Reproduction steps:
1. Open the attached “ASTCtest.zip” project
2. In the Menu Bar, select “Tools” > “Reproduce” > “Step1”
3. Press “Okay” in the pop-up window and wait until the Editor closes
4. Open the project again
5. In the Menu Bar, select “Tools” > “Reproduce” > “Step2”
6. Open the ImageDataChecker window (Tools > TextureDataChecker)
7. Set “TargetA” to “<Project directory>/Step1.bin“ and “TargetB” to “<Project directory>/Step2.bin“
8. Press “Check Diff”
9. Observe the message below the “Check Diff” button

Expected result: The message reports that the files are the same
Actual result: The message reports that there are differences in the files and lists them

Reproducible with: 2023.3.0a11, 6000.0.36f1, 6000.1.0b4, 6000.2.0a1
Not reproducible with: 2022.3.57f1, 2023.3.0a10

Reproducible on: macOS Sequoia 15.2 (M1 Max)
Not reproducible on: No other environments tested

Note: Before step 1, project’s Library has to be deleted