Reproduction steps:
1. Open the attached project “CanvasTextBug“
2. Open the Scene “Assets/Scenes/SampleScene”
3. In the Hierarchy window select the GameObject “Canvas”
4. In the Canvas component enable the option “Vertex Color Always in Gamma Color Space”
5. In the GameView observe the text “Text UGUI”
Expected result: The text color remains the same
Actual result: Enabling the option “Vertex Color Always in Gamma Color Space” changes the text color
Reproducible with: 2022.2.19f1, 2023.1.0b16, 2023.2.0a15
Couldn't test with: 2020.3.48f1, 2021.3.25f1 (“Vertex Color Always in Gamma Color Space” option does not exist)
Reproducible on: Windows 11