Editor scrolling responds wildly on Linux platforms

Development Pipeline & Plugins
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1

I’m using the Unreal Editor on Linux through a VDI connection. Interacting with the 3d environment is nearly impossible due to the hyperresponsiveness of the mouse -- small mouse movements translate to EXTREME rotations when alt clicking to pan the camera.

I suspect I am encountering the same issue as https://forums.unrealengine.com/t/editor-camera-too-fast-when-streaming-ue-through-a-remote-mechanism/246853 -- I’ve tried reducing the mouse sensitivity in the Editor Settings panel, but this has a hard lower limit of 0.01 and does not meaningfully change this behavior.

Are there any other configuration settings I can use to smooth interaction with the editor on Linux?

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2

Steps to Reproduce

  1. Download and unpack the Unreal Editor from https://www.unrealengine.com/en\-US/linux
  2. Open the editor and jump into a new default project
  3. Right click and drag to pan the camera. The camera moves way too fast to be useful.
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3

Hi Connor,

I am able to repro the issue on linux using the legacy gizmos. However, the issue appears to be resolved when using the new experimental gizmos in the main branch of UE.

I hope that helps,

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4

I’m currently stuck on an old version of Unreal without the ability to switch to the main branch, but this appears to be an interaction with a remote desktop session. Launching the editor with -norelativemousemode fixes the issue; camera controls and scrolling around blueprints all behave normally (with reasonable speeds).

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5

Thanks for the update, I’m glad to hear that you’ve found a workaround for the issue.

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