IntelliJ IDEA rendering bad font

Question

I set a new font in IDE UI Settings and Font & Color option.

Here:

and here:

After restart IDEA, good font in UI and bad in Workspace:

Have any idea how to change this?

Answer 1

There is an open issue logged with some useful suggestions from the community.

There is an easy approach that can improve results a bit and a really complicated one involving patched JDK/system libraries versions, but with the best possible results.