Ok. Satisfy the curious. How did that one line make that much of a difference?

comment #3:

> Thanks for the report. Yes, loading the preferences dialog takes quite a time. Most of the time is required for building the interface for the editor styles. From a first look into the history, I did not find a significant change to this part of the code since the release of Octave 7.
>
> I will do some test to further localize the problem.

If you need some log files, just ask and I'll post them. As for the GUI, I know some C++, but I've never used it to create graphics, so I don't know how to help. Anyway, thank you for your help

Setting up the many QFontComboBox is the bottle neck. However, still no idea why the required time  epends on the theme and is longer compared to older versions.

I investigated the issue a bit and found that all of this happens when I use the "Fusion Dark" theme. If I use the default theme, opening and saving settings reverts to the usual behavior, but in dark mode it becomes a bit frustrating to change settings.

I reproduced the problem on Windows 10 (Intel i7 Sandy Bridge, old computer) and on Windows 11 (AMD Ryzen 7 5700u). In both cases, the dark theme significantly slows down the settings.

Am I the only one experiencing this?
Thank you for your attention, and sorry for sending multiple posts. This is my first time on the Bug Report.

Going from version 7.3.0 to the newly released version 8.1.0, I noticed that when I enter the "Edit->Preferences" menu, version 8.1.0 takes much longer to open the menu and takes much longer to apply the settings. Sometimes, even the Windows window appears asking to either wait or close the program.
This happens whether I choose "software OpenGL" or "system OpenGL" in the switcher.

It also happens in the MSYS2-MINGW64 version (via the "mingw-w64-x86_64-octave" package), always on Windows 11.

With version 7.3.0, there are no problems.

My CPU is AMD Ryzen 7 5700u (AMD Radeon Vega).

Is this problem mine (graphics drivers?) or something else?