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Copilot Chat v0.40.2026031802: Version Bump

Copilot Chat v0.40.2026031802 ships with GPT-5.4 model updates. Minor version bump with incremental improvements.

TL;DR

Version bump to 0.40.2026031802
GPT-5.4 model updates included

New

GPT-5.4 model updates — Latest model improvements rolled into this release, following the v0.40.1 GPT-5.4 updates

Update via VS Code extensions marketplace or run: code --install-extension ms-copilot.copilot-chat

Source: Copilot Chat

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