I've a similar problem discribed in
"AdvGlowButton: Caption font size is bigger than expected when GlowButton is in a Frame for HDPI monitors" in this Thread:
But I use the GlowButtons in a normal TForm on a TAdvPanel.
IDE is Delphi 12.2 with current version of "TMS VCL UI Pack" (v13.1.10.4).
The GlowButton on the TForm itself does not have this problem...
I have the same problem. I found that if ParentFont is set to False then the enlarged font issue occurs.
IDE is Delphi 12.2 with current version of TMS VCL UI Pack (v13.1.10.4).
I could not reproduce this here so far. See test project. It shows both situations with ParentFont true & false and compares with a regular TButton: Project1.zip (75.8 KB)
It seams the problem is another one: same font size in a TButton and TAdvGlowButton is rendered in a different kind.
In your test project - and in my application too - one have to reduce Font.Size from 12 to 6 to have the same "flavor" approximately.