The answer is found from the FAQ, though it doesn’t jump out at you.
Section "3.3 Customizing the Appearance" will refer you to the GTK3 page:
https://wiki.gnucash.org/wiki/GTK3
On that page, section "5 Typefaces" is what you are looking for.
The more direct answer is:
create a file called "g
Just updated to 3.7 from 3.6. But the font size of 3.7's Checking register
is smaller than 3.6 and very hard for me to read. I've spent 3 hours over 2
days examining File/Properties, Edit/Preferences, Edit/Style Sheets and the
Help file. I tried every possible choice. Some of which had dialogs to
c