I'm on Ubuntu 16.04, upgraded from Ubuntu 14.04 and I have terrible font problems in a lot of applications. Often, digits don't appear at all, or they only appear when they are highlighted. Here's how the main Google Voice screen looks for me:
Here's a post on Google Keep:
Here's the same post with the text selected:
The digits are now visible, but their font is still clearly wrong.
Sometimes I have problems in applications like IntelliJ or Perforce. Some are completely unusable unless I can change their font settings.
Google Slides does something strange: in some documents, it shows the correct font an then the image jumps and the text is replaced by the wrong font. I checked and I have no extension that changes fonts. (I used to to fix the problem, but it only made it worse.) When I view the slides in presentation mode the fonts are correct again.
Does anyone have any idea of what's going on and how I can repair it?
Again, at this stage, I'd just like to completely reset my font system. Is there a way to do that: