Tiled not unloading files stored in RAM #4063

Describe the bug While loading a large sum of image files, I noticed memory usage had hit 90%+ and so closed the file i was currently working on. Memory usage did not change.

To Reproduce Steps to reproduce the behavior:

1. Load large amount of files
2. Open Task Manager, or similar system viewer
3. Close Tab with large amount of files
4. Observe memory usage not changing

Expected behavior Expected memory usage to decrease when closing tab and deloading the images.

Media N/A

Specifications:

• OS: Windows 11
• Tiled Version: 1.11.0