I don't know, for me a lot of the issues described are a result of the small arms changes. I think if you're struggling after new patch you are really struggling to adapt rather than something is unbalanced.
If I only struggle with one faction, it's an "adapt" issue?
Lets be honest last couple of months it was extremly easy to play as a Soviet. All you needed was a blob of Conscripts equipped with PPSHs roaming around the battlefield and destroying everything.
And did you, pray tell, ever try play without ppsh cons? Because you know, actually all these other strats for soviets sucked last patch as well, which was why 90% of the player base was playing advanced warfare. You had ppsh con spam on all maps, and sniper spam on some maps (Langres and crossing, other maps it really was not a problem), and other strats were pretty easy to counter as germans.
Now everything depends of how you approach the engagement and how you utilize cover. If you do it right Pios will die, so will Grenadiers and Panzer Grenadiers as well. You need to think more strategically in this game now.
I don't have to think as germans. I know that if my grens are atleast in yellow cover, I will win against conscripts in heavy cover guaranteed. I don't have to think about whether my PGrens have to run through red cover to get to cons, they'll easily win even if take some fire. I don't have to worry about combat engineers with my units, because they will all win against them. I don't have to worry about getting flanked by automatic weapon squads, because the soviet ones won't kill anything on retreat. I don't have to worry about early vehicles, because the M3 is the worst it has ever been. I don't have to worry about infantry AT with tanks, because soviet AT is still bad. There's a lot I don't have to think about as germans that i have to constantly think about as soviets.
Of course your rank as a Soviet will drop but it shouldn't be there in the first place do to the advantage you had over couple of last months. It is basically almost the same situation that happend when MG42 was overpowered at the beginning of CoH cycle.
My soviet rank already was half of my german one before this because I was purposedly avoiding playing ppsh spam or more than one sniper. In that sense this patch mostly just forced my playstyle on everyone, but the thing is, all you're left with now are the strats that were already weak before this patch, and they've been made even weaker by the mechanics changes that all favor the german faction design.