PGNexus Weekly News 2026-07-08
by pgnexus
PGNexus Weekly News
This Week in PostgreSQL
This week covers PostgreSQL 18 logical replication enhancements on Amazon
RDS, a critical JDBC security fix patching a channel-binding downgrade
vulnerability, CloudNativePG 1.30.0 with new CVE fixes and a DatabaseRole
CRD, and multi-region disaster recovery using CloudNativePG distributed
topology on Kubernetes. Together these updates highlight replication
improvements, security hardening, operator maturity, and cloud-native
resilience for PostgreSQL practitioners.
[image: Logical replication improvements in Amazon RDS for PostgreSQL 18]
<https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Faws.amazon.com%2Fblogs%2Fda…>
Jul 07, 2026 | Ramdas Gutlapalli
Logical replication improvements in Amazon RDS for PostgreSQL 18
<https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Faws.amazon.com%2Fblogs%2Fda…>
PostgreSQL 18 introduces four targeted improvements to logical replication.
First, STORED generated columns can now be included in the replication
stream via a new `publish_genera…
Read the Blog
<https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Faws.amazon.com%2Fblogs%2Fda…>
[image: Going Multi-Region: How to Set Up CloudNativePG(CNPG) Distributed
Topology]
<https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.cybertec-postgresql.com…>
Jul 07, 2026 | Wellingtone Luvonga
Going Multi-Region: How to Set Up CloudNativePG(CNPG) Distributed Topology
<https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.cybertec-postgresql.com…>
This article demonstrates how to configure CloudNativePG (CNPG) distributed
topology across multiple Kubernetes clusters for PostgreSQL disaster
recovery. The setup uses MinIO as…
Read the Blog
<https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.cybertec-postgresql.com…>
Top 5 Hacker Discussions
Index prefetching (V29) adds microoptimizations reducing amgetbatch calls
and per-tuple stat overhead, plus EXPLAIN (ANALYZE, IO) instrumentation.
Row pattern recognition review surfaces a wrong-result bug in
context-absorption and disputes over walker refactoring. REPACK
CONCURRENTLY deadlock fix is deferred to pg20. Logical replication sees
active debate on conflict-log safety and a decision to leave UNLOGGED
publication handling unchanged pending unresolved restore semantics.
Proposal: Conflict log history table for Logical Replication
<https://pgnexus.ai/hacker-discussions?subject=Proposal%3A%20Conflict%20log%…>
The discussion concerns a proposed conflict log history table for logical
replication. Robert Haas raised two concerns about the v63-0001 patch
design: (1) saving aside an error m…
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…>
A potential deadlock issue in the REPACK [concurrently] feature risks
losing large amounts of work. Mihail Nikalayeu proposed a patch to address
it. Alvaro Herrera reviewed the pa…
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 reviews several aspects of the row pattern recognition patch.
First, he acknowledges Jian's offset resolution consolidation as a useful
direction—it enables EXPLAIN to…
Read Discussion
<https://pgnexus.ai/hacker-discussions?subject=Row%20pattern%20recognition>
index prefetching
<https://pgnexus.ai/hacker-discussions?subject=index%20prefetching>
Peter Geoghegan posted V29 of the index prefetching patch, noting V28 no
longer applies cleanly. Key changes include two microoptimizations: index
AMs can now set knownEndBackward…
Read Discussion
<https://pgnexus.ai/hacker-discussions?subject=index%20prefetching>
This Week's Industry Movements
Microsoft launched a $2.5B AI deployment company while separately shifting
toward in-house models to cut costs. Anthropic is negotiating a custom chip
deal with Samsung, joining an industry push for proprietary silicon.
Alibaba banned Claude Code internally, citing security risks around Western
AI tools. Meta's Zuckerberg admitted AI agent progress has lagged internal
expectations, offering a rare candid signal amid the broader AI investment
frenzy.
[image: Microsoft launches its own AI deployment company with $2.5 billion
commitment]
<https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F07%2…>
techcrunch.com
Microsoft launches its own AI deployment company with $2.5 billion
commitment
<https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F07%2…>
Microsoft has launched a new AI deployment company backed by a $2.5 billion
commitment, joining Amazon, OpenAI, and Anthropic in establishing dedicated
AI deployment operations. T…
[image: Anthropic Discusses Custom AI Chip Development with Samsung]
<https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F07%2…>
techcrunch.com
Anthropic Discusses Custom AI Chip Development with Samsung
<https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F07%2…>
Anthropic is in discussions with Samsung to develop a new custom AI chip,
according to a TechCrunch report. The news follows OpenAI's recent
announcement of its own custom AI chip…
[image: Alibaba Reportedly Bans Employees from Using Claude Code]
<https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F07%2…>
techcrunch.com
Alibaba Reportedly Bans Employees from Using Claude Code
<https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F07%2…>
Alibaba has reportedly classified Claude Code, Anthropic's AI-powered
coding assistant, as high-risk software and banned its employees from using
it. The move signals growing tens…
[image: Mark Zuckerberg Tells Staff Meta's AI Agents Progressing Slower
Than Expected]
<https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F07%2…>
techcrunch.com
Mark Zuckerberg Tells Staff Meta's AI Agents Progressing Slower Than
Expected
<https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F07%2…>
Meta CEO Mark Zuckerberg reportedly told employees at an internal meeting
that the company's AI agent development has not advanced as quickly as he
had hoped. The candid admission…
Want to stay up to date with the PostgreSQL community and industry news?
Visit PGNexus <https://pgnexus.ai> to learn more
July 8, 2026
PGNexus Weekly News 2026-07-01
by pgnexus
PGNexus Weekly News
This Week in PostgreSQL
This week covers PostgreSQL 19 upgrade workflow gaps with sequence
synchronization, a new open-source data tiering extension from pgEdge,
critical memory and performance risks from oversized schemas, and community
container images freeing operators from vendor registries. Together these
posts address reliability, cost, performance, and operational
independence—core concerns for PostgreSQL teams managing production systems.
[image: Closing a critical gap in PostgreSQL upgrade workflows with
sequence synchronization]
<https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.postgresql.fastware.com…>
Jun 30, 2026 | Vigneshwaran C
Closing a critical gap in PostgreSQL upgrade workflows with sequence
synchronization
<https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.postgresql.fastware.com…>
PostgreSQL 19 introduces improvements to upgrade workflows using pg_upgrade
and pg_createsubscriber, enabling near-zero-downtime upgrades by converting
physical replicas into logi…
Read the Blog
<https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.postgresql.fastware.com…>
[image: Too many tables are bad for you]
<https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.cybertec-postgresql.com…>
Jun 30, 2026 | Laurenz Albe
Too many tables are bad for you
<https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.cybertec-postgresql.com…>
A PostgreSQL database containing tens of thousands of tables can cause two
serious problems: excessive memory usage and slow metadata queries. Each
long-lived connection accumulat…
Read the Blog
<https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.cybertec-postgresql.com…>
[image: Community Docker Images: keeping the operator open without a vendor
registry lock-in]
<https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.percona.com%2Fblog%2Fpo…>
Jun 30, 2026 | Slava Sarzhan
Community Docker Images: keeping the operator open without a vendor
registry lock-in
<https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.percona.com%2Fblog%2Fpo…>
Percona Operator for PostgreSQL 3.0.0 introduces Community PostgreSQL
Images, allowing users to run the operator against container images built
from official PostgreSQL packages s…
Read the Blog
<https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.percona.com%2Fblog%2Fpo…>
Top 5 Hacker Discussions
Active patch development spans logical replication conflict logging, index
prefetching, row pattern recognition, and REPACK CONCURRENTLY. The conflict
log history table patch consolidated two patches and addressed ACL, error
code, and GUC scope debates. Index prefetching v28 introduces SP-GiST
amgetbatch support, revised heap-switch heuristics, and INDEX_PAGES_LIMIT.
RPR v50 focuses on CI breakage from upstream NULLS handling changes. A
proposed UNLOGGED table cleanup in publications was abandoned after review.
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…>
Proposal: Conflict log history table for Logical Replication
<https://pgnexus.ai/hacker-discussions?subject=Proposal%3A%20Conflict%20log%…>
Peter Smith reviewed v59-0001/0002 of the conflict log history table (CLT)
patch for logical replication, raising several issues: inconsistent
JSON/json casing in comments, column…
Read Discussion
<https://pgnexus.ai/hacker-discussions?subject=Proposal%3A%20Conflict%20log%…>
Adding REPACK [concurrently]
<https://pgnexus.ai/hacker-discussions?subject=Adding%20REPACK%20%5Bconcurre…>
Antonin Houska submitted a small patch to the ongoing "Adding REPACK
[concurrently]" thread, removing an outdated comment that was only valid in
earlier versions of the patch. The…
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 is preparing for the next review round of the Row Pattern
Recognition (RPR) patch series (v50). Two issues are flagged: first, cfbot
is failing on v49 because a recent…
Read Discussion
<https://pgnexus.ai/hacker-discussions?subject=Row%20pattern%20recognition>
index prefetching
<https://pgnexus.ai/hacker-discussions?subject=index%20prefetching>
Peter Geoghegan posted v28 of the index prefetching patch set, with several
notable changes. The "start read stream" heuristic now triggers on the
fourth heap block switch rather…
Read Discussion
<https://pgnexus.ai/hacker-discussions?subject=index%20prefetching>
This Week's Industry Movements
Anthropic's Claude Sonnet 5 launches as a cost-efficient agent model, while
Amazon commits $1 billion to embed AI agents directly at enterprises. The
Trump administration authorizes Mythos 5 for over 100 U.S. companies and
agencies. Meanwhile, Nvidia rival Etched hits a $5 billion valuation with
$1 billion in contracted chip sales, signaling serious enterprise appetite
for AI hardware alternatives. Together, these moves mark a week of rapid AI
commercialization across models, infrastructure, and deployment.
[image: Anthropic launches Claude Sonnet 5 as a cheaper alternative for AI
agents]
<https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F06%2…>
techcrunch.com
Anthropic launches Claude Sonnet 5 as a cheaper alternative for AI agents
<https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F06%2…>
Anthropic has launched Claude Sonnet 5, a new model designed to offer
stronger agentic capabilities at a lower price point. The release positions
Claude Sonnet 5 as a more cost-ef…
[image: Amazon launches $1B Field Deployment Engineering org to embed AI
agents at enterprises]
<https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F06%2…>
techcrunch.com
Amazon launches $1B Field Deployment Engineering org to embed AI agents at
enterprises
<https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F06%2…>
Amazon has launched a new $1 billion Field Deployment Engineering (FDE)
organization, following similar moves by OpenAI and Anthropic. Engineers on
the new team will embed directl…
techcrunch.com
Trump Admin releases Anthropic Mythos to be used by more than 100 US
companies, agencies
<https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F06%2…>
The Trump administration has authorized more than 100 U.S. companies and
government agencies to use Anthropic's Mythos 5 AI model, including access
for their non-American employee…
[image: Nvidia rival Etched reaches $5B valuation with $1B in contracted AI
chip sales]
<https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F06%2…>
techcrunch.com
Nvidia rival Etched reaches $5B valuation with $1B in contracted AI chip
sales
<https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F06%2…>
AI chip startup Etched, a competitor to Nvidia, has announced it has
reached a $5 billion valuation and already secured $1 billion in contracted
sales for inference systems powere…
Want to stay up to date with the PostgreSQL community and industry news?
Visit PGNexus <https://pgnexus.ai> to learn more
July 1, 2026
PGNexus Weekly News 2026-06-24
by pgnexus
PGNexus Weekly News
This Week in PostgreSQL
This week brings critical security fixes in pgAdmin 4 v9.16 addressing
seven CVEs, a new postgres-lsp language server offering rich editor
integration for SQL and PL/pgSQL, a fresh community backup tool
pg_hardstorage targeting modern deployment models, and a practical
deep-dive into partition key write bottlenecks with diagnostic queries.
Together these updates cover tooling, security, performance, and
reliability across the PostgreSQL ecosystem.
[image: Introducing pg_hardstorage: A New Community-Driven Approach to
PostgreSQL Backup and Recovery]
<https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.cybertec-postgresql.com…>
Jun 23, 2026 | Hans-Jürgen Schönig
Introducing pg_hardstorage: A New Community-Driven Approach to PostgreSQL
Backup and Recovery
<https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.cybertec-postgresql.com…>
CYBERTEC has released pg_hardstorage, a new open-source PostgreSQL backup
and recovery tool licensed under Apache 2.0. The project does not aim to
replace existing tools like pgBa…
Read the Blog
<https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.cybertec-postgresql.com…>
[image: Why Your PostgreSQL Partition Key Is Creating a Write Bottleneck]
<https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.tigerdata.com%2Fblog%2F…>
Jun 19, 2026 | NanoHertz Communications
Why Your PostgreSQL Partition Key Is Creating a Write Bottleneck
<https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.tigerdata.com%2Fblog%2F…>
A skewed PostgreSQL partition key can route the majority of writes to a
single partition, creating a write hot spot while others sit idle. This
causes cascading problems: excessiv…
Read the Blog
<https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.tigerdata.com%2Fblog%2F…>
Top 5 Hacker Discussions
Index prefetching (v28) refines stream heuristics, adds SP-GiST amgetbatch
support, and introduces INDEX_PAGES_LIMIT. Logical replication work spans a
conflict log history table under active review and a publication
EXCEPT-clause edge case resolved without code change. Row Pattern
Recognition reports 98.4% line coverage and clean Valgrind results. REPACK
CONCURRENTLY received a minor stale-comment cleanup. Most threads remain
open with unresolved implementation questions around memory layout, API
correctness, and permission checks.
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…>
Antonin Houska submitted a small patch to the ongoing "Adding REPACK
[concurrently]" thread, removing an outdated comment that was only valid in
earlier versions of the patch. The…
Read Discussion
<https://pgnexus.ai/hacker-discussions?subject=Adding%20REPACK%20%5Bconcurre…>
Proposal: Conflict log history table for Logical Replication
<https://pgnexus.ai/hacker-discussions?subject=Proposal%3A%20Conflict%20log%…>
The discussion concerns a proposed conflict log history table (CLT) for
logical replication in PostgreSQL. Dilip Kumar merged patches from Amit
Kapila and Nisha Moond and confirme…
Read Discussion
<https://pgnexus.ai/hacker-discussions?subject=Proposal%3A%20Conflict%20log%…>
index prefetching
<https://pgnexus.ai/hacker-discussions?subject=index%20prefetching>
Peter Geoghegan posted v28 of the index prefetching patch set, with several
notable changes. The "start read stream" heuristic now triggers on the
fourth heap block switch rather…
Read Discussion
<https://pgnexus.ai/hacker-discussions?subject=index%20prefetching>
Row pattern recognition
<https://pgnexus.ai/hacker-discussions?subject=Row%20pattern%20recognition>
Henson Choi posted two follow-up reports on the Row Pattern Recognition
(RPR) patch. The first covers an updated code coverage analysis:
modified-line coverage improved from 96.5%…
Read Discussion
<https://pgnexus.ai/hacker-discussions?subject=Row%20pattern%20recognition>
This Week's Industry Movements
Amazon is opening its AI chips to third-party data centers, targeting a $50
billion market and challenging Nvidia's dominance. Groq confirmed a $650
million raise to stay independent after a notable Nvidia deal fell through.
SpaceX signed a $150 million per month compute contract with Reflection AI
through 2029. Anthropic launched Claude Tag for Slack, embedding persistent
AI context capture into enterprise workflows.
[image: Amazon Seeks to Sell Its AI Chips to External Data Centers,
Challenging Nvidia]
<https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F06%2…>
techcrunch.com
Amazon Seeks to Sell Its AI Chips to External Data Centers, Challenging
Nvidia
<https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F06%2…>
AWS is in talks to sell its proprietary AI chips to third-party data
centers, a move that positions Amazon more directly against Nvidia in the
AI hardware market. CEO Andy Jassy h…
[image: Groq Confirms $650M Funding Round After Nvidia's Not-Acqui-Hire
Deal]
<https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F06%2…>
techcrunch.com
Groq Confirms $650M Funding Round After Nvidia's Not-Acqui-Hire Deal
<https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F06%2…>
AI chipmaker Groq has confirmed a $650 million funding raise following a
high-profile not-acqui-hire deal with Nvidia valued at $20 billion. Rather
than being absorbed, Groq is le…
[image: SpaceX Signs $150M/Month Compute Deal with Open-Source AI Lab
Reflection AI]
<https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F06%2…>
techcrunch.com
SpaceX Signs $150M/Month Compute Deal with Open-Source AI Lab Reflection AI
<https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F06%2…>
SpaceX has signed a major compute agreement with Reflection AI, an
open-source AI lab. Under the deal, Reflection AI will pay $150 million per
month starting July 1, 2026, through…
[image: Anthropic's Claude Tag Brings Always-On AI to Slack for Enterprise
Context Capture]
<https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F06%2…>
techcrunch.com
Anthropic's Claude Tag Brings Always-On AI to Slack for Enterprise Context
Capture
<https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F06%2…>
Anthropic has launched Claude Tag, a new feature that integrates its AI
model directly into Slack as a persistent, always-on teammate. Beyond
boosting individual productivity, Cla…
Want to stay up to date with the PostgreSQL community and industry news?
Visit PGNexus <https://pgnexus.ai> to learn more
June 24, 2026
PGNexus Weekly News 2026-06-17
by pgnexus
PGNexus Weekly News
This Week in PostgreSQL
This week's PostgreSQL highlights include a new extension enforcing
partition pruning at the database level, a workload monitoring tool update
with per-module retention, key management best practices for TDE
deployments, and a timely look at workloads where PostgreSQL's MVCC model
creates architectural challenges. Together these cover security,
performance, tooling, and honest architectural guidance for practitioners.
[image: On the Role of Key Management in PostgreSQL]
<https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.cybertec-postgresql.com…>
Jun 16, 2026 | Petar Lejic
On the Role of Key Management in PostgreSQL
<https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.cybertec-postgresql.com…>
Transparent Data Encryption (TDE) in PostgreSQL environments solves
data-at-rest security but creates operational challenges around key access.
Without proper key management, keys…
Read the Blog
<https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.cybertec-postgresql.com…>
[image: When PostgreSQL Isn't the Right Fit: Recognizing Workloads That
Need Different Architecture]
<https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.tigerdata.com%2Fblog%2F…>
Jun 12, 2026 | NanoHertz Communications
When PostgreSQL Isn't the Right Fit: Recognizing Workloads That Need
Different Architecture
<https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.tigerdata.com%2Fblog%2F…>
PostgreSQL excels at 90% of workloads but struggles with a specific 10%:
high-frequency append-only ingestion with sustained write rates and
analytical query patterns. When worklo…
Read the Blog
<https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.tigerdata.com%2Fblog%2F…>
Top 5 Hacker Discussions
Index prefetching v27 simplifies batch buffer management and adds Valgrind
test infrastructure, with CI failures and cost model improvements still
pending. WAL reduction via xl_heap_visible elimination saw multiple test
stability commits addressing autovacuum interference. Logical replication
conflict log table development debates view permissions in pg_conflict and
has open bugs around two-phase transaction metadata. REPACK's concurrent
deadlock issue remains unresolved. A publication EXCEPT clause cleanup
patch was abandoned after review raised conversion reversibility concerns.
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…>
Mihail Nikalayeu reminds the PostgreSQL community about an unresolved
deadlock issue in the REPACK functionality that can cause significant loss
of work. He references a previous…
Read Discussion
<https://pgnexus.ai/hacker-discussions?subject=Adding%20REPACK%20%5Bconcurre…>
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) feature for logical
replication within the `pg_conflict` schema. A key debate concerns whether
view creation should be allow…
Read Discussion
<https://pgnexus.ai/hacker-discussions?subject=Proposal%3A%20Conflict%20log%…>
index prefetching
<https://pgnexus.ai/hacker-discussions?subject=index%20prefetching>
Peter Geoghegan released v27 of the index prefetching patch, addressing
outstanding issues from the paused work after Postgres 19's final commit
fest. The major change simplifies…
Read Discussion
<https://pgnexus.ai/hacker-discussions?subject=index%20prefetching>
eliminate xl_heap_visible to reduce WAL (and eventually set VM on-access)
<https://pgnexus.ai/hacker-discussions?subject=eliminate%20xl_heap_visible%2…>
The discussion centers on eliminating xl_heap_visible WAL records to reduce
WAL volume and eventually set visibility map on access. Melanie Plageman
committed several fixes to add…
Read Discussion
<https://pgnexus.ai/hacker-discussions?subject=eliminate%20xl_heap_visible%2…>
This Week's Industry Movements
This week's AI landscape saw major regulatory tension as the Trump
administration forced Anthropic to pull its cybersecurity models Fable and
Mythos, while Anthropic also partnered with TCS to scale enterprise Claude
deployments. Salesforce acquired AI customer service platform Fin for $3.6
billion to strengthen Agentforce. ChatGPT's market share fell below 50% for
the first time, with Gemini and Claude gaining ground. Oracle confirmed a
critical vulnerability actively exploited to breach over 100 organizations.
[image: US Government Bans Anthropic's Most Powerful Cybersecurity Models]
<https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F06%2…>
techcrunch.com
US Government Bans Anthropic's Most Powerful Cybersecurity Models
<https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F06%2…>
The Trump administration forced Anthropic to pull its latest cybersecurity
models, Fable and Mythos, through export-control restrictions. Analysts
suggest the decision may be reac…
[image: Anthropic taps TCS to scale its enterprise AI deployments]
<https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F06%2…>
techcrunch.com
Anthropic taps TCS to scale its enterprise AI deployments
<https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F06%2…>
Anthropic has announced a strategic partnership with Tata Consultancy
Services (TCS) to accelerate the deployment of its AI models across
enterprise customers. Under this collabor…
[image: Salesforce acquires AI customer service platform Fin for $3.6B]
<https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F06%2…>
techcrunch.com
Salesforce acquires AI customer service platform Fin for $3.6B
<https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F06%2…>
Salesforce announced the acquisition of Fin, an AI-powered customer service
platform, for $3.6 billion. The company plans to integrate Fin's team and
technology into Agentforce, i…
[image: ChatGPT Market Share Drops Below 50% for First Time]
<https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F06%2…>
techcrunch.com
ChatGPT Market Share Drops Below 50% for First Time
<https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F06%2…>
ChatGPT's share of the global AI assistant market has fallen below 50% for
the first time, marking a notable shift in the competitive landscape.
Despite the decline, ChatGPT remai…
Want to stay up to date with the PostgreSQL community and industry news?
Visit PGNexus <https://pgnexus.ai> to learn more
June 17, 2026
PGNexus Weekly News 2026-06-10
by pgnexus
PGNexus Weekly News
This Week in PostgreSQL
This week's PostgreSQL highlights include the PostgreSQL 19 Beta 1 release
with major performance, security, and developer feature additions.
TimescaleDB 2.27 delivers up to 160x faster UPDATE/DELETE on compressed
data. PostgreSQL Anonymizer 3.1 adds Local Differential Privacy with a
critical security fix requiring immediate upgrade. AWS introduces an
AI-powered Oracle PL/SQL to PostgreSQL migration tool achieving 92%
conversion confidence.
[image: TimescaleDB 2.27: Broader Vectorized Execution, Up to 160x More
Efficient UPDATE/DELETE, and Smarter UPSERT Pruning]
<https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.tigerdata.com%2Fblog%2F…>
Jun 09, 2026 | Brandon Purcell
TimescaleDB 2.27: Broader Vectorized Execution, Up to 160x More Efficient
UPDATE/DELETE, and Smarter UPSERT Pruning
<https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.tigerdata.com%2Fblog%2F…>
TimescaleDB 2.27 introduces significant performance improvements focused on
eliminating unnecessary work in analytical operations. The release extends
bloom filter technology to a…
Read the Blog
<https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.tigerdata.com%2Fblog%2F…>
[image: Automate Oracle PL/SQL to PostgreSQL migration with Amazon Bedrock
and Strands Agents]
<https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Faws.amazon.com%2Fblogs%2Fda…>
Jun 08, 2026 | Kavita Vellala
Automate Oracle PL/SQL to PostgreSQL migration with Amazon Bedrock and
Strands Agents
<https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Faws.amazon.com%2Fblogs%2Fda…>
AWS has released a solution to automate Oracle PL/SQL to PostgreSQL
migration using Amazon Bedrock with Anthropic's Claude Sonnet 4.6, the
Strands Agents framework, and AWS Knowle…
Read the Blog
<https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Faws.amazon.com%2Fblogs%2Fda…>
Top 5 Hacker Discussions
Index prefetching (v26) adds GiST batch scan support with 20x+ speedups
alongside API changes and outstanding planner cost model gaps. WAL
reduction work on xl_heap_visible received stabilizing test commits.
Logical replication conflict log tables settled on allowing explicit locks
while blocking direct mutations, with documentation planned. REPACK
deadlock issues remain unresolved with stress testing ongoing. A proposed
publication EXCEPT clause cleanup for UNLOGGED tables was abandoned after
review.
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…>
Mihail Nikalayeu reminds the PostgreSQL community about an unresolved
deadlock issue in the REPACK functionality that can cause significant loss
of work. He references a previous…
Read Discussion
<https://pgnexus.ai/hacker-discussions?subject=Adding%20REPACK%20%5Bconcurre…>
Proposal: Conflict log history table for Logical Replication
<https://pgnexus.ai/hacker-discussions?subject=Proposal%3A%20Conflict%20log%…>
The discussion focuses on conflict log tables (CLTs) for logical
replication, specifically addressing user interaction policies. The main
debate centers on whether to allow explic…
Read Discussion
<https://pgnexus.ai/hacker-discussions?subject=Proposal%3A%20Conflict%20log%…>
index prefetching
<https://pgnexus.ai/hacker-discussions?subject=index%20prefetching>
Peter Geoghegan released v26 of the index prefetching patch, introducing
significant improvements after the pause following PostgreSQL 19's final
commit fest. The standout additio…
Read Discussion
<https://pgnexus.ai/hacker-discussions?subject=index%20prefetching>
eliminate xl_heap_visible to reduce WAL (and eventually set VM on-access)
<https://pgnexus.ai/hacker-discussions?subject=eliminate%20xl_heap_visible%2…>
The discussion centers on eliminating xl_heap_visible WAL records to reduce
WAL volume and eventually set visibility map on access. Melanie Plageman
committed several fixes to add…
Read Discussion
<https://pgnexus.ai/hacker-discussions?subject=eliminate%20xl_heap_visible%2…>
This Week's Industry Movements
Google's $920M/month compute deal with SpaceX signals unprecedented AI
infrastructure demand. OpenAI files confidentially for IPO just weeks after
Anthropic, marking a pivotal moment for AI public markets. Apple launches a
major Siri AI overhaul, repositioning its voice assistant as a full AI
companion. OpenAI also introduces Lockdown Mode to guard ChatGPT against
prompt injection attacks, reflecting growing enterprise security concerns
around AI systems.
[image: Google will pay SpaceX $920M per month for compute]
<https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F06%2…>
techcrunch.com
Google will pay SpaceX $920M per month for compute
<https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F06%2…>
Google has struck a major deal with SpaceX, agreeing to pay $920 million
per month for compute resources. According to a Google representative, the
agreement stems from unexpected…
[image: OpenAI files confidentially for IPO following Anthropic]
<https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F06%2…>
techcrunch.com
OpenAI files confidentially for IPO following Anthropic
<https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F06%2…>
OpenAI has filed confidentially for an initial public offering,
approximately one week after its primary competitor Anthropic also
submitted IPO paperwork. This development intens…
[image: Apple launches major Siri AI overhaul as voice assistant becomes AI
companion]
<https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F06%2…>
techcrunch.com
Apple launches major Siri AI overhaul as voice assistant becomes AI
companion
<https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F06%2…>
Apple has officially launched its long-awaited "Siri AI" overhaul,
transforming the voice assistant from a basic voice-controlled tool into a
comprehensive AI companion with signi…
[image: OpenAI unveils Lockdown Mode to protect sensitive data from prompt
injection attacks]
<https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F06%2…>
techcrunch.com
OpenAI unveils Lockdown Mode to protect sensitive data from prompt
injection attacks
<https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F06%2…>
OpenAI has introduced Lockdown Mode, a new security feature designed to
protect sensitive data from prompt injection attacks in ChatGPT. Prompt
injection attacks occur when malici…
Want to stay up to date with the PostgreSQL community and industry news?
Visit PGNexus <https://pgnexus.ai> to learn more
June 10, 2026
PGNexus Weekly News 2026-06-03
by pgnexus
PGNexus Weekly News
This Week in PostgreSQL
This week's PostgreSQL highlights include Percona Operator 3.0.0 completing
its hard fork from Crunchy Data for independent Kubernetes deployments,
Autobase 2.8.0 splitting into Community and Enterprise editions, Neon
expanding paid plan data transfer fivefold to 500 GB monthly, and deep
insights from contributors on improving logical replication for upgrades
and multi-region pipelines. Tooling, reliability, and ecosystem evolution
remain front and center.
[image: Percona Operator for PostgreSQL 3.0.0: Hard Fork, OLM Scoping,
Major Upgrades]
<https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.percona.com%2Fblog%2Fpe…>
May 28, 2026 | Slava Sarzhan
Percona Operator for PostgreSQL 3.0.0: Hard Fork, OLM Scoping, Major
Upgrades
<https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.percona.com%2Fblog%2Fpe…>
Percona Operator for PostgreSQL 3.0.0 completes its hard fork from Crunchy
Data's operator, becoming fully independent. Key changes include renaming
Custom Resource Definitions to…
Read the Blog
<https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.percona.com%2Fblog%2Fpe…>
[image: We're including 5x more data transfer in all paid plans]
<https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fneon.com%2Fblog%2Fmore-data…>
Jun 01, 2026 | Brad Van Vugt
We're including 5x more data transfer in all paid plans
<https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fneon.com%2Fblog%2Fmore-data…>
Neon announces a significant increase in data transfer allowances for paid
plans, effective June 1, 2026. All paid subscribers now receive 500 GB of
monthly data transfer, up from…
Read the Blog
<https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fneon.com%2Fblog%2Fmore-data…>
[image: How to hack Logical Replication in PostgreSQL: Insights from
contributors]
<https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.postgresql.fastware.com…>
May 28, 2026 | Zhijie Hou
How to hack Logical Replication in PostgreSQL: Insights from contributors
<https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.postgresql.fastware.com…>
Logical replication in PostgreSQL has evolved significantly since its
introduction and is now widely adopted for cross-version upgrades,
multi-region deployments, and real-time an…
Read the Blog
<https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.postgresql.fastware.com…>
Top 5 Hacker Discussions
Active PostgreSQL development spans replication, storage, and access method
improvements. REPACK CONCURRENTLY saw its first patch portion committed
after catalog_xmin debate. Logical replication conflict logging continues
iterating on destination option design, with enum versus string-parameter
disagreement unresolved. Index prefetching targeting PostgreSQL 20 returned
at v25 with slot-based interface prioritized. WAL reduction via
xl_heap_visible elimination received test stability commits. A publication
EXCEPT-clause cleanup patch was abandoned after reviewers found no
justification for behavioral change.
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…>
Amit Kapila and Zhijie Hou discussed concerns about catalog_xmin handling
in the REPACK CONCURRENTLY feature. Kapila questioned whether the patch
should advance catalog_xmin to pr…
Read Discussion
<https://pgnexus.ai/hacker-discussions?subject=Adding%20REPACK%20%5Bconcurre…>
Proposal: Conflict log history table for Logical Replication
<https://pgnexus.ai/hacker-discussions?subject=Proposal%3A%20Conflict%20log%…>
The discussion focuses on implementing a conflict log history table feature
for PostgreSQL logical replication. Dilip Kumar released patch v44
incorporating feedback from multiple…
Read Discussion
<https://pgnexus.ai/hacker-discussions?subject=Proposal%3A%20Conflict%20log%…>
index prefetching
<https://pgnexus.ai/hacker-discussions?subject=index%20prefetching>
Peter Geoghegan has resumed work on index prefetching for PostgreSQL 20
after taking time away from the project. He posted v25 of the patch set,
which contains no substantive chan…
Read Discussion
<https://pgnexus.ai/hacker-discussions?subject=index%20prefetching>
eliminate xl_heap_visible to reduce WAL (and eventually set VM on-access)
<https://pgnexus.ai/hacker-discussions?subject=eliminate%20xl_heap_visible%2…>
The discussion centers on eliminating xl_heap_visible WAL records to reduce
WAL volume and eventually set visibility map on access. Melanie Plageman
committed several fixes to add…
Read Discussion
<https://pgnexus.ai/hacker-discussions?subject=eliminate%20xl_heap_visible%2…>
This Week's Industry Movements
Anthropic filed for an IPO after raising $65 billion at a
near-trillion-dollar valuation, while also releasing Opus 4.8 with
multi-agent Dynamic Workflows. Google launched Gemini Spark, a 24/7 AI
automation assistant. Meanwhile, hackers exploited Meta's AI support
chatbot to hijack Instagram accounts, exposing serious security risks when
AI systems with elevated permissions lack adequate safeguards.
[image: Anthropic files to go public]
<https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F06%2…>
techcrunch.com
Anthropic files to go public
<https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F06%2…>
Anthropic, the AI company behind the Claude chatbot, announced Monday that
it has confidentially filed for an initial public offering. The move marks
a significant step for the AI…
[image: Anthropic raises $65 billion, nears $1T valuation ahead of IPO]
<https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F05%2…>
techcrunch.com
Anthropic raises $65 billion, nears $1T valuation ahead of IPO
<https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F05%2…>
Anthropic has completed a $65 billion Series H funding round, reaching a
post-money valuation of $965 billion. This massive fundraise is believed to
be the company's final private…
[image: Google's Gemini Spark AI assistant launches with 24/7 automation
features]
<https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F05%2…>
techcrunch.com
Google's Gemini Spark AI assistant launches with 24/7 automation features
<https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F05%2…>
Google has launched Gemini Spark, a new 24/7 AI assistant designed to
automate everyday tasks such as inbox summaries and local event planning.
Early testing shows the tool is gen…
[image: Hackers hijacked Instagram accounts by tricking Meta AI support
chatbot into granting access]
<https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F06%2…>
techcrunch.com
Hackers hijacked Instagram accounts by tricking Meta AI support chatbot
into granting access
<https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F06%2…>
Several Instagram users reported over the weekend that their accounts had
been compromised through an exploitation of Meta's AI-powered support
chatbot. Hackers manipulated the au…
Want to stay up to date with the PostgreSQL community and industry news?
Visit PGNexus <https://pgnexus.ai> to learn more
June 3, 2026
PGNexus Weekly News 2026-05-27
by pgnexus
PGNexus Weekly News
This Week in PostgreSQL
This week covers PostgreSQL's expanding AI ecosystem, with new extensions
enabling transformer inference, Datalog queries, and approximate regex
indexing directly inside Postgres. A detailed migration guide helps
operators move between Kubernetes-based operators with minimal downtime,
while a vector index tradeoff guide addresses practical AI workload
decisions. Shardman 18 brings enterprise-grade horizontal sharding to
PostgreSQL 18, rounding out a technically rich week for DBAs and developers
alike.
[image: Migrate from Crunchy Data PostgreSQL Operator to Percona PostgreSQL
Operator: Standby Cluster Method]
<https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.percona.com%2Fblog%2Fmi…>
May 25, 2026 | Slava Sarzhan
Migrate from Crunchy Data PostgreSQL Operator to Percona PostgreSQL
Operator: Standby Cluster Method
<https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.percona.com%2Fblog%2Fmi…>
This blog post provides a detailed technical guide for migrating from
Crunchy Data PostgreSQL Operator to Percona PostgreSQL Operator using the
standby cluster method. The migrati…
Read the Blog
<https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.percona.com%2Fblog%2Fmi…>
[image: The Postgres Developer's Guide to Vector Index Tradeoffs]
<https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.tigerdata.com%2Fblog%2F…>
May 26, 2026 | Hien Phan
The Postgres Developer's Guide to Vector Index Tradeoffs
<https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.tigerdata.com%2Fblog%2F…>
This comprehensive guide examines vector index selection in PostgreSQL,
focusing on four key constraints: memory, recall requirements, write
frequency, and filter selectivity. The…
Read the Blog
<https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.tigerdata.com%2Fblog%2F…>
[image: Postgres Pro Shardman 18 — Review]
<https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fpostgrespro.com%2Fblog%2Fco…>
May 25, 2026 | postgrespro.com
Postgres Pro Shardman 18 — Review
<https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fpostgrespro.com%2Fblog%2Fco…>
Postgres Pro has released Shardman 18, a sharding extension for PostgreSQL
that enables horizontal scaling across multiple nodes. This version
introduces improved query planning a…
Read the Blog
<https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fpostgrespro.com%2Fblog%2Fco…>
Top 5 Hacker Discussions
Multiple patches and commits are in active progress: WAL reduction efforts
include fixes for REPACK CONCURRENTLY accumulation and elimination of
xl_heap_visible records, with test stability commits landed. Index
prefetching API design debates continue around TupleTableSlot usage versus
dedicated interfaces, with code consolidation concerns raised.
pg_plan_advice received a corrected fix from Haas. A proposed cleanup for
UNLOGGED table entries in publication EXCEPT lists was abandoned after
review deemed current behavior acceptable.
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…>
A patch for fixing WAL accumulation during REPACK CONCURRENTLY has been
submitted by Zhijie Hou after attending a pgconf.dev talk that clarified
this behavior is unintended. The i…
Read Discussion
<https://pgnexus.ai/hacker-discussions?subject=Adding%20REPACK%20%5Bconcurre…>
eliminate xl_heap_visible to reduce WAL (and eventually set VM on-access)
<https://pgnexus.ai/hacker-discussions?subject=eliminate%20xl_heap_visible%2…>
The discussion centers on eliminating xl_heap_visible WAL records to reduce
WAL volume and eventually set visibility map on access. Melanie Plageman
committed several fixes to add…
Read Discussion
<https://pgnexus.ai/hacker-discussions?subject=eliminate%20xl_heap_visible%2…>
index prefetching
<https://pgnexus.ai/hacker-discussions?subject=index%20prefetching>
Peter Geoghegan responds to Andres Freund's feedback on index prefetching
implementation details. The discussion focuses on API design for index-only
scans, particularly whether t…
Read Discussion
<https://pgnexus.ai/hacker-discussions?subject=index%20prefetching>
pg_plan_advice
<https://pgnexus.ai/hacker-discussions?subject=pg_plan_advice>
Robert Haas responded to Tender Wang's proposed fix for pg_plan_advice,
indicating that the suggested solution was not quite correct. The fix had
issues with filtering unique reli…
Read Discussion
<https://pgnexus.ai/hacker-discussions?subject=pg_plan_advice>
This Week's Industry Movements
OpenRouter raised $113M at a $1.3B valuation, signaling strong demand for
multi-model AI infrastructure as usage surged fivefold in six months.
Meanwhile, the Dutch government blocked a US firm from acquiring a cloud
provider hosting national digital ID services, highlighting Europe's push
for data sovereignty over critical infrastructure. Stord secured $250M to
challenge Amazon in e-commerce fulfillment while letting brands retain
customer relationships.
[image: OpenRouter more than doubles valuation to $1.3B in a year]
<https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F05%2…>
techcrunch.com
OpenRouter more than doubles valuation to $1.3B in a year
<https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F05%2…>
OpenRouter has raised a $113 million Series B funding round led by
CapitalG, more than doubling its valuation to $1.3 billion within a year.
The company provides a platform that a…
[image: Dutch government blocks US company from acquisition, citing 'risk
to public interest']
<https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F05%2…>
techcrunch.com
Dutch government blocks US company from acquisition, citing 'risk to public
interest'
<https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F05%2…>
The Dutch government has blocked a US company from acquiring a cloud
services provider that hosts the Netherlands' digital ID service, citing
risks to public interest. This decisi…
[image: Amazon fulfillment competitor Stord raises $250M at $3B valuation]
<https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F05%2…>
techcrunch.com
Amazon fulfillment competitor Stord raises $250M at $3B valuation
<https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F05%2…>
Stord has raised $250 million in funding at a $3 billion valuation,
positioning itself as a competitor to Amazon's fulfillment services. The
company operates a network of physical…
[image: Amazon fulfillment competitor Stord raises $250M at $3B valuation]
<https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F05%2…>
techcrunch.com
Amazon fulfillment competitor Stord raises $250M at $3B valuation
<https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F05%2…>
Stord has raised $250 million in funding at a $3 billion valuation,
positioning itself as a competitor to Amazon's fulfillment services. The
company operates a network of physical…
Want to stay up to date with the PostgreSQL community and industry news?
Visit PGNexus <https://pgnexus.ai> to learn more
May 27, 2026
PGNexus Weekly News 2026-05-26
by pgnexus
PGNexus Weekly News
This Week in PostgreSQL
This week's PostgreSQL highlights include Barman 3.18.0 with experimental
block-level incremental cloud backups, pg_tre 1.1.1 introducing approximate
regex indexing for PostgreSQL 18+, Postgres Pro Shardman 18 delivering
enterprise horizontal scaling, and a practical guide for migrating from
Crunchy Data to Percona PostgreSQL Operator with minimal downtime. Together
these releases advance backup efficiency, search capabilities, distributed
scaling, and Kubernetes operator flexibility.
[image: Postgres Pro Shardman 18 — Review]
<https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fpostgrespro.com%2Fblog%2Fco…>
May 25, 2026 | postgrespro.com
Postgres Pro Shardman 18 — Review
<https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fpostgrespro.com%2Fblog%2Fco…>
Postgres Pro has released Shardman 18, a sharding extension for PostgreSQL
that enables horizontal scaling across multiple nodes. This version
introduces improved query planning a…
Read the Blog
<https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fpostgrespro.com%2Fblog%2Fco…>
[image: Migrate from Crunchy Data PostgreSQL Operator to Percona PostgreSQL
Operator: Standby Cluster Method]
<https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.percona.com%2Fblog%2Fmi…>
May 25, 2026 | Slava Sarzhan
Migrate from Crunchy Data PostgreSQL Operator to Percona PostgreSQL
Operator: Standby Cluster Method
<https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.percona.com%2Fblog%2Fmi…>
This blog post provides a detailed technical guide for migrating from
Crunchy Data PostgreSQL Operator to Percona PostgreSQL Operator using the
standby cluster method. The migrati…
Read the Blog
<https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.percona.com%2Fblog%2Fmi…>
Top 5 Hacker Discussions
Several active development threads addressed pre-beta stabilization
concerns. A db-specific snapshot feature for concurrent REPACK was agreed
to revert from PostgreSQL 19 and retry in version 20. Index prefetching API
design debates continue around slot interfaces and code duplication across
table access methods. WAL reduction work targeting xl_heap_visible
elimination saw multiple test reliability commits. A pg_plan_advice fix was
pushed with a corrected relid filtering implementation. A proposed
publication EXCEPT-clause cleanup for UNLOGGED tables was ultimately
abandoned.
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 focuses on a patch for database-specific snapshots to enable
concurrent REPACK operations. Amit Kapila raises concerns about the
architectural implications, noting…
Read Discussion
<https://pgnexus.ai/hacker-discussions?subject=Adding%20REPACK%20%5Bconcurre…>
eliminate xl_heap_visible to reduce WAL (and eventually set VM on-access)
<https://pgnexus.ai/hacker-discussions?subject=eliminate%20xl_heap_visible%2…>
The discussion centers on eliminating xl_heap_visible WAL records to reduce
WAL volume and eventually set visibility map on access. Melanie Plageman
committed several fixes to add…
Read Discussion
<https://pgnexus.ai/hacker-discussions?subject=eliminate%20xl_heap_visible%2…>
index prefetching
<https://pgnexus.ai/hacker-discussions?subject=index%20prefetching>
Peter Geoghegan responds to Andres Freund's feedback on index prefetching
implementation details. The discussion focuses on API design for index-only
scans, particularly whether t…
Read Discussion
<https://pgnexus.ai/hacker-discussions?subject=index%20prefetching>
pg_plan_advice
<https://pgnexus.ai/hacker-discussions?subject=pg_plan_advice>
Robert Haas responded to Tender Wang's proposed fix for pg_plan_advice,
indicating that the suggested solution was not quite correct. The fix had
issues with filtering unique reli…
Read Discussion
<https://pgnexus.ai/hacker-discussions?subject=pg_plan_advice>
This Week's Industry Movements
This week in AI and tech: Google is overhauling Search into a
conversational, agent-driven experience that may drastically cut web
traffic to publishers. Andrej Karpathy, OpenAI co-founder, joins
Anthropic's pre-training team in a major talent win for Claude's
development. Meanwhile, a supply-chain attack campaign called Mini
Shai-Hulud has compromised dozens of popular open source packages,
threatening developers and downstream applications worldwide.
[image: Google Search as you know it is over]
<https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F05%2…>
techcrunch.com
Google Search as you know it is over
<https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F05%2…>
Google is fundamentally transforming its Search product from a traditional
list of links into an AI-powered experience centered on conversational
answers, autonomous agents, and i…
[image: OpenAI co-founder Andrej Karpathy joins Anthropic's pre-training
team]
<https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F05%2…>
techcrunch.com
OpenAI co-founder Andrej Karpathy joins Anthropic's pre-training team
<https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F05%2…>
Andrej Karpathy, a co-founder of OpenAI and prominent AI researcher, has
joined Anthropic to work on its pre-training team. Pre-training is the
phase responsible for large-scale t…
[image: Hackers have compromised dozens of popular open source packages]
<https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F05%2…>
techcrunch.com
Hackers have compromised dozens of popular open source packages
<https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F05%2…>
Dozens of popular open source software packages have been compromised in an
ongoing supply-chain attack campaign known as Mini Shai-Hulud. The
attackers have successfully infiltra…
[image: Hackers have compromised dozens of popular open source packages]
<https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F05%2…>
techcrunch.com
Hackers have compromised dozens of popular open source packages
<https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F05%2…>
Dozens of popular open source software packages have been compromised in an
ongoing supply-chain attack campaign known as Mini Shai-Hulud. The
attackers have successfully infiltra…
Want to stay up to date with the PostgreSQL community and industry news?
Visit PGNexus <https://pgnexus.ai> to learn more
May 26, 2026