I sent a bunch of IDNs to an associate to look over.
I’m big on compatibility which clients also look at. I noticed for the first time that gmail parses IDNs if they are ccTLDs.
I sent some dot comes & dot jps all of them one domain per line.
The dot coms did not turn into links.

Test for yourself, to see if it works.
I was looking from the web & mobile.

This is just an FYI
I have great domains in both dot com & jp but I like to look at the reality of what technical issues there are.