I think they are "adjusting" things under the hood and not posting about it.
SOME passives are now working after revival since I posted that. Yesterday an M Lilith on an opposing team was indeed blocking again after revival. Talismans still don't work, but some passives are now.
This could also be in relation to an AI boost being present at times or not... but we all know the boost "doesn't exist" even if everyone sees it.