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September 26, 2026
On Sep 25, GitHub added a pull_request_review_times array to GitHub Copilot usage reports. It breaks down pull request time by review stage in repos-1-day rows.
Source
who it's about
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Release
GitHub Copilot will surface configuration errors: validator shows the JSON pathSeptember 26
Release
Claude Code will not allow a new model without approval: exact mode in v2.1.283September 26
Tip
Opus 5.5 rewrote a Rust engine in assembly: up to 17× fasterSeptember 26
Insight
Chat is not always enough for GitHub Copilot: the app includes canvasesSeptember 25
Release
Copilot brings chat, code and agents into one window: Microsoft combines 3 modesSeptember 25
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