gemini-cli - 💡(How to fix) Fix Screen is blinking during active usage in terminal [1 comments, 2 participants]

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google-gemini/gemini-cli#25390Fetched 2026-04-15 06:45:07
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What happened?

During intensive work-in-progress updates, the bottom part of screen is blinking in terminal significantly. Especially when there is an in-progress streaming of model thoughts/answers/updates and you are typing at the same time. But not only when with typing.

This may affect user health eventually, especially for those who are sensitive to screen flashes/blinking, up to triggering epilepsy episodes.

See this recording: <video src="https://github.com/user-attachments/assets/7ced41e7-de7e-4e2b-b64d-c1fdfc582b55" width="100%" controls> Your browser does not support the video tag. </video>

What did you expect to happen?

During work-in-progress updates, the screen should not blink in terminal.

Client information

  • CLI Version: 0.3.2
  • Git Commit: 545e956c3
  • Session ID: f83b9a03-d3ea-4e9a-a916-b59fcbef49b8
  • Operating System: darwin v24.12.0
  • Sandbox Environment: no sandbox
  • Model Version: uto-gemini-3
  • Auth Type: oauth-personal
  • Memory Usage: 393.6 MB
  • Terminal Name: Unknown
  • Terminal Background: #ffffff
  • Kitty Keyboard Protocol: Unsupported problem=during work-in-progress updates, screen is blinking in terminal. can that be fixed plz?

Login information

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Anything else we need to know?

No response

extent analysis

TL;DR

The blinking screen issue during work-in-progress updates in the terminal may be related to the rendering of model thoughts/answers/updates and simultaneous user typing, and a potential fix could involve optimizing the update rendering process.

Guidance

  • Investigate the rendering logic for model thoughts/answers/updates to identify potential causes of the blinking screen, such as excessive re-renders or inefficient DOM updates.
  • Consider implementing a debouncing or throttling mechanism to limit the frequency of updates and reduce the load on the terminal.
  • Review the terminal settings and configuration to ensure that there are no conflicting settings or plugins that could be contributing to the issue.
  • Test the application with different terminal backgrounds and settings to see if the issue is specific to certain configurations.

Example

No specific code example can be provided without more information about the rendering logic and terminal configuration.

Notes

The provided information suggests that the issue may be related to the specific terminal setup and configuration, and further investigation is needed to determine the root cause. Additionally, the issue may be specific to certain models or update scenarios.

Recommendation

Apply workaround: Implement a debouncing or throttling mechanism to limit the frequency of updates and reduce the load on the terminal, as this may help mitigate the blinking screen issue.

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gemini-cli - 💡(How to fix) Fix Screen is blinking during active usage in terminal [1 comments, 2 participants]