https://www.rusi.org/news/ref:N533EEE036731B/

Lots of interesting analysis:

Troop capabilities and suspected location.
Russia’s dependence on Ukraine for military technologies
Next month is critical

The fact that Russia is so dependent upon military technology made in Ukraine is the scariest part — it’s a huge incentive for Russia to invade. What if Ukraine destroyed the factories as a strategy? It’s an interesting perspective. Also interesting to think that a military invasion might put an exclamation point on Ukraine’s long overdue divorce from Russia.