Dear Maintainer,
*** Reporter, please consider answering these questions, where appropriate ***
* What led up to the situation?
apt-get upgrade (apparently downgrade).
* What exactly did you do (or not do) that was effective (or
ineffective)?
Nothing unusual, simply upgrading to remaain current.
* What was the outcome of this action?
Error when starting the application stating the style is unavailable.
The interface consequently bacame unreadable with a dark theme selected.
* What outcome did you expect instead?
The interface to remain useable, rathewr than white text on a white
background.. which is obviously not possible to read.
*** End of the template - remove these template lines ***