PGNexus Daily News PostgreSQL Hackers Email Discussion Highlights remove_useless_joins vs. bug #19560 <https://pgnexus.ai/hacker-discussions?subject=remove_useless_joins%20vs.%20b...> Tom Lane posted a v3 patchset (patches 0001–0004) to fix a bug in `remove_useless_joins` related to `fixup_selfjoin_jointree` incorrectly hoisting modified quals past outer joins.… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=remove_useless_joins%20vs.%20b...> Compression of bigger WAL records <https://pgnexus.ai/hacker-discussions?subject=Compression%20of%20bigger%20WA...> Andrey Borodin posted v7 of the WAL compression patch, now split into three parts. Patch 0001 reuses a zstd compression context per backend instead of allocating/freeing it per fu… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=Compression%20of%20bigger%20WA...> [PATCH] Preserve replication origin OIDs in pg_upgrade <https://pgnexus.ai/hacker-discussions?subject=%5BPATCH%5D%20Preserve%20repli...> Rui Zhao raises two issues with the patch that preserves replication origin OIDs in pg_upgrade. First, there is an inconsistency between the `remote_lsn = 0/0` handling and the ne… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=%5BPATCH%5D%20Preserve%20repli...> Industry News [image: Anthropic launches Opus 5, a cheaper and less restrictive AI model] <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F07%2F...> techcrunch.com Anthropic launches Opus 5, a cheaper and less restrictive AI model <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F07%2F...> Anthropic has launched Opus 5, its latest AI model, described as both cheaper and less restrictive than its predecessor Fable. The release is expected to make Opus 5 the preferred… [image: Monday.com and 20+ tech companies cite AI as reason for layoffs in 2026] <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F07%2F...> techcrunch.com Monday.com and 20+ tech companies cite AI as reason for layoffs in 2026 <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F07%2F...> Monday.com has become the latest tech company to cite artificial intelligence as a contributing factor in its decision to lay off employees. TechCrunch is tracking a growing list… [image: Elon Musk's Boring Company reportedly raising funding at $20 billion valuation] <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F07%2F...> techcrunch.com Elon Musk's Boring Company reportedly raising funding at $20 billion valuation <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F07%2F...> Elon Musk's tunneling startup, The Boring Company, is reportedly in talks to raise a major new funding round at a valuation of $20 billion. If confirmed, the round would represent… Social Media Updates linkedin At #DataAISummit , Matei Zaharia , Co-founder and CTO at Databricks, announced Omnigent: an open meta-harness that sits as a layer above your agents and makes them interoperable parts of a powerful system. <https://pgnexus.ai/social-media?url=https%3A%2F%2Fwww.linkedin.com%2Fposts%2...> At the Data+AI Summit, Databricks Co-founder and CTO Matei Zaharia announced Omnigent, an open meta-harness designed to sit as an orchestration layer above existing agents. It ena… Want to stay up to date with the PostgreSQL community and industry news? Visit PGNexus <https://pgnexus.ai> to learn more