Thank you very much for your help! 

For future reference and people having the same issue: gpg2.3 introduced a new 
packet type 20 which provides authenticated encryption with associated data 
(AEAD) [1]. A key generated with gpg2.3 supports this encryption type and 
encryption in Windows (using the current Gpg4win 4.0.0) defaults to AEAD for a 
key generated with default settings. Since AEAD/type 20 is not supported yet by 
version 2.2, decryption on linux distros is not possible using version 2.2.X 
from their repositories.

[1] 
https://tools.ietf.org/id/draft-ietf-openpgp-rfc4880bis-06.html#rfc.section.5.16


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