I opened the book and the language in the game broke. The same game began to lag
link to video - https://drive.google.com/open?id=1jRIvfxyUy1BsWqBjlHklKN_avnfeX0lg

If you change the language from russian to english, does it replicate?

Is there a client log that might have more information?

Any update to the above request?

Any update to the above request?

Have the same problem. Changing the language to english solves the problem.

Have you tried setting Force Unicode Font to true in language settings?