Most of the people are focusing on the offensive in Cherson oblast now but there is another unexpected direction of attack which may prove even more important. Ukrainians are pushing towards Kupyansk which means Izyum and the whole garrison on the west bank of Siverski Donec may be cut off and annihilated. Per reports from Russian side they are in deep trouble and once the line of defence is broken there is an empty space behind. Russian army seems to be overstretched and units are undermanned. Somebody is pocketing money for non-existing soldiers.
One example here:
Or here: