Summary of what I can find from fairly solid Ukrainian sources so far:

1. Ukraine air and ground forces most likely received NATO intel about Russian first strike and dodged “shock and awe” missile barrage pretty much 100% intact

— 𝕄𝕒𝕩 𝕊𝕜𝕪 🇺🇸 🇺🇦 🇮🇱 (@_lordmax_) February 25, 2022