Underscores are not displayed in the search and replace window
- NotepadNext-Windows-Qt6.4.2 3141350

On my PC everything appears fine. Should just be ordinary QComboBox.
A couple possible explanations...
Maybe #348 is related and there's not enough room for the combobox and the size is getting shrunk a bit.
Different locale and language might be causing a different system font to be used. Which might point to a possible Qt bug.
Also works fine on my Windows 11 PC in Simplified Chinese. A screenshot is provided for reference.
@inkydragon Could you try this Qt6.5 zip build from here:
https://github.com/dail8859/NotepadNext/suites/12299178880/artifacts/651811024
Kind of a long shot but really don't know what else to try.

It still looks like there are problems.
My guess for this is that the height of the search input box is not high enough. But I didn't find time to try this yet.