Search Issue Tracker
Fixed in 2022.1.X
Fixed in 2019.4.X, 2020.3.X, 2021.1.X, 2021.2.X
Votes
35
Found in
2019.4.29f1
2020.3.13f1
2021.1.10f1
2021.2
2022.1
Issue ID
1348763
Regression
Yes
Performance degradation when activating or deactivating uGUI GameObject
Reproduction steps:
1. Open the attached project "PerformanceBug.zip"
2. Open the "PerformanceTest" Scene
3. Open the Profiler (Window > Analysis > Profiler)
4. Enter Play Mode and record at least 50 frames
5. Exit Play Mode
6. Select the CPU Usage module in the Profiler
7. In the Profiler Hierarchy, navigate to "PlayerLoop > Update.ScriptRunBehaviourUpdate > BehaviourUpdate > PerformanceTest.Update"
8. Select a frame in the Timeline that contains the GameObject.Activate method
9. Observe the GameObject.Activate method's "Time ms" value
Expected result: time does not significantly increase
Actual result: time increases by a multiple of 2 or more
Reproducible with: 2019.4.29f1, 2020.3.13f1, 2020.3.14f1, 2021.1.10f1, 2021.1.16f1, 2021.2.0b5, 2022.1.0a3
Not reproducible with: 2019.4.28f1, 2020.1.0a1, 2020.3.12f1, 2021.1.0a1, 2021.1.9f1
-
Alexander_Nasonov
Sep 09, 2021 07:23
We need this fix very much! Please fix! 2019.4 LTS.
-
Sollaninn
Sep 09, 2021 07:18
2019.4 LTS need fix
-
DLord
Sep 09, 2021 07:15
We need fix for 2019.4 LTS.
-
GloriaVictis
Sep 07, 2021 11:20
2019.4 LTS fix pls!
Add comment
All about bugs
View bugs we have successfully reproduced, and vote for the bugs you want to see fixed most urgently.
Latest issues
- Dropdown menu covers the button when there is no space for it from below
- WebCamDevice only returns one rear-facing camera when built on Android
- Reimporting a Scripted Importer Asset when Profiler is recording will make it null
- Created Import Issue Asset doesn't show up in the Project window until the Unity Editor is restarted
- Crash on CachedWriter::Write when building a project that has access to files being denied
Resolution Note (fix version 2022.1):
Fixed in: 2022.1.0a10
Resolution Note (fix version 2021.2):
Fixed in: 2021.2.0b14
Resolution Note (fix version 2021.1):
Fixed in: 2021.1.24f1
Resolution Note (fix version 2020.3):
Fixed in: 2020.3.19f1
Resolution Note (fix version 2019.4):
Fixed in: 2019.4.31f1