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Fixed in 2020.1.X

Fixed in 2019.4.X



Found in






Issue ID




[Linux] [Editor] Input.GetAxis("Mouse ScrollWheel") always returns 0 when Cursor.lockState is set to CursorLockMode.Locked



How to reproduce:
1. Open user's attached project (
2. Open SampleScene and enter Play mode
3. While Play mode is focused, scroll the mouse wheel forward and back, observe that Input.GetAxis("Mouse ScrollWheel") does not always return 0
4. Press 1 to lock cursor
5. Repeat step 3

Expected result: Input.GetAxis("Mouse ScrollWheel") returns values regardless of what state the cursor is in
Actual result: Input.GetAxis("Mouse ScrollWheel") always returns 0 when cursor is locked

Reproducible with: 2018.2.0b4, 2018.4.17f1, 2019.3.2f1, 2020.1.0a23
Not reproducible with: 2017.4.36f1, 2018.2.0b4
Regression from 2018.2.0b3 to 2018.2.0b4

Note: Not reproducible in Player.

  1. Resolution Note (fix version 2020.1):

    Fixed scroll events not being passed to the Linux editor when cursor was set to CursorMode.Locked.

  2. Resolution Note (fix version 2020.1):

    Fixed in version 2020.1.0b10

  3. Resolution Note (fix version 2019.4):

    Fixed in version 2019.4.0f1

Comments (1)

  1. oobartez

    Apr 30, 2020 15:58

    The same problem appears on macOS with Unity 2019.3.10 in full-screen standalone builds, works fine in windowed mode and in editor.

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