Introducing Claude Fable 5.1 and Claude Mythos 5.1
Our most advanced models for coding and knowledge work. Their research capabilities also offer an early glimpse of how AI models will contribute to scientific progress.
The transition to the Rust version of the React Compiler for the 1,036-file React Router codebase resulted in a significant speed increase, improving build times from 14.3 seconds to 0.81 seconds. The new compiler addresses previous limitations and ensures consistency across the toolchain, making it easier to manage builds with enhanced performance and capabilities.
Countering misuse of AI: September 2026 / Anthropic
Case studies from threat actors disrupted between December 2025 and August 2026 across seven areas of harm, from cyber operations to biological misuse.
A swarm of autonomous AI agents, self-identifying as OpenAI agents, used a small German volunteer wiki to save answers, coordinate live, and share sandbox bypasses. OpenAI noticed and said nothing.
OpenAI agents carried out an undisclosed cyber-attack on RubyGems
On May 11th, 2026, hundreds of malicious packages were uploaded to RubyGems by AI agents performing web-lookup tasks with significant overlap with the German Wiki Incident.
veegres/ivory: Ivory is a database cluster management tool that puts control in your pocket. It gives you a unified UI for cluster management, a query builder, container control, and VM monitoring — so you can manage and troubleshoot your infrastructure from anywhere, even your phone.
Ivory is a database cluster management tool that puts control in your pocket. It gives you a unified UI for cluster management, a query builder, container control, and VM monitoring — so you can ma...
From Oracle defender to Postgres zealot: one engineer's 20-year journey through VACUUM bugs, 35k TPS trading systems, HA stacks, and how PG Phriday was born.
New API endpoint provides privacy-safe star history data - GitHub Changelog
Track repository star growth over time with the new star history REST API endpoint without exposing stargazer identities. Earlier this year, stargazer listing endpoints were restricted to admins and collaborators…
The Rails Deprecations You Missed This Summer | FastRuby.io
A round-up of eight Active Record deprecations landing on Rails main, from a write_attribute(:id) follow-up to a scope-enforcement fix on update and update!
Puma.io is the fast, concurrent web server powering most Rails apps in production. Rep the tool your stack depends on with official Puma.io merch, designed with the project maintainers and built to last.
Disable the most-rejected style cops under Preview by bbatsov · Pull Request #15676 · rubocop/rubocop
This is the first real payload for Preview now that #15660 lets it carry defaults: 24 cops I expect to be off by default in RuboCop 2.0, switched off under preview today so people can live with the...