Reproduction steps:
1. Open the attached “BugRepro” project
2. In the Build Profile window, enable Development Build option
3. Build the project and run it on an iOS device
4. In the Memory Profiler (Window > Analysis > Memory Profiler), attach it to the iOS device
5. Capture and inspect a memory snapshot
6. In the Unity Objects tab, observe the “Texture2D” Allocated size

Expected result: The allocated size is low, around 25MB
Actual result: The allocated size is 188 MB or more

Reproducible with: 6000.0.29f1, 6000.1.0a6
Not reproducible with: 2022.3.53f1
Couldn't test with: 2021.3.46f1 (Undefined symbol errors when building in Xcode)

Testing environment: macOS Sequoia 15.1.1 (M1 Max)

Reproducible with these devices:
VLNQA00624, iPhone 16 Pro, iOS 18.0.1, CPU: Apple A18 Pro
VLNQA00394, iPhone 13 mini, iOS 18.1, CPU: Apple A15 Bionic
VLNQA00359, iPhone 12 Pro, iOS 17.6.1, CPU: Apple A14 Bionic

Couldn’t test with these devices:
VLNQA00363, Samsung Galaxy Z Fold 2 5G, Android 12, CPU: Snapdragon 865 SM8250, GPU: Adreno 650 (errors when launching the project)

Note: If you build the project on an unaffected version and then port to and build the project on an affected version, the issue is not reproducible. To solve this, you have to delete the Library folder in the project directory before building