..."God does not play Twister," he added, cryptically.
Note that Pi4j v1.4 relies on Java 11, whcih will cause issues with older models of Raspberry Pis.
Therefore, mosly best to stick to v1.3, and disable the repo in /etc/apt/sources.list.d/pi4j.list
/etc/apt/sources.list.d/pi4j.list
Pi4j v2.0 is next..