Briefly: Stanislav Kozlovsky, the director of Russian Wikimedia project (which supports the Russian Wikipedia, Wiktionary, Wikisource, etc.), has been declared a “foreign agent” by Russia. He has been forced to resign from his job at the Moscow State University. Following the event, Russian Wikimedia has decided to dissolve itself.

English: https://en.wikipedia.org/wiki/Wikipedia%3AWikipedia_Signpost%2F2023-12-24%2FIn_focus

Russian: https://ru.wikinews.org/wiki/Ликвидация_Викимедиа_РУ