How to reproduce:
1. Create a new Project
2. Go to Edit > Project Settings > Player > Resolution and Presentation
3. Change to Windowed or Maximized Window
4. Toggle on Resizable Window
5. In the Player settings, go to “Other Settings”
6. Set the Input Handler as "Input System (New)"
7. Build and Run the Player
8. Try resizing the Player Window when the mouse comes from the inside of the Window
9. Observe the Mouse cursor

Expected result: Resizing cursor is shown
Actual result: Resizing cursor is not always shown

Reproducible with: 6000.0.57f1, 6000.0.60f1 (61dfb374e36f), 6000.2.8f1 (c9992ac36c34), 6000.3.0b6 (211490bb75a6), 6000.4.0a3
Not reproducible with: 6000.0.56f1

Reproducible on: Windows 11 Pro (24H2)
Not reproducible on: macOS 14.5 (Apple M1)

Note: You can still resize the window, it is just a visual bug where you can’t see the cursor turn into a resizing cursor