Room Editor: Copy and Paste of Instances and Assets not working 99% of the time in 2024.200 Beta 6

[nullbunny]

Description

Loaded my long-term project in the latest beta and I could not consistently copy and paste instances and sprite assets in the room editor.

I attached a video - I need to paste multiple times before one attempt eventually goes through.

I can tell that GameMaker is doing something with each try because the IDE flickers in the upper right corner where the progress bar is (I guess it shows up and disappears immediately)

Steps To Reproduce

I recorded a video of the bug and attached it

Which version of GameMaker are you reporting this issue for?

IDE v2024.200.0.499 Runtime v2024.200.0.516

Which operating system(s) are you seeing the problem on?

Windows 10.0.19045.0

2c8a1624-8501-4a1d-96d2-fcf940850e6e