Help, how can I remove this window

The new roblox update, the material manager, is chaos, this is very hard to change materials now, also glass is missing

This window needs to be atleast this size, or you cannot see the materials, so when I keep it this size, it covers 60% of the screen

So I have to close and open it frequently, the thing is, even if I want to apply the last material I applied, I need to open this and search for it, and then I need to click apply

How do I disable this window, its soo awful and hard to use, how can I get the old drop down menu back

There’s a close button for that window

If you want the old drop-down menu (the magic wand thing), try turning the material service off in beta features.
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You can also change the material manually without using that window.
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Check this, you could get the old material selector with this but you would no longer have access to custom materials in studio.