This issue has been solved! If you're still having trouble with your revision history, please send in a ticket to Support.
Are you having trouble looking at your revision history on web?
Our team is currently working on resolving this issue, so please bear with us while we get to the bottom of this! Any updates will be reflected here, so make sure to check back soon. We're hoping to get this fixed ASAP!
Thanks again for your patience and understanding.
The Wattpad Team