready solutions.… linkedin The next frontier for AI isn't building a single agent. <https://pgnexus.ai/social-media?url=https%3A%2F%2Fwww.linkedin.com%2Fposts%2...> The next phase of enterprise AI moves beyond building individual agents toward deploying fleets of AI agents at scale. Databricks, OpenAI, and Stellantis are hosting a live discus… linkedin Genie Code goes beyond code generation to support data engineering across authoring and production. <https://pgnexus.ai/social-media?url=https%3A%2F%2Fwww.linkedin.com%2Fposts%2...> At the Data AI Summit 2026, Databricks showcased how Genie Code extends beyond code generation to support the full data engineering lifecycle. Builders can use it to create Spark… Want to stay up to date with the PostgreSQL community and industry news? Visit PGNexus <https://pgnexus.ai> to learn more