obsproject / obsproject/obs-studio

Significant lag spikes when moving mouse to top of screen when in full screen

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Dominant language
C
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Forks
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Avg merge
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Merged PRs (30d)
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Description

Operating System Info

macOS 26

Other OS

No response

OBS Studio Version

32.1.0

OBS Studio Version (Other)

No response

OBS Studio Log URL

https://obsproject.com/logs/FLZn8onVhuJoCux1

OBS Studio Crash Log URL

No response

Expected Behavior

View the top bar that has the fullscreen and close icons, and view the time and menu bar.

Current Behavior

It appears, but there are significant lag spikes, and the rendering lag goes crazy, causing many dropped frames.

Steps to Reproduce
  1. Open OBS on Mac
  2. Fullscreen the program
  3. Move the mouse to the top of the screen to make the menu bar appear.
    ...
Anything else we should know?

No response

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by reproducing the issue on macOS 26 with OBS 32.1.0 using the listed steps, then inspect the OBS log at https://obsproject.com/logs/FLZn8onVhuJoCux1 while revealing the menu bar in fullscreen. Done means the top bar appears without significant lag spikes, rendering lag, or dropped frames.

Written by the indexing model from the issue text.

Assessment

Tech stack
macos
Domain
desktop, performance
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Quiet
Clarity
Mostly clear
Newbie friendliness
45/100

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