Dev Stack
GitHub Actions blocks self-hosted runners below 2.329.0
Since September 29, 2026, GitHub rejects self-hosted runners older than 2.329.0 and stops jobs on runners that miss a 30-day update window.
Microsoft news and analysis
Microsoft news for developers: VS Code releases with agent features, Rust becoming a tier-1 language, Windows 11 security defaults and developer modes for local AI, Edge extension policy, and Azure revenue disclosures. Each story says what changes, when it rolls out and what may break.
Coding
SharePoint, MikroTik bugs hit CISA's exploited list
CISA added a Microsoft SharePoint Server bug and a MikroTik RouterOS exploit chain to its exploited-vulnerability list, with a patch deadline of September 28 for U.S. federal agencies.
AI & LLMs
Microsoft's AI code of conduct is a draft, not a rule yet
Microsoft published absolute constraints for its MAI models on September 14, 2026, then said its current models are not yet trained on the document.
Coding
Rust is now a tier-1 language at Microsoft
Microsoft made Rust a tier-1 language beside C++, C# and TypeScript. More than 100 of its repositories now build Rust code.
Dev Stack
VS Code 1.136 adds Agent Merge to finish pull requests
VS Code 1.136 ships Agent Merge in preview. An agent answers review comments, fixes failing checks and resolves conflicts until a pull request is ready.
Dev Stack
Microsoft's Project Zenith is a Windows mode built for local AI coding
Project Zenith is a developer-focused Windows 11 experience for running 30B-plus parameter models locally, on PCs with 64GB of unified memory.
Tech Industry
Microsoft discloses Azure's $29.4B quarterly revenue
Microsoft will report Azure's exact quarterly revenue for the first time and redraw what counts as Azure starting fiscal 2027. Q4 alone was $29.4 billion.
Tech Industry
Windows 11 turns on memory integrity by default from October 13
Microsoft will switch on Windows 11's kernel protection automatically on eligible PCs from the October 13 Patch Tuesday. Old drivers are the thing most likely to break.
Tech Industry
Edge begins dropping Manifest V2, leaving uBlock Origin to Firefox
Microsoft Edge has begun phasing out Manifest V2 extensions, cutting off classic uBlock Origin and leaving Firefox as the last major browser still running it.
The daily brief
Three to five stories a day, and what each one means for the people who build software. Free, no spam.