Example: I've had issues when I open up an app and then trying to authorize Dropbox for it. Dropbox then opens up inside the original app, but I can't select anything. It's like the touch just stopped working. The only way to get out of it is pressing back.
Another more recent one is in the app TabbedOut, when I go to select Google Wallet as my form of payment, I can't change the card or select Accept.
Here's a video of what I mean:
Does anyone else have this issue and know a fix? It's quite annoying.