Tested versions

• Reproducible in 4.5.stable
• Reproducible in 4.5.dev2
• Not reproducible in 4.5.dev1

System information

Godot v4.5.stable - Arch Linux #1 SMP PREEMPT_DYNAMIC Thu, 11 Sep 2025 17:42:36 +0000 on Wayland - Wayland display driver, Multi-window, 1 monitor - Vulkan (Mobile) - integrated AMD Radeon 760M Graphics (RADV PHOENIX) - AMD Ryzen 5 7640U w/ Radeon 760M Graphics (12 threads) - 30.53 GiB memory

Issue description

When closing and reopening a popup window (file selector, Project Settings, type selector, etc.) the window grows from its previous size. This happens incrementally every time the window is closed and reopened; the screenshots below are each after one close/reopen from the previous screenshot.

Steps to reproduce

1. Open the Project Settings window
2. Close the Project Settings window
3. Reopen the Project Settings window

Minimal reproduction project (MRP)

N/A