Apple iOS 5.0
I don't know if anyone has already mentioned this here, but the new iOS 5.0 appears to have fixed the problem people were having using their iPads on the Cakewalk forums. I just upgraded to 5.0 a couple of days ago, and now I can type in the message fields using Safari.
A few of my songs SONAR Platinum, Cakewalk by BandLab, Windows 10, Focusrite Scarlett 6i6.