I'm having no issues importing PSD files. Granted, I'm on Windows, but everything behaves as normal.
Try creating a brand new, RGB, Photoshop file in 1920x1080. Put, like, two text layers in there. And then try importing that. See if it behaves. If so, yay, we have a start of troubleshooting! If not, roll back to an earlier version of AE (or the public beta) and keep working until you get a moment to file a bug report on UserVoice.
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