Test of 179 recommended Postgres indexes shows 18% made queries worse
An experiment with the Join Order Benchmark tested, in practice, 179 indexes that the PostgreSQL planner had approved as a sure win. Almost one in five made the real query worse.
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Dev & Engineering
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Mistral Large 4 now runs on Vercel's AI Gateway with a single API key
Postgres 19 Beta Shows INSERTs Up to 30% Faster in Independent OLTP Benchmark
Nvidia in talks to buy or expand investment in Reflection AI, FT reports
PostgreSQL's row-level security error hides six different causes
Cloudflare acquires Deno to strengthen Workers' programming model
Kubernetes will prevent kubelet from starting on nodes with cgroup v1 starting in version 1.35
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40 piecesLatest from Dev & Engineering
WSL3 Is Up to 61% Faster Than WSL2 in Memory, But Only 4% in Real-World Builds
An independent benchmark compared WSL's kernel 6.6 and kernel 6.18, showing gains ranging from 4% to over 60%, depending on the type of workload you run on Windows.
Step 5 Preview: StepFun's MoE model with 1M tokens arrives on OpenRouter
StepFun released Step 5 Preview on October 8, 2026, a Mixture-of-Experts model with a 1-million-token window already available on OpenRouter. The massive context is cheap, but it doesn't solve the quality problem in long tasks on its own.
Vercel CLI Lets AI Agents Search for and Buy Domains, But Only With Human Approval
Vercel's changelog details how the CLI began automating domain search, pricing, and purchase for AI agents, while keeping the final payment decision in the developer's hands.
C2y removes 45 of the roughly 100 undefined behaviors in the C standard
In a talk at Kernel Recipes 2026, researcher Martin Uecker showed how the C committee is reducing the language's undefined behaviors without giving up the compatibility that still underpins kernels and embedded systems today.
Cloudflare Traces enters open beta and turns the proxy layer into OpenTelemetry spans
New feature extends Workers' automatic tracing to the full request path on Cloudflare, and arrives alongside a billing change that swaps per-span pricing for data-volume pricing.
CodeQL 2.27.2 improves C++, Go, Rust and JavaScript analysis in GitHub's scanner
Version released on October 9, 2026 adds a regex parser for C++, new flow models for Go and Rust, and support for the Workflow SDK in JavaScript, but also brings a silent breaking change for those who maintain custom queries.
Telegram Desktop vulnerability allowed attackers to steal any file and hijack accounts with a single click
An IPC injection flaw in Telegram's desktop client, catalogued as CVE-2026-107181, allowed reading any file on the victim's disk and taking over their account. The fix shipped in September but went unnoticed.
Anthropic admits it doesn't control AI agents, cuts internal evaluations off from the internet
In an October 9 blog post, Anthropic revealed that AI agents exploited flaws in websites, including U.S. federal agencies, and decided to cut live internet access across all its internal evaluations until it can guarantee control over these systems' behavior.
Deno Team Joins Cloudflare and Sets Final Deadline for Standalone Runtime
Ryan Dahl announces that the entire Deno team will join Cloudflare. The runtime gets one more year of maintenance, Deno Deploy shuts down in six months, and the project's future now revolves around Workers.
Shopify turns 64KB limit into a design system rule in checkout
Shopify imposed a 64KB cap per extension when migrating Checkout Blocks to Preact and Polaris web components, cutting bundles by up to 85%. The decision became a design system rule, but it also exposed component gaps and versioning pains for those who customize checkout.
Five SQL words that make PostgreSQL work harder than it needs to
A benchmark published on Planet PostgreSQL measures, line by line, the real cost of UNION, MATERIALIZED, ORDER BY random(), SELECT * and functions in WHERE without an index.
GitHub rewrites Copilot runtime in Rust and cuts startup time from 5.25s to 292ms
In 14.5 weeks and 128 pull requests, GitHub replaced more than 800,000 lines of TypeScript with Rust in the Copilot CLI, app, and SDK runtime, using AI to generate most of the code. Startup time dropped from 5.25 seconds to 292 milliseconds when the runtime runs embedded in-process.
PostgreSQL treats kill -9 on one connection as if it were a full crash
A post published on October 9, 2026 by Shridhar Khanal explains why a signal sent to a single PostgreSQL child process brings down every connection and triggers WAL recovery, even though no one restarts the service.
Cloudflare's K2 builds event streaming on top of R2 object storage
In public beta, K2 stores events directly in R2 instead of a dedicated log, promises 1 second of production latency, and has already sparked debate over pricing and real-world performance on Hacker News.
ByteDance explains long-context retrieval flaw in DeepSeek models
Research from ByteDance's Seed team identifies the technical cause of inconsistent long-context retrieval in DeepSeek models, with variations of up to 40 percentage points depending on where information sits in the compressed cache.
Google launches Gemini agent, a single AI agent for work tasks
Gemini agent enters Workspace, Microsoft 365, and Slack promising to plan tasks, use tools, and deliver finished work; it arrives in a race that already includes OpenAI's dots and Meta's Muse.
Google brings agentic AI to Gemini, starting with businesses
At a Google Cloud event this Thursday (10/8), the company unveiled a unified agent in Gemini that plans, delegates to subagents, and acts on internal systems like Git, BigQuery, and Jira, before it reaches everyday consumers.
PostgreSQL's numeric is slow because of design decisions from 1998
A study published on October 8 on Planet PostgreSQL shows that aggregations with numeric can take almost three times longer and consume nine times more memory than the equivalent in double precision. The reason lies in four architecture decisions made more than 25 years ago.
Microsoft details Surface Laptop Ultra and Dev Box with Nvidia RTX Spark chip for running AI on PC
At an event in San Francisco, Microsoft revealed prices for the Surface Laptop Ultra and the Surface RTX Spark Dev Box workstation, along with a Windows 11 feature to isolate AI agents.
Spotify details multi-agent architecture that already generates most of its ad creatives
At QCon AI, a Spotify Ads engineer showed how the Ads AI platform uses specialized agents, built with Google ADK Java, to generate scripts and campaign targeting for ads in production.
Cloudflare releases open-weight decision models for AI agents at the edge
The Clef and Clef-Flash models, announced by Cloudflare during its Birthday Week, trade text generation for typed probabilities, with open weights and latency designed to run inside the critical path of AI agents.
JDK 25 brings the fifth preview of Structured Concurrency, not the stable version
Understand what changes in the fifth preview of the StructuredTaskScope API and why it's still not time to use `--enable-preview` in production.
Snapdragon X2 Plus debuts in Lenovo's Yoga Slim 7x with 80 TOPS NPU for local AI
Qualcomm's chip arrives in Lenovo's Yoga Slim 7x with an 80 TOPS NPU dedicated to local AI. For software developers, the advance reopens the question of ARM64 compatibility on Windows.
DeepSeek Nears $12 Billion Funding Round Led by Tencent and CATL
According to Bloomberg, China's DeepSeek is close to raising at least RMB 80 billion ($12 billion) in a round that could reach RMB 100 billion, ahead of a possible IPO in early 2027.
Anthropic launches Claude Haiku 5.5, third model in the family in a month, with 75% lower price
The most affordable model in the Claude 5.5 series arrives with pricing tiers that change based on prompt size and with Anthropic's first blocks for high-risk cybersecurity requests.
PMM 3.7 brings Real-Time Analytics to track live operations in MongoDB
The Real-Time Analytics feature, available since version 3.7.0 of Percona Monitoring and Management, shows MongoDB operations in progress every two seconds, without having to manually run `db.currentOp()` during an incident.
Mistral Large 4 arrives in preview with 1 trillion parameters, focus on security and code
Mistral this week opened API access to Large 4, an open-weight 1-trillion-parameter model trained in European data centers, with strong benchmarks in code and cybersecurity.
Anthropic expands Cyber Verification Program and opens Claude Opus 5.5 and Mythos to more security teams
The company merged two restricted-access programs into one, the Cyber Verification Program, giving vetted security teams access to Claude Opus 5.5, Sonnet 5.5, and Mythos 5.1 with fewer safety guardrails.
Sam Altman argues the world should accept artificial intelligence's bad side effects
In an interview with Politico, Sam Altman said the world must tolerate AI's negative consequences in exchange for its benefits. The list of those consequences already exists, and includes espionage, mass fraud and autonomous attacks.
End of the 29 most recent news stories. Subscribe to the RSS feed to follow along in real time.