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Content repeatedly getting cut off in Chats after a while and automatic scrolling to the bottom stops working

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#612 3 comments 0 reactions 0 assignees View on GitHub

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Assessment

Difficulty
4/5
Estimated time
3-5 days
Newbie friendliness
35/100
Issue type
Bug
Clarity
Mostly clear
Activity status
Stale
Tech stack
macos, swift
Domain
desktop

Research direction

No source file, test, or log is identified; start by reproducing the issue in a Copilot Chat window using larger agent tasks and the reported Copilot for Xcode 0.44.0, Xcode 26.1, and macOS 26.1 versions. Done means chat content is not cut off and automatic scrolling continues to the bottom so controls remain usable.

Written by the indexing model from the issue text.

Description

Describe the bug
In Copilot Chat windows (not matter what size the window is / if it is full screen) content will always repeatedly get completely cut-off at the bottom in the chat no matter what after a while. Automatically scrolling to the bottom also stops working, i.e. I have to always manually scroll down on my own to the bottom to see what's happening and to allow commands (If the "allow" button didn't get cut off again by the other issue). This is especially annoying and slightly more time-consuming with a multi-screen setup.

Versions

  • Copilot for Xcode: 0.44.0
  • Xcode: 26.1
  • macOS: 26.1

Steps to reproduce

  1. Start/Open a Chat
  2. Let the AI Agent do bigger tasks
  3. Wait / let the AI do it's thing and maybe make some more requests in the chat till the issues appear

Screenshots
Image

Logs
None

Additional Context
None

Dominant language
Swift
Stars
6.3k
Forks
2k
Avg merge
3d 21h
Merged PRs (30d)
2

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