The situation in the Donbas has quickly deteriorated for the UAF after the loss of Popasna. In my opinion, in 10 years, losing that city will be viewed as the catalyst for what's going to happen next. I still really doubt it was a smart idea to abandon it instead of feeding in troops and supplies as they had been doing for months at this point.
And what's going to happen next? Well, cauldrons will be formed. Not a giant cauldron, mind you, but two distinct ones: one for the troops in Lysychansk, Severodonetsk and surroundings, and one for everyone caught between those places and Popasna. For now, the Russians are focusing on destroying bridges out of these cities, but one thing that went mostly unnoticed was that they now have artillery control over one the most important roads in the region; the T-13-02 highway, the only point that the Ukrainian troops could have possibly used to retreat from the Donbas in any sort of timely or organized manner, because, as we all know, trying to retreat through dirt roads and village streets is hard for a variety of reasons.
In my opinion, a lot of these troops will be heading to Siversk, in an attempt to link up with the Russian forces coming from Yampol and attempting to force a crossing through the Siversky Donets (probably where the Russians are losing the most troops right now) and essentially cutting off the UAF troops in the Donbas from any sort of reinforcement or resupply, trapping them all into a large cauldron (formed through Siversk) and a small cauldron (consisting of Lysychansk, Severodonets and Novodruzhesk).
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Now, I previously doubted the UAF's intent to retreat from Severodonetsk with little fight, but with the recent bridge sabotage going on in Lysychansk, I really can't guess at what else they're intending to do, because the situation in Lysychansk isn't going to be any better. Why? Because shortly before losing Popasna, they'd also lost Nyznie and Orikhove, which allowed the Russians to surround reach Zolote from the Northeast, and if/when Komyshuvakha falls, it will be surrounded, along with Hirske and in conjunction with this, the Russians are conducting an advance from Toshkivka, with the apparent intent of reaching Lysychansk, thus surrounding it (and starting the smaller cauldron).
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I really can't imagine where the Ukrainians are intending to do to prevent this, but if I were them I would have held at Kramatorsk/Sloviansk, which are probably the better fortified areas still left. I just don't know if it's feasible for the UA troops in the Donbas to retreat and reach it anymore.
Anyway, in all other fronts, very little change, including in the fighting for Novhorodske, which hasn't left the outskirts of the city yet as far as I know. Fighting is heavy in Novobakhmutivka, and the city is half-surrounded by now. In Adviivka heavy clashes are the new normal as well. No change in Mari'inka or the Zaporizhia line, or in the Kherson front.
In Kharkiv some new developments as the Russians claim to have gone on counter-offensives in Ternova, half surrounding it, and in Rubizhne, where there apparently is heavy fighting. No confirmation though. The Russians claim this offensive was made possible only because their artillery had heavily softened the UAF present in the area. There are also reported clashes near Lyptsy and near Kozacha Lopan somewhat, where the Russians refuse to retreat and hold their ground. In Izyum, there's heavy fighting for Velyka Komyshuvaka, which has been going on for a while now with lulls.
Disclaimer: Armchair general.