For me the problem has only got worse. I used to be able to remove all custom fonts on my PC Word, then open the doc in Word on iPad and reapply the custom font, after which the doc worked fine. But even that has gone now so I cannot use my iPad for working
on most of my existing documents at all.
No doubt a rebate on the 365 licence fee wont be forthcoming; we dont even get commiseration here let alone an apology. What other company could get away with treating its customers like this, and still pay its owner $7m a day?