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Update it and check the permissions afterwhile, you will see that 2.20.0.1 does not require the copy paste.
As I said in my previous comment. the Read and Change data has always been there.

OK thank you. I'll check again later as Chrome is still saying the same thing at the moment. I'm not that savvy with extensions so I just wait for Chrome to do automatic updates.

Manually update it first then check the permissions. My guess is that Chrome is still showing it because one of the versions in between did ask it.
But look :

No copy paste permission in there =)

OK thank you! :-)