There were some twitter accounts worth following, but after what happened over there I don’t know if any of them are still active. Likewise there were some subs in Reddit that had decent amounts of factual posts, but I don’t know about them anymore either.
Other than that, what’s wrong with piecing together news from the most reliable sources? The Guardian has excellent coverage of the war. Anything that goes on for this long will obviously suffer from some story-fatigue but they’re at least more trustworthy than anything from Russia.
It’s called fog of war for a reason though, you’re never going to get 100% unbiased and correct information about ongoing battles, for opsec reasons if nothing else.