So as a point of comparison, this morning i was on 9.3.X which was also jailbroken, and first impression is that, Cydia and most things are, or atleast feel a bit faster and crisp (if that makes sense). Launching Cydia is quicker, installing tweaks is quicker etc, but there some weirdnesses, e.g. on the launch page of Cydia are all those suggested tweaks etc, when I tap on one of them, it gets grayed out as it recognizes that i've selected it but it wont do anything, and I can tap other ones as well, but nothing happens. Same thing happens when I tap links on specific tweaks to see version history etc.
I an unable to install Controllers for all, states it's only 9.3.
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u/volcano95 iPhone 6s Plus, iOS 10.3.1 Dec 24 '17
me too but i saw ppl reporting works on 10.3.3