Facing the same issue here. We have our clients using the app to conduct exams in AAC mode. This is a critical feature and it has impacted in iOS 17 new release.
We are able to reproduce the issue when we load a simple html with text editor as well. Let us know if anything else to be configured to make it work.
Unable to locate anything specific to AAC related changes in iOS17 release notes.
Kindly check and let us know
sudharsans
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It seems to be have been resolved with iOS update 17.0.3