[buwaya]

Just speculation -

Like the situation Marshal Foch (Allied Supreme Commander on the Western Front, 1918) faced, it may be the Ukrainians perceived the the Russian reserves are exhausted. Advancing everywhere may create exploitable cracks in the front in several places, which the Russians, without reserves, will be unable to plug up, and which the Ukrainians plan to exploit.

I assume that by doing this the Ukrainians hope to, as Foch did, get the Russians to start withdrawing troops, piecemeal, and turn it into a mobile battle, where the Ukrainians will have an advantage. Based on the Ukrainian performance over the last month they have good reasons to believe this would work.

Of course this all depends on the usual military if, if, if’s. However, if it does work, and given what’s happening elsewhere, we could be seeing the end of this war.

[Bruce Campbells Chin]

The lack of any effective Russian counter-attack over the last month suggests you may be right about the Russians being out of reserves. They may have just kept attacking until their troops lost all offensive capability

[Widget Jr]

#8 and #10. It is more than just running out of reserves. Retired General Ben Hodges has talked about Russia reaching the “culmination point”, when and army reaches its operational limit. Ukraine is figuring out where Russia's limits really are, likely not what is reported to Moscow, and is making plans to match.