Sorting in categories and multi-page category management does not work in Cyrillic wikis.
Steps to reproduce:
1) Sorting in categories: https://uk.wikipedia.org/wiki/Категорія:Померли_2015
* Expected: alphabetic order, Latin S, then Cyrillic А Б В ...
* Observed: random order К (cyr), О (cyr), S (lat), А (cyr), Б (cyr), В (cyr) etc.
2) Multi-page category: https://uk.wikipedia.org/w/index.php?title=Категорія:Померли_2015&pagefrom=Джекі+Коллінз#mw-pages
* Expected: next 200 articles starting from Джекі Коллінз
* Observed: 200 articles starting from Отто Каріус, with Джекі Коллінз as penultimate article on the list (thus getting wrong 200 articles)
Same for other wikis:
1) Sorting in Russian https://ru.wikipedia.org/wiki/Категория:Умершие_в_2015_году
* Expected: alphabetic order, Latin D, G, H, I, S, then Cyrillic А Б В ...
* Observed: random order, М, Р, Э (all cyr), D, G, H, I, S (all lat), А, Б, В (all cyr) etc.
2) Multi-page categories in Serbian: https://sr.wikipedia.org/w/index.php?title=Категорија:Умрли_2014.&pagefrom=Џери+Конлон#mw-pages
* Expected: 200 articles from Џери Конлон
* Observed: 200 articles from Ana Marija Matute Auseho
This completely breaks multi-page management (impossible to get access to any other page beyond first), thus this should be unbreak now