MS Windows version 10.0.19043 Build 19043
Steps to reproduce:
- Install Gpg4win from https://gpg4win.org/get-gpg4win.html with Kleopatra key manager
- On Signature Key webpage (https://gnupg.org/signature_key.html) copy public key block to clipboard
- Paste from clipboard into manually created key.pub file.
- Import key.pub into Kleopatra
It will generate 4 keys as described on Signature Key webpage, with correct uids, Key fingerprints, but one wrong expiration date for NIIBE Yutaka (GnuPG Release Key).
See screenshot at external link.