PGNexus Daily News PostgreSQL Technical Articles [image: A step-by-step practical guide to seamlessly improve your database security] <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fpostgrespro.com%2Fblog%2Fcom...> postgrespro.com A step-by-step practical guide to seamlessly improve your database security <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fpostgrespro.com%2Fblog%2Fcom...> The linked article from Postgres Professional offers a practical, step-by-step guide for improving PostgreSQL database security. While the content snippet is not available, the ti… Read the Blog <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fpostgrespro.com%2Fblog%2Fcom...> [image: Philosophy behind pg_hardstorage] <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.cybertec-postgresql.com%...> Hans-Jürgen Schönig Philosophy behind pg_hardstorage <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.cybertec-postgresql.com%...> CYBERTEC has released pg_hardstorage v1.0, an open-source PostgreSQL backup tool under Apache 2.0 with no enterprise tier or CLA. It streams WAL via the native replication protoco… Read the Blog <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.cybertec-postgresql.com%...> [image: PostgreSQL 19 Beta 2 Released!] <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.postgresql.org%2Fabout%2...> www.postgresql.org PostgreSQL 19 Beta 2 Released! <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.postgresql.org%2Fabout%2...> PostgreSQL Global Development Group has released PostgreSQL 19 Beta 2, available for download and testing. This release includes fixes since Beta 1: a regression in vacuumdb --ana… Read the Blog <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.postgresql.org%2Fabout%2...> PostgreSQL Hackers Email Discussion Highlights Remove getpgusername() <https://pgnexus.ai/hacker-discussions?subject=Remove%20getpgusername()> The thread discusses removing the `getpgusername()` function from PostgreSQL. Michael Paquier identifies it as a historical artifact and proposes cleaning it up from `pg_proc.dat`… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=Remove%20getpgusername()> pg19b1: TRAP: failed Assert("pgstat_bktype_io_stats_valid(bktype_shstats, MyBackendType)") <https://pgnexus.ai/hacker-discussions?subject=pg19b1%3A%20TRAP%3A%20failed%2...> A crash in PostgreSQL 19 beta1 is being discussed, triggered by a failed assertion in `pgstat_bktype_io_stats_valid()` during parallel worker exit. The bug, introduced by commit `… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=pg19b1%3A%20TRAP%3A%20failed%2...> Fix publisher-side sequence permission reporting <https://pgnexus.ai/hacker-discussions?subject=Fix%20publisher-side%20sequenc...> A bug was fixed where a NULL privilege value from `has_sequence_privilege()` — returned when a sequence is dropped concurrently after being identified in a catalog snapshot — was… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=Fix%20publisher-side%20sequenc...> 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 recently pushed commits across multiple branches related to changes in how VM (visibility map) clearing interacts with WAL records. Fujii Masao raised a concern a… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=Why%20clearing%20the%20VM%20doesn't%20require%20registering%20vm%20buffer%20in%20wal%20record> ci: namespace ccache by PostgreSQL major version <https://pgnexus.ai/hacker-discussions?subject=ci%3A%20namespace%20ccache%20b...> The discussion addresses a CI failure caused by GitHub Actions restoring a ccache across a PostgreSQL major version bump, resulting in incompatible shared libraries. Nazir Bilal Y… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=ci%3A%20namespace%20ccache%20b...> WAL compression setting after PostgreSQL LZ4 default change <https://pgnexus.ai/hacker-discussions?subject=WAL%20compression%20setting%20...> The discussion centers on changing the behavior of `wal_compression = 'on'` in PostgreSQL. Currently, `'on'` maps to `pglz`, the only algorithm available before PG 15. The proposa… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=WAL%20compression%20setting%20...> Click here for the full Hacker discussion highlights <https://pgnexus.ai/daily-updates?file=2026-07-16-postgresql-daily-news-209.m...> Industry News [image: Uber's $14.8B Acquisition of Delivery Hero to Nearly Double Global Footprint] <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F07%2F...> techcrunch.com Uber's $14.8B Acquisition of Delivery Hero to Nearly Double Global Footprint <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F07%2F...> Uber has agreed to acquire Delivery Hero in a $14.8 billion all-stock deal that would nearly double the company's global footprint. The transaction would combine the two companies… [image: Moonshot's Kimi K3 Expected to Rival Anthropic's Opus 4.8 as Largest Open AI Model from China] <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F07%2F...> techcrunch.com Moonshot's Kimi K3 Expected to Rival Anthropic's Opus 4.8 as Largest Open AI Model from China <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F07%2F...> According to the Financial Times, Moonshot's upcoming Kimi K3 model is set to become the largest open AI model from China, with a parameter count estimated between 2 trillion and… [image: Apple Intelligence Approved for Launch in China with Alibaba and Baidu] <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F07%2F...> techcrunch.com Apple Intelligence Approved for Launch in China with Alibaba and Baidu <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F07%2F...> Apple Intelligence has received approval to launch in China through partnerships with Alibaba and Baidu. The deal, which had been rumored to be in the works, marks a significant s… Social Media Updates [image: Genie One is now available on iOS and Android, bringing the data-smart AI coworker wherever business decisions happen.] <https://pgnexus.ai/social-media?url=https%3A%2F%2Fwww.linkedin.com%2Fposts%2...> linkedin Genie One is now available on iOS and Android, bringing the data-smart AI coworker wherever business decisions happen. <https://pgnexus.ai/social-media?url=https%3A%2F%2Fwww.linkedin.com%2Fposts%2...> Genie One is now available on iOS and Android, allowing business users to access Databricks' AI assistant from mobile devices. Users can chat with Genie, explore dashboards, and a… [image: Into Postgres, agentic AI, open source tooling, distributed databases, or just building things with data?] <https://pgnexus.ai/social-media?url=https%3A%2F%2Fwww.linkedin.com%2Fposts%2...> linkedin Into Postgres, agentic AI, open source tooling, distributed databases, or just building things with data? <https://pgnexus.ai/social-media?url=https%3A%2F%2Fwww.linkedin.com%2Fposts%2...> A video series covering PostgreSQL and related data engineering topics. Featured content includes a demo of the pgEdge MCP Server for querying PostgreSQL through Claude Code or Cu… linkedin ⚡ Lakebase vs Lakehouse in < 90 seconds. <https://pgnexus.ai/social-media?url=https%3A%2F%2Fwww.linkedin.com%2Ffeed%2F...> Michael Armbrust, Distinguished Engineer at Databricks, explains the difference between Lakehouse and Lakebase. Lakehouse addressed analytics workloads by separating compute and s… Want to stay up to date with the PostgreSQL community and industry news? Visit PGNexus <https://pgnexus.ai> to learn more