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Fixed in 2021.1.X

Votes

0

Found in

2021.1.0a1

2021.1.0a5

Issue ID

1293317

Regression

Yes

Memory leak when continuously triggering repaint on a custom Editor window which redraws meshes on every repaint

IMGUI

-

Reproduction steps:
1. Open the attached project ("1293317.zip") or import the attached "StressMesh.cs" script to any project
2. In the Menu bar select "Fun Times" -> "Let's GO!"
3. Trigger window repaint by focusing the "StressMeshWindow", click on another window to unfocus
4. Repeat step 3 while observing memory consumption

Expected result: Memory consumption stays the same
Actual result: Memory consumption increases with every repaint

Reproducible with: 2021.1.0a1, 2021.1.0a7
Not reproducible with: 2019.4.15f1, 2020.1.15f1, 2020.2.0b13
Couldn't test with: 2018.4.29f1 due to UIElements errors

  1. Resolution Note (fix version 2021.1):

    Fixed in 2021.1.0a9

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