u/the-silver-foxx

Should I read all the shadowhunter books so far before wicked powers?

I recently saw a copy of better in black in a bookstore and it kind of gave me a feeling of fomo and that I should complete reading the books. For context a few years ago I read the first 3 books of mortal instruments, 2 of the infernal devices, 2 of last hours and 1 of dark artifices. I never finished them because I read/came to know spoilers of them all.( Which kind of discouraged me). So, I do know a fair bit but I am thinking of reading it all before the release of wicked powers even though I know the outcome of events. Should I? Also is it better to read in publication order or the one given by Cassandra clare?