From what you describing with lag etc I would suggest you try a format and clean install of Oreo. I normally do that with any major updates even on my pixel phones. 8.0 to 8.1 I wouldn't bother, but 7.1.2 to 8.0 I would. I am betting all will be reso...
Rogers V30 should be on Oreo 8.0 with March security update. The OS upgrade page is incorrect, I tried to advise them to fix it and nobody from Rogers even replied back.
