Ukraine becoming Balkanized is a distinct possibility at this point. As economic situation continues to spiral out of control, tensions are going to continue building between different groups. Most of the eastern part of Ukraine is Russian speaking and would be more sympathetic to aligning with Russia. Meanwhile, western Ukraine is dominated by Ukrainian nationalists who have been in power since 2014. Zelensky ran on a campaign of reconciliation, however that never really materialized so far.

And yeah, there has been a huge amount of immigration out of Ukraine which feeds into economic problems. Now, with the threat of war the economy is starting to unravel completely since all the investors are pulling out their assets while they can. If the economy collapses, then Ukraine might cease to exist as a country.