There was absolutely no reason to introduce the latest version 5 of the TaifunImage ext (ASD only).
With the old version I was able to resize images in the ASD and in the Shared folders (of course without storage permissions on Android 11+).
So my recommendation would be to continue with version 3 or 4 if these versions are still available.
Note: Version 3 is still available in the test AIAs on Taifun's website.
Maybe @Taifun will provide the old version 3 or 4 again (additionally).
Example with version 3 (tested on Android 11):
ASD with full, absolute and relative paths:
Shared folder /Pictures:

