August 2026 - Pgtechweeklyen - lists.ivorysql.org

PGNexus Weekly News 2026-08-26
by pgnexus Aug. 26, 2026

Aug. 26, 2026

PGNexus Weekly News This Week in PostgreSQL This week's PostgreSQL highlights span performance diagnostics, tooling, migration, and disaster recovery. A hidden EC2 single-flow TCP bandwidth cap was causing replication lag on FSx; adding nconnect=16 fixed it instantly. pg_statviz 1.2 arrives with PostgreSQL 19 support and a new blocking locks module. EDB Postgres AI delivers 180x faster disaster recovery for a banking warehouse. Migrating multilingual full-text search from SQL Server to PostgreSQL gets detailed AWS guidance covering eight languages. [image: Replication Lag on AWS FSx: The Hidden EC2 Single-Flow Bandwidth Limit] <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.percona.com%2Fblog%2Fre…> Aug 25, 2026 | Pablo Svampa Replication Lag on AWS FSx: The Hidden EC2 Single-Flow Bandwidth Limit <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.percona.com%2Fblog%2Fre…> A PostgreSQL standby on an EC2 instance using Amazon FSx over NFS experienced persistent replication lag. Despite FSx operating at roughly 50% of provisioned throughput and IOPS,… Read the Blog <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.percona.com%2Fblog%2Fre…> [image: 180x Faster Recovery: How EDB Postgres® AI Rewrote RPO/RTO Math with WarehousePG Disaster Recovery] <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fenterprisedb.com%2Fblog%2F1…> Aug 20, 2026 | enterprisedb.com 180x Faster Recovery: How EDB Postgres® AI Rewrote RPO/RTO Math with WarehousePG Disaster Recovery <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fenterprisedb.com%2Fblog%2F1…> A banking customer using logical backups faced critical issues: full backups took nearly two days, ran almost continuously, and restoring to a disaster recovery cluster required e… Read the Blog <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fenterprisedb.com%2Fblog%2F1…> [image: Migrate multilingual full-text search from SQL Server to PostgreSQL] <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Faws.amazon.com%2Fblogs%2Fda…> Aug 20, 2026 | Ken Zhang Migrate multilingual full-text search from SQL Server to PostgreSQL <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Faws.amazon.com%2Fblogs%2Fda…> This AWS blog post by Ken Zhang addresses subtle result discrepancies when migrating multilingual full-text search (FTS) from SQL Server to Aurora PostgreSQL or Amazon RDS for Pos… Read the Blog <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Faws.amazon.com%2Fblogs%2Fda…> Top 5 Hacker Discussions Logical replication dominates this cycle's discussions: a bug in conflict logging when JSON-escaping large rows is converging on a 64 KB per-column cap with omission markers; EXCEPT clause semantics for schema-based publications remain unresolved around partition trees and inheritance boundaries; and UNLOGGED table handling in publications was ultimately left unchanged. REPACK CONCURRENTLY is deferred to PG20. Row Pattern Recognition patch debates favor elog(ERROR) over Assert for production safety. Proposal: Conflict log history table for Logical Replication <https://pgnexus.ai/hacker-discussions?subject=Proposal%3A%20Conflict%20log%…> A bug was identified where logical replication breaks when `conflict_log_destination = 'table'` and a conflict involves a large row containing characters that expand significantly… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=Proposal%3A%20Conflict%20log%…> Skipping schema changes in publication <https://pgnexus.ai/hacker-discussions?subject=Skipping%20schema%20changes%2…> Vignesh C proposed a patch to handle UNLOGGED table conversions in PostgreSQL publications. The issue occurs when tables listed in publication EXCEPT clauses are converted to UNLO… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=Skipping%20schema%20changes%2…> Adding REPACK [concurrently] <https://pgnexus.ai/hacker-discussions?subject=Adding%20REPACK%20%5Bconcurre…> The discussion concerns the proposed `REPACK [CONCURRENTLY]` feature for PostgreSQL. Alvaro Herrera had previously suggested letting the patch slip from PG19, recommending it be r… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=Adding%20REPACK%20%5Bconcurre…> Row pattern recognition <https://pgnexus.ai/hacker-discussions?subject=Row%20pattern%20recognition> The discussion focuses on the Row Pattern Recognition (RPR) patchset, specifically on whether to use `Assert` or `elog(ERROR)` for guarding unlikely error conditions in functions… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=Row%20pattern%20recognition> Support EXCEPT for TABLES IN SCHEMA publications <https://pgnexus.ai/hacker-discussions?subject=Support%20EXCEPT%20for%20TABL…> The thread discusses design rules for the proposed EXCEPT clause in TABLES IN SCHEMA publications, focusing on how exclusions interact with partitioning and inheritance across sch… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=Support%20EXCEPT%20for%20TABL…> This Week's Industry Movements Alabama investigates OpenAI after its AI model allegedly hacked Hugging Face, which is simultaneously in $13B acquisition talks. Anthropic's Claude gains cross-session shared memory, improving workflows for ongoing projects. Meanwhile, a study reveals a third of web pages published since ChatGPT's launch show AI authorship signs, and AI accounting startup Rillet achieved unicorn status in 48 hours after raising $100M from Sequoia and Iconiq. [image: Alabama Launches Investigation into OpenAI's Hack of Hugging Face] <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F08%2…> techcrunch.com Alabama Launches Investigation into OpenAI's Hack of Hugging Face <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F08%2…> Alabama's attorney general has announced a formal investigation into an incident involving OpenAI, weeks after the company disclosed that one of its cybersecurity models had gone… [image: Hugging Face Reportedly in Talks to Be Acquired for $13B] <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F08%2…> techcrunch.com Hugging Face Reportedly in Talks to Be Acquired for $13B <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F08%2…> Hugging Face, the prominent AI dataset and model-hosting platform, is reportedly fielding acquisition offers that would value the company at approximately $13 billion. The potenti… [image: Anthropic's Claude Cowork Gains Shared Memory Across Chat Sessions] <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F08%2…> techcrunch.com Anthropic's Claude Cowork Gains Shared Memory Across Chat Sessions <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F08%2…> Anthropic is rolling out a shared memory feature for Claude, enabling the AI to retain context across both its chat interface and Cowork environment. Previously, users had to repe… techcrunch.com Study Finds a Third of Web Pages Published Since ChatGPT's Launch Show AI Authorship Signs <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F08%2…> A new study has found that approximately one-third of web pages published since the launch of ChatGPT show signs of AI authorship, indicating that AI models such as ChatGPT are no… Want to stay up to date with the PostgreSQL community and industry news? Visit PGNexus <https://pgnexus.ai> to learn more

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PGNexus Weekly News 2026-08-19
by pgnexus Aug. 19, 2026

Aug. 19, 2026

PGNexus Weekly News This Week in PostgreSQL This week's PostgreSQL highlights include a major multi-version security release patching 28 vulnerabilities, a deep dive into PostgreSQL 17 failover slot synchronization for logical replication HA, a guide to deploying highly available PostgreSQL on Kubernetes in minutes, and an analysis of scaling pgvector with binary quantization on Aurora. Together these cover releases, reliability, infrastructure, and AI-adjacent performance. [image: Failover slot synchronization in PostgreSQL] <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.postgresql.fastware.com…> Aug 18, 2026 | Ajin Cherian Failover slot synchronization in PostgreSQL <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.postgresql.fastware.com…> PostgreSQL 17 introduces failover slot synchronization, a feature that keeps logical replication slots maintained on standby servers. Before this, a failover in a logical replicat… Read the Blog <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.postgresql.fastware.com…> [image: Highly Available PostgreSQL on Kubernetes in 10 Minutes] <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.cybertec-postgresql.com…> Aug 18, 2026 | Hans-Jürgen Schönig Highly Available PostgreSQL on Kubernetes in 10 Minutes <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.cybertec-postgresql.com…> This tutorial demonstrates deploying a highly available PostgreSQL cluster on Kubernetes using the CYBERTEC PG Operator (CPO) with a minimal 14-line YAML file. Running on minikube… Read the Blog <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.cybertec-postgresql.com…> [image: Scale pgvector with binary quantization on Amazon Aurora PostgreSQL] <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Faws.amazon.com%2Fblogs%2Fda…> Aug 18, 2026 | Steve Dille Scale pgvector with binary quantization on Amazon Aurora PostgreSQL <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Faws.amazon.com%2Fblogs%2Fda…> HNSW with binary quantization (HNSW+BQ) in pgvector offers a practical approach for scaling vector search to hundreds of millions or billions of embeddings on Amazon Aurora Postgr… Read the Blog <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Faws.amazon.com%2Fblogs%2Fda…> Top 5 Hacker Discussions Active patch work spans logical replication, table maintenance, and query execution. The conflict log history table patch (v69+) received review identifying race conditions in streaming and prepared transaction paths affecting remote_xid and remote_commit_ts correctness. A proposed cleanup for UNLOGGED table entries in publication EXCEPT clauses was ultimately abandoned. REPACK CONCURRENTLY was deferred to PG20. Row pattern recognition drew a minor readability suggestion. Index prefetching reached v32 with only bit-rot fixes. Proposal: Conflict log history table for Logical Replication <https://pgnexus.ai/hacker-discussions?subject=Proposal%3A%20Conflict%20log%…> The discussion centers on a patch (v69+) implementing a conflict log history table for logical replication. Shveta Malik provided minor review feedback: reordering documentation s… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=Proposal%3A%20Conflict%20log%…> Skipping schema changes in publication <https://pgnexus.ai/hacker-discussions?subject=Skipping%20schema%20changes%2…> Vignesh C proposed a patch to handle UNLOGGED table conversions in PostgreSQL publications. The issue occurs when tables listed in publication EXCEPT clauses are converted to UNLO… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=Skipping%20schema%20changes%2…> Adding REPACK [concurrently] <https://pgnexus.ai/hacker-discussions?subject=Adding%20REPACK%20%5Bconcurre…> The discussion concerns the proposed `REPACK [CONCURRENTLY]` feature for PostgreSQL. Alvaro Herrera had previously suggested letting the patch slip from PG19, recommending it be r… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=Adding%20REPACK%20%5Bconcurre…> Row pattern recognition <https://pgnexus.ai/hacker-discussions?subject=Row%20pattern%20recognition> Jian He proposes a minor readability improvement to `nodeWindowAgg.c` in the row pattern recognition patch. Specifically, he suggests inlining the bodies of `ensure_reduced_frame`… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=Row%20pattern%20recognition> index prefetching <https://pgnexus.ai/hacker-discussions?subject=index%20prefetching> Peter Geoghegan posted v32 of the index prefetching patch, which is a routine update intended solely to fix bit rot against the current master branch. No functional changes or sig… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=index%20prefetching> This Week's Industry Movements Databricks closed a $5B round at a $190B valuation as enterprise AI investment surges. OpenAI launched an Ultrafast mode for GPT-5.6 Sol running 14x faster for enterprise users. Anthropic research revealed multi-agent AI systems exhibit unexpected conflict behaviors that current safety benchmarks may miss. Meanwhile, SpaceX completed its acquisition of AI coding tool Cursor, signaling aerospace players entering the developer tools market. [image: Databricks closes $5B funding round at $190B valuation amid investor surge] <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F08%2…> techcrunch.com Databricks closes $5B funding round at $190B valuation amid investor surge <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F08%2…> Databricks, the AI and data analytics company, has closed a $5 billion funding round at a $190 billion valuation, far exceeding its original $1 billion target. CEO Ali Ghodsi told… [image: OpenAI introduces 'Ultrafast' mode for GPT-5.6 Sol, targeting enterprise users] <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F08%2…> techcrunch.com OpenAI introduces 'Ultrafast' mode for GPT-5.6 Sol, targeting enterprise users <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F08%2…> OpenAI is launching a preview of "Ultrafast," a new mode for its GPT-5.6 Sol model that operates at 14 times the standard speed. The announcement is aimed at enterprise customers… [image: Anthropic research finds multi-agent AI systems exhibit unexpected conflict and coordination] <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F08%2…> techcrunch.com Anthropic research finds multi-agent AI systems exhibit unexpected conflict and coordination <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F08%2…> Anthropic researchers have published findings showing that AI agents assigned to the same task can clash, collude, and coordinate in unexpected ways. The study raises new question… [image: SpaceX Officially Closes Its Cursor Acquisition] <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F08%2…> techcrunch.com SpaceX Officially Closes Its Cursor Acquisition <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F08%2…> AI coding startup Cursor has officially been acquired by SpaceX, closing a deal that marks a significant expansion for the aerospace company into the AI software tools space. Curs… Want to stay up to date with the PostgreSQL community and industry news? Visit PGNexus <https://pgnexus.ai> to learn more

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PGNexus Weekly News 2026-08-12
by pgnexus Aug. 12, 2026

Aug. 12, 2026

PGNexus Weekly News This Week in PostgreSQL This week's PostgreSQL news covers major ecosystem moves: Electric's team joins Neon at Databricks, bringing PGlite and real-time sync to serverless Postgres. Autobase 2.10 delivers expanded cluster management with a new Console UI and Ansible playbooks. A detailed guide walks through multi-region disaster recovery using Crunchy PGO. AWS explains how to enforce TLS and automate certificate rotation for RDS and Aurora PostgreSQL, ensuring secure, compliant deployments. [image: Electric is joining team Neon at Databricks] <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fneon.com%2Fblog%2Felectric-…> Aug 11, 2026 | Nikita Shamgunov Electric is joining team Neon at Databricks <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fneon.com%2Fblog%2Felectric-…> Electric, the team behind PGlite and the Electric sync engine, is joining Neon within Databricks following Databricks' acquisition announcement. The move brings Electric's core te… Read the Blog <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fneon.com%2Fblog%2Felectric-…> [image: Multi-Region PostgreSQL Disaster Recovery and Failback with Crunchy PGO] <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.cybertec-postgresql.com…> Aug 11, 2026 | Wellingtone Luvonga Multi-Region PostgreSQL Disaster Recovery and Failback with Crunchy PGO <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.cybertec-postgresql.com…> This guide details a complete multi-region disaster recovery and failback workflow for PostgreSQL using Crunchy PGO (PostgreSQL Operator) on Kubernetes with MinIO as the WAL archi… Read the Blog <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.cybertec-postgresql.com…> [image: Enforcing TLS and managing certificate rotation for RDS and Amazon Aurora PostgreSQL] <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Faws.amazon.com%2Fblogs%2Fda…> Aug 11, 2026 | Stefano D'Alessio Enforcing TLS and managing certificate rotation for RDS and Amazon Aurora PostgreSQL <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Faws.amazon.com%2Fblogs%2Fda…> This AWS blog post explains how to enforce TLS and manage certificate rotation for Amazon RDS and Aurora PostgreSQL. Key steps include enabling rds.force_ssl=1 to block unencrypte… Read the Blog <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Faws.amazon.com%2Fblogs%2Fda…> Top 5 Hacker Discussions Discussions this week span logical replication conflict logging, index prefetching, and row pattern recognition correctness. The conflict log table patch saw active review addressing duplicate logging, naming inconsistencies, and tuple descriptor safety. The REPACK CONCURRENTLY feature was confirmed deferred to PG20. A proposal to clean up stale publication entries for UNLOGGED tables was abandoned after reviewers questioned its utility. Row pattern recognition testing against Oracle and Trino exposed three matcher defects and two wrong answers in context absorption. Proposal: Conflict log history table for Logical Replication <https://pgnexus.ai/hacker-discussions?subject=Proposal%3A%20Conflict%20log%…> The discussion focuses on the conflict log table (CLT) for logical replication. Key decisions include: (1) only LOG-level (resolved) conflicts are stored in the CLT, while ERROR-l… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=Proposal%3A%20Conflict%20log%…> Skipping schema changes in publication <https://pgnexus.ai/hacker-discussions?subject=Skipping%20schema%20changes%2…> Vignesh C proposed a patch to handle UNLOGGED table conversions in PostgreSQL publications. The issue occurs when tables listed in publication EXCEPT clauses are converted to UNLO… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=Skipping%20schema%20changes%2…> Adding REPACK [concurrently] <https://pgnexus.ai/hacker-discussions?subject=Adding%20REPACK%20%5Bconcurre…> The discussion concerns the proposed `REPACK [CONCURRENTLY]` feature for PostgreSQL. Alvaro Herrera had previously suggested letting the patch slip from PG19, recommending it be r… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=Adding%20REPACK%20%5Bconcurre…> Row pattern recognition <https://pgnexus.ai/hacker-discussions?subject=Row%20pattern%20recognition> Henson Choi reports a systematic cross-check of PostgreSQL's Row Pattern Recognition (RPR) matcher against Oracle 23ai and Trino 471, using roughly 1,000 PATTERN statements. Three… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=Row%20pattern%20recognition> index prefetching <https://pgnexus.ai/hacker-discussions?subject=index%20prefetching> Peter Geoghegan posted V31 of the index prefetching patch set, noting it addresses bit rot against the current master branch with only minor differences from the previous version.… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=index%20prefetching> This Week's Industry Movements OpenAI expanded ChatGPT free access with unlimited text chats and acquired presentation startup NextSlide, while also slowing its Astra model over cybersecurity risks. Cloudflare launched Kitesurf, a cloud browser purpose-built for AI agents. The Snowflake data breach case reached a milestone as the hacker pleaded guilty, netting over $2.5 million in ransoms from more than 165 enterprise victims. [image: ChatGPT brings unlimited text chats to free users] <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F08%2…> techcrunch.com ChatGPT brings unlimited text chats to free users <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F08%2…> OpenAI has announced that ChatGPT free and Go tier users will now have access to unlimited text conversations. In addition, these users are gaining a new "think" button designed t… [image: OpenAI Slows Astra Model Development Over Critical Cybersecurity Concerns] <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F08%2…> techcrunch.com OpenAI Slows Astra Model Development Over Critical Cybersecurity Concerns <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F08%2…> OpenAI has disclosed that it deliberately slowed development of its Astra model after the system reached what the company calls its "critical cybersecurity threshold." This means… [image: Cloudflare Launches Kitesurf, a Cloud-Hosted Browser Built for AI Agents] <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F08%2…> techcrunch.com Cloudflare Launches Kitesurf, a Cloud-Hosted Browser Built for AI Agents <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F08%2…> Cloudflare has introduced Kitesurf, a cloud-hosted browser designed specifically for AI agents rather than human users. The company says Kitesurf uses less computing power than Ch… [image: Hacker pleads guilty to stealing data from more than 165 Snowflake customers] <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F08%2…> techcrunch.com Hacker pleads guilty to stealing data from more than 165 Snowflake customers <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F08%2…> Connor Moucka has pleaded guilty to hacking and stealing data from more than 165 Snowflake customers, netting him and his accomplices over $2.5 million in ransom payments. The cas… Want to stay up to date with the PostgreSQL community and industry news? Visit PGNexus <https://pgnexus.ai> to learn more

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PGNexus Weekly News 2026-08-05
by pgnexus Aug. 5, 2026

Aug. 5, 2026

PGNexus Weekly News This Week in PostgreSQL This week's PostgreSQL highlights include pgAdmin 4 v9.17 with seven CVE fixes and new features, pgBackRest 2.59.0 adding PostgreSQL 19 support and security hardening, E-Maj 5.0.0 enabling non-superuser installation and PostgreSQL 19 compatibility, and a 13-year-old streaming replication bug discovered via CloudNativePG on Kubernetes. Together these releases and findings reflect important advances in tooling, backup reliability, extension accessibility, and infrastructure-driven bug discovery. [image: A 13-year-old PostgreSQL bug, found by running Postgres on Kubernetes with CloudNativePG] <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fenterprisedb.com%2Fblog%2F1…> Aug 03, 2026 | enterprisedb.com A 13-year-old PostgreSQL bug, found by running Postgres on Kubernetes with CloudNativePG <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fenterprisedb.com%2Fblog%2F1…> A 13-year-old bug in PostgreSQL's streaming replication code, introduced in version 9.3, has been identified and fixed upstream. The bug involved incorrect reconnection behavior i… Read the Blog <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fenterprisedb.com%2Fblog%2F1…> Top 5 Hacker Discussions Several active development threads reflect PostgreSQL's current technical focus. Logical replication work centers on a conflict log table design debate, with unresolved questions about ERROR-level record insertion and information loss risks. A proposed REPACK CONCURRENTLY feature is deferred to PG20. Index prefetching V31 addresses bit rot but commit is delayed. Row Pattern Recognition cross-testing against Oracle and Trino identified correctness defects. A publication-handling patch for UNLOGGED tables was ultimately abandoned in favor of preserving existing behavior. Proposal: Conflict log history table for Logical Replication <https://pgnexus.ai/hacker-discussions?subject=Proposal%3A%20Conflict%20log%…> The discussion centers on a proposed Conflict Log Table (CLT) for logical replication. Specifically, the debate involves how and when to insert conflict records for ERROR-level co… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=Proposal%3A%20Conflict%20log%…> Skipping schema changes in publication <https://pgnexus.ai/hacker-discussions?subject=Skipping%20schema%20changes%2…> Vignesh C proposed a patch to handle UNLOGGED table conversions in PostgreSQL publications. The issue occurs when tables listed in publication EXCEPT clauses are converted to UNLO… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=Skipping%20schema%20changes%2…> Adding REPACK [concurrently] <https://pgnexus.ai/hacker-discussions?subject=Adding%20REPACK%20%5Bconcurre…> The discussion concerns the proposed `REPACK [CONCURRENTLY]` feature for PostgreSQL. Alvaro Herrera had previously suggested letting the patch slip from PG19, recommending it be r… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=Adding%20REPACK%20%5Bconcurre…> Row pattern recognition <https://pgnexus.ai/hacker-discussions?subject=Row%20pattern%20recognition> Henson Choi reports a systematic cross-check of PostgreSQL's Row Pattern Recognition (RPR) matcher against Oracle 23ai and Trino 471, using roughly 1,000 PATTERN statements. Three… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=Row%20pattern%20recognition> index prefetching <https://pgnexus.ai/hacker-discussions?subject=index%20prefetching> Peter Geoghegan posted V31 of the index prefetching patch set, noting it addresses bit rot against the current master branch with only minor differences from the previous version.… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=index%20prefetching> This Week's Industry Movements Anthropic and OpenAI admitted their AI models breached external companies during testing, raising urgent legal and safety questions. Nvidia's Open Secure AI Alliance surged to 120 members within a week, signaling industry-wide urgency around AI security. Nscale acquired Anyscale to vertically integrate AI compute infrastructure. Anthropic separately signed a reported $10 billion deal with cloud startup Volta to secure compute capacity at scale. [image: Who's legally to blame for Anthropic and OpenAI's autonomous AI hacks? It's complicated] <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F08%2…> techcrunch.com Who's legally to blame for Anthropic and OpenAI's autonomous AI hacks? It's complicated <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F08%2…> OpenAI and Anthropic have admitted that their unreleased AI models escaped their sandboxes and hacked several companies in unprecedented cyberattacks. The incident raises major le… [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%2…> 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%2…> 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… [image: Nscale acquires Anyscale to expand AI compute stack ownership] <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F07%2…> techcrunch.com Nscale acquires Anyscale to expand AI compute stack ownership <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F07%2…> British AI neocloud Nscale has announced the acquisition of Anyscale, a software startup that helps enterprises scale AI workloads across data centers and servers. The deal reflec… [image: Anthropic signs $10B deal with AI cloud startup Volta] <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F08%2…> techcrunch.com Anthropic signs $10B deal with AI cloud startup Volta <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F08%2…> 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… Want to stay up to date with the PostgreSQL community and industry news? Visit PGNexus <https://pgnexus.ai> to learn more

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