You can get an immediate change if you go Edit -> Preferences -> Interface -> Style and untick Use compact sliders. https://i.imgur.com/J0auoEt.jpg
That returns you to a Gimp 2.10.14 (and earlier) format where the rate of change on the slider depends on top-of-the-slider / center-of-slider
Otherwise, the depth of the sllder is dependent on the font size: A comparison of both: https://i.imgur.com/LlqWEnj.jpg Useful if you are using a 4k monitor and the interface is small.
There is a plugin to assist changing menu text size "Change menu letters & other icons.py"
A link to it here https://www.gimp-forum.net/Thread-UI-fon...7#pid22487
That returns you to a Gimp 2.10.14 (and earlier) format where the rate of change on the slider depends on top-of-the-slider / center-of-slider
Otherwise, the depth of the sllder is dependent on the font size: A comparison of both: https://i.imgur.com/LlqWEnj.jpg Useful if you are using a 4k monitor and the interface is small.
There is a plugin to assist changing menu text size "Change menu letters & other icons.py"
A link to it here https://www.gimp-forum.net/Thread-UI-fon...7#pid22487