Reproduction steps:
1. Open the attached “repro_IN-49860.zip“ project
2. Open the Profiler (Window > Analysis > Profiler)
3. Press the “Record profiling information (F9)“ button
4. Enter the Play Mode
5. While in Play Mode, disable and enable the “Canvas“ Component in the “Canvas“ GameObject
6. Observe the Profiler
Expected result: No spikes in performance
Actual result: There's a big spike in performance under “CanvasUpdate.PreRender” due to a great amount of “TMP.GenerateText” calls
Reproduced with: 3.2.0-pre.1, 3.2.0-pre.5 (2021.3.29f1), 4.0.0-pre.2 (2022.3.7f1, 2023.1.8f1, 2023.2.0b4)
Reproduced on: Windows 10