Propaganda aside, there's a lot to talk about technology related with the current conflict. Warfare is changing before our eyes. Does anyone now of where this topic is being discussed at a high level (ie hackernews level of discussion)?
https://twitter.com/KofmanMichael
Like the other commenter said, these are part of OSINT (open source intelligence) twitter.
Outside of twitter this is a good start: https://www.oryxspioenkop.com/