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Fixed in 2022.1.X

Votes

1

Found in

2018.4

2019.4

2020.2.7f1

2020.3

2021.1

2021.2

Issue ID

1319556

Regression

No

UI Meshes and Event System Objects not removed between instances of Player

uGUI

-

1. Open attached project "ProfilerInstances 2.zip" and scene "SampleScene"
2. Open Memory Profiler by going Window>Analysis>Profiler>Memory
3. Enter and exit Play Mode repeatedly
4. In Profiler window's Memory tab, observe how the number of Textures, Meshes, and Total Objects In Scene is getting higher after every new play
5. In Hierarchy window, disable or delete Canvas and EventSystem GameObjects
6. Enter and Pause Play Mode, observe numbers in Profiler again

Expected result: The number of Textures, Meshes, and Total Objects In Scene stays the same on every new play
Actual result: The number of Textures, Meshes, and Total Objects In Scene is increasing with every new play except when the Canvas and EventSystem GameObjects are disabled

Reproducible with: 2018.4.33f1, 2019.4.25f1, 2020.3.8f1, 2021.1.6f1, 2021.2.0a16

Note:
Inconsistently, the number of Textures, Meshes, and Total Objects still increases when the Canvas and EventSystem GameObjects are disabled/removed.

  1. Response avatar

    Resolution Note (fix version 2022.1):

    Fixed in 2022.1.0a7

Comments (1)

  1. D31750828456fdbfc93aa40e5a2520c4?d=mm

    Xepherys

    May 05, 2021 17:59

    I'm hoping this is something that receives adequate votes to have resolved sooner rather than later. This sort of thing occurs in even the sample scene that I submitted. With more complex scenes, this could increase. I've yet to verify whether scenes being destroyed/opened in a built executable exhibits this behavior, but even in the editor this can make it a bit more difficult to track down and resolve issues related to graphics performance.

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