The vipers are nice but I hate the boots that come with. They don't conform to the original model shape of his calf muscles. They remove them and make it look like he has bird legs.
I guess I feel blessed that apart from a bugged mosaic tile in Hinterlands, my play throughs have been bug free. I didn't play DAO so not sure what the difference is with the tac system. I'm not a heavy tac user since the DAI's Companion AI is beefier than most. Since I have their behaviors set to follow the Tank, they rarely need me because they finish most fights before my Rogue IQ gets many hits in hehe. It's a simple case of everyone chasing the tank, including me
They fight while I loot. Because <rogue>
But when I do use the tac I haven't had any problems with it since they applied a fix.
I haven't tried it since the fixes. The tac cam I mean. I'll have to see how it performs now.
The boots I like
Went in game earlier and gave him some. I had the heavier version because +% attack... oh well, he can lose some stats for looks 
Oh and the companions' iq, while I agree it's pretty good, and that even without me ever changing the follow/etc behaviours, there are those
moments, that are so bad it's actually hilarious. Like the Hinterlands dragon fight. Where I actually thought "hey, I'll make the effort to use tactics and not just solo-kill dragon with KE", but then the companions started screaming at me for help, while standing (I repeat, STANDING... haha) in the fire pools... and of course dying...
Eh it's a minor thing really, but it's so bad lol. Also the barrier spam... "Omg! Look! Ferocious squirrel attacking! BARRIER!" And my inq is
Then we get mauled by 3 bears (1 ran to us, 1 warped in from another dimension and the 3rd I dunno, I suppose some bears are secret mage bears and cast clone or something)... and of course barrier is on cd... xD