PGNexus Daily News PostgreSQL Technical Articles [image: Custom domains for Neon Functions] <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fneon.com%2Fblog%2Fcustom-dom...> Carlota Soto Custom domains for Neon Functions <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fneon.com%2Fblog%2Fcustom-dom...> Neon Functions, currently in beta, previously exposed endpoints only via auto-generated invocation URLs. Neon has added custom domain support, allowing users to map their own doma… Read the Blog <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fneon.com%2Fblog%2Fcustom-dom...> [image: Your Neon Functions can now run on a schedule] <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fneon.com%2Fblog%2Fyour-neon-...> Mike Jerome Your Neon Functions can now run on a schedule <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fneon.com%2Fblog%2Fyour-neon-...> Neon Functions now support scheduled execution, removing the need for external schedulers to trigger backend jobs. Previously, functions could only be invoked via HTTP requests, w… Read the Blog <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fneon.com%2Fblog%2Fyour-neon-...> PostgreSQL Hackers Email Discussion Highlights [PATCH] Release replication slot on error in SQL-callable slot functions <https://pgnexus.ai/hacker-discussions?subject=%5BPATCH%5D%20Release%20replic...> Bharath Rupireddy submitted v19 patches (including backbranch versions) for a fix that releases replication slots on error in SQL-callable slot functions. The v19 update is a mino… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=%5BPATCH%5D%20Release%20replic...> Support for 8-byte TOAST values, round two <https://pgnexus.ai/hacker-discussions?subject=Support%20for%208-byte%20TOAST...> The thread follows up on the recently applied patch set adding 8-byte TOAST value support. John Naylor noted that doc/src/sgml/limits.sgml still needs updating. Bharath Rupireddy… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=Support%20for%208-byte%20TOAST...> pg_walinspect: fix LSN validation messages and empty range handling <https://pgnexus.ai/hacker-discussions?subject=pg_walinspect%3A%20fix%20LSN%2...> Chao Li identified two issues in pg_walinspect: (1) commit 5c1b6628075a relaxed LSN validation checks from `>=` to `>` but left error messages saying "must be less than current LS… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=pg_walinspect%3A%20fix%20LSN%2...> [PATCH] Explain what the default output_plugin_libraries do <https://pgnexus.ai/hacker-discussions?subject=%5BPATCH%5D%20Explain%20what%2...> This thread discusses a documentation patch explaining what the default `output_plugin_libraries` configuration does in PostgreSQL logical replication. Hayato Kuroda submitted a r… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=%5BPATCH%5D%20Explain%20what%2...> Adding a stored generated column without long-lived locks <https://pgnexus.ai/hacker-discussions?subject=Adding%20a%20stored%20generate...> Alberto Piai used an LLM-based tool to analyze his patch for adding stored generated columns without long-lived locks, and discovered a flaw in his use of `IS NOT DISTINCT FROM`.… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=Adding%20a%20stored%20generate...> 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 focuses on a data corruption scenario involving the visibility map (VM) and `PD_ALL_VISIBLE` flag during WAL replay on standbys. When `CREATE DATABASE STRATEGY WAL_… 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=2026-09-21-postgresql-daily-news-276.m...> Industry News [image: Meta's Muse AI Agent Outpaces ChatGPT's Early Mobile Launch in Downloads] <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F09%2F...> techcrunch.com Meta's Muse AI Agent Outpaces ChatGPT's Early Mobile Launch in Downloads <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F09%2F...> Meta's new AI agent Muse has accumulated more downloads and daily active users in the U.S. and Canada than ChatGPT did during the same post-launch period after its mobile debut, a… [image: OpenAI Forms Math Advisory Group as AI Resolves Over 100 Open Problems] <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F09%2F...> techcrunch.com OpenAI Forms Math Advisory Group as AI Resolves Over 100 Open Problems <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F09%2F...> OpenAI has established a math advisory group following its AI's achievement of resolving more than 100 previously open mathematical problems. However, the advisory group will not… [image: Kairos Power Secures Up to $100M from Samsung Group to Build Nuclear Reactor for Google] <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F09%2F...> techcrunch.com Kairos Power Secures Up to $100M from Samsung Group to Build Nuclear Reactor for Google <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F09%2F...> Nuclear energy startup Kairos Power has secured up to $100 million from Samsung C&T to help construct its first 50-megawatt nuclear power plant, which is intended to supply energy… Social Media Updates [image: More memory?] <https://pgnexus.ai/social-media?url=https%3A%2F%2Fwww.linkedin.com%2Fposts%2...> linkedin More memory? <https://pgnexus.ai/social-media?url=https%3A%2F%2Fwww.linkedin.com%2Fposts%2...> The CYBERTEC PG Operator simplifies common PostgreSQL cluster management tasks on Kubernetes. Operations such as increasing memory, adding replicas, or upgrading to a new minor ve… [image: Give AI the right business context, and it can deliver more trusted answers and help teams take action with confidence.] <https://pgnexus.ai/social-media?url=https%3A%2F%2Fwww.linkedin.com%2Fposts%2...> linkedin Give AI the right business context, and it can deliver more trusted answers and help teams take action with confidence. <https://pgnexus.ai/social-media?url=https%3A%2F%2Fwww.linkedin.com%2Fposts%2...> An upcoming webinar on Wednesday, Sept. 23 will cover how to give AI the right business context to deliver more reliable answers and enable confident decision-making. Topics inclu… Want to stay up to date with the PostgreSQL community and industry news? Visit PGNexus <https://pgnexus.ai> to learn more