[Windows] Severe input lag and UI freezes when opening app and typing in chat
Nobody has claimed this yet.
Assessment
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Newbie friendliness
- 45/100
- Issue type
- Bug
- Clarity
- Mostly clear
- Activity status
- Quiet
- Tech stack
- rust
- Domain
- cli, desktop, performance
Research direction
Reproduce the typing lag and long-session freeze on Windows using the reported app version, following the listed steps. Trace the affected desktop/CLI paths and session-history handling; done means chat input responds promptly and opening or continuing large sessions remains responsive without crashing.
Written by the indexing model from the issue text.
Description
What version of the Codex App are you using (From “About Codex” dialog)?
版本 26.715.52143
What subscription do you have?
PRO
What platform is your computer?
Microsoft Windows NT 10.0.26200.0 | AMD64
What issue are you seeing?
Problem 1 (Input Lag):
When typing in the chat input box, characters exhibit significant delay (over 10 seconds), making it nearly unusable.
Problem 2 (UI Freeze/Crash when opening long sessions):
When opening or continuing a long-running session with extensive conversation history, the application UI freezes completely for an extended period and often crashes.
What steps can reproduce the bug?
- Launch Codex desktop/CLI application.
- Open any chat conversation.
- Start typing in the input field → observe 10s+ lag per keystroke.
- Open a session with large history → observe UI freeze/unresponsiveness.
What is the expected behavior?
No response
Additional information
No response
- Dominant language
- Rust
- Stars
- 125k
- Forks
- 19.5k
- Avg merge
- 1m
- Merged PRs (30d)
- 1k
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
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