1. Load mod with "character sheet" like this https://steamcommunity.com/sharedfil.../?id=835737187 or this https://steamcommunity.com/sharedfil...?id=1382916129

2. Input some Cyrillic сharacters in uppercase+lowercase to the sheet (copy: Съешь Еще Этих Мягких Французских Булок)

3. Save game

4. Load save

Expected result: text is loaded correctly.
Actual result: all uppercase characters become "?"

Screenshot: https://imgur.com/a/2sOL2k1