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Input method can't use up/down arrow to select as those keys are used by Copilot

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Assessment

Difficulty
3/5
Estimated time
1-2 days
Newbie friendliness
28/100
Issue type
Bug
Clarity
Needs clarification
Activity status
Stale
Tech stack
macos, swift
Domain
desktop

Research direction

The issue does not name any files, tests, or entry points. Start by locating the Copilot prompt-navigation key handling in the Xcode integration, then reproduce the conflict with macOS input-method character selection. Done means up/down arrows can select input-method characters without incorrectly switching Copilot prompts.

Written by the indexing model from the issue text.

Description

Describe the bug

on macOS up/down arrow are used to select character in Input method. However, it is also used by Copilot to switch between prompts.

Versions

  • Copilot for Xcode: 0.44.148
  • Xcode: 26.1 rc
  • macOS: 26.0.1

Steps to reproduce
1.
2.

Screenshots

Logs

Additional context

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

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