PGNexus Daily News PostgreSQL Technical Articles [image: The Canvas or the Function: AIDB vs. Langflow for Agentic AI Ops on EDB Postgres AI] <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fenterprisedb.com%2Fblog%2Fca...> enterprisedb.com The Canvas or the Function: AIDB vs. Langflow for Agentic AI Ops on EDB Postgres AI <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fenterprisedb.com%2Fblog%2Fca...> EDB Postgres AI supports two approaches for agentic AI workloads: AIDB, a native PostgreSQL extension that runs retrieval and inference entirely within the database, and Langflow,… Read the Blog <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fenterprisedb.com%2Fblog%2Fca...> [image: Announcing E-Maj 5.0.0.] <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.postgresql.org%2Fabout%2...> www.postgresql.org Announcing E-Maj 5.0.0. <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.postgresql.org%2Fabout%2...> E-Maj 5.0.0 has been released, a PostgreSQL extension for fine-grained write logging and time travel on database subsets. Key changes include support for non-superuser roles to in… Read the Blog <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.postgresql.org%2Fabout%2...> [image: pgBackRest 2.59.0 Released] <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.postgresql.org%2Fabout%2...> www.postgresql.org pgBackRest 2.59.0 Released <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.postgresql.org%2Fabout%2...> pgBackRest 2.59.0 was released on July 30, 2026. Key additions include PostgreSQL 19 support, a new `archive-expire-before` option for WAL archive cleanup, S3 Outposts and S3 proc… Read the Blog <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.postgresql.org%2Fabout%2...> [image: pgAdmin 4 v9.17 Released] <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.postgresql.org%2Fabout%2...> www.postgresql.org pgAdmin 4 v9.17 Released <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.postgresql.org%2Fabout%2...> pgAdmin 4 v9.17 has been released with 28 bug fixes and new features. Security patches address seven CVEs, covering tool-permission bypasses, OS command injection via MASTER_PASSW… Read the Blog <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.postgresql.org%2Fabout%2...> PostgreSQL Hackers Email Discussion Highlights Add a hook for handling logical decoding messages on subscribers. <https://pgnexus.ai/hacker-discussions?subject=Add%20a%20hook%20for%20handlin...> Masahiko Sawada proposed a hook (LogicalRepMessageHandle_hook) allowing subscriber-side extensions to process logical decoding messages during logical replication. Use cases inclu… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=Add%20a%20hook%20for%20handlin...> 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> Melanie Plageman committed a patch related to VM (visibility map) buffer handling in WAL records. Coverity flagged a Coverity issue (CID 1697133) in `heap_page_fix_vm_corruption()… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=Why%20clearing%20the%20VM%20doesn't%20require%20registering%20vm%20buffer%20in%20wal%20record> Bug: XLogReader mishandles oversized multi-page xl_tot_len (potential memory corruption) <https://pgnexus.ai/hacker-discussions?subject=Bug%3A%20XLogReader%20mishandl...> The discussion concerns a bug where XLogReader mishandles oversized multi-page `xl_tot_len` values, potentially causing memory corruption. Matthias van de Meent submitted fixes ad… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=Bug%3A%20XLogReader%20mishandl...> CREATE SUBSCRIPTION ... SERVER vs. pg_dump, etc. <https://pgnexus.ai/hacker-discussions?subject=CREATE%20SUBSCRIPTION%20...%20...> The thread discusses patches for `CREATE SUBSCRIPTION ... SERVER` and related behaviors. Jeff Davis posted a v4 series after agreeing with Amit Kapila that edge cases around `disa… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=CREATE%20SUBSCRIPTION%20...%20...> explain plans for foreign servers <https://pgnexus.ai/hacker-discussions?subject=explain%20plans%20for%20foreig...> Bharath Rupireddy reviewed Dinesh Salve's v6 patch for exposing explain plans from foreign servers via postgres_fdw. The patch aims to help analyze query performance in distribute… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=explain%20plans%20for%20foreig...> [GSoC 2026] - B-tree Index Bloat Reduction - Approach & Questions <https://pgnexus.ai/hacker-discussions?subject=%5BGSoC%202026%5D%20-%20B-tree...> A GSoC 2026 contributor (Salma El-Sayed) has shared a v1 proof-of-concept patch series (3 patches) for B-tree leaf page merging in PostgreSQL. The design merges adjacent pages sha… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=%5BGSoC%202026%5D%20-%20B-tree...> Click here for the full Hacker discussion highlights <https://pgnexus.ai/daily-updates?file=2026-08-04-postgresql-daily-news-228.m...> Industry News [image: Anthropic signs $10B deal with AI cloud startup Volta] <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F08%2F...> techcrunch.com Anthropic signs $10B deal with AI cloud startup Volta <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F08%2F...> Anthropic has signed a reported $10 billion deal with AI cloud startup Volta, marking the latest in a series of cloud partnerships for the AI company. The agreement reflects Anthr… [image: Apple says more ex-employees may have taken confidential data to OpenAI] <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F08%2F...> techcrunch.com Apple says more ex-employees may have taken confidential data to OpenAI <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F08%2F...> Apple has widened its trade secrets investigation into OpenAI, claiming in a new court filing that additional former employees may have retained or improperly accessed confidentia… [image: Nvidia-led Open Secure AI Alliance shows rapid progress one week after launch] <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F08%2F...> techcrunch.com Nvidia-led Open Secure AI Alliance shows rapid progress one week after launch <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F08%2F...> The Open Secure AI Alliance, spearheaded by Nvidia and launched just one week ago, has already grown to over 120 member companies and released early proposals for defending agains… Social Media Updates linkedin pg_hardstorage turned up on 'Scaling Postgres' recently. <https://pgnexus.ai/social-media?url=https%3A%2F%2Fwww.linkedin.com%2Fposts%2...> pg_hardstorage was recently featured on the Scaling Postgres podcast. The episode demonstrates how to install it on a live database, run it alongside existing backup scripts, and… [image: Today, we're announcing General Availability of Unity AI Gateway, giving enterprises the cost, control, and choice they need to manage AI spend and enforce security across every AI agent and asset.] <https://pgnexus.ai/social-media?url=https%3A%2F%2Fwww.linkedin.com%2Fposts%2...> linkedin Today, we're announcing General Availability of Unity AI Gateway, giving enterprises the cost, control, and choice they need to manage AI spend and enforce security across every AI agent and asset. <https://pgnexus.ai/social-media?url=https%3A%2F%2Fwww.linkedin.com%2Fposts%2...> Unity AI Gateway is now generally available, offering enterprises centralized control over AI costs, security, and governance. Thousands of customers are already using it, with ov… [image: Databricks joins the Open Secure AI Alliance to advance AI safety and security, alongside NVIDIA and other industry leaders.] <https://pgnexus.ai/social-media?url=https%3A%2F%2Fwww.linkedin.com%2Fposts%2...> linkedin Databricks joins the Open Secure AI Alliance to advance AI safety and security, alongside NVIDIA and other industry leaders. <https://pgnexus.ai/social-media?url=https%3A%2F%2Fwww.linkedin.com%2Fposts%2...> Databricks has joined the Open Secure AI Alliance, alongside NVIDIA and other industry leaders, with the shared belief that AI safety and security research should be conducted and… Want to stay up to date with the PostgreSQL community and industry news? Visit PGNexus <https://pgnexus.ai> to learn more