The GitHub Copilot app for Mac does not resize itself correctly when the scre...

The GitHub Copilot app for Mac does not resize itself correctly when the screen resolution is changed or when I unplug my external screen. I have captured a screenshot of it here, which internal Microsoft folks can see.

https://onedrive.cloud.microsoft/:i:/a@v8ht7bw6/r/_layouts/15/onedrive.aspx?id=%2Fa%40v8ht7bw6%2FDocuments%2FPictures%2FScreenshots%2FGithub%20Copilot%20App%20resize%20bug%20on%20Mac%2Ejpg&parent=%2Fa%40v8ht7bw6%2FDocuments%2FPictures%2FScreenshots&share=cQqkKqdcVA3OQIiTRLcGSlUfEgUCvKnuhsyNHnk9VP2BxgfbOQ

---
| Field | Value |
| --- | --- |
| App version | 1.0.21 |
| OS | macOS 26.5.2 |
| Theme | GitHub |
| Path | /chat |
| Tenure | Week 6 |

Start by reproducing the resize issue in the GitHub Copilot app on macOS 26.5.2, using version 1.0.21 and the /chat path. Change the screen resolution or unplug an external display and compare the window behavior with the linked screenshot. Done means the app resizes correctly in both scenarios.

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