Docker 2.5.12 [ERROR] [core.karaf.internal.FeatureInstaller] - Failed installing

[wborn (Wouter Born)]

FWIW, it has been announced:

@Kai

If you nonetheless plan to stay on an older openHAB release, please download the add-ons KAR (or the resp. Linux package) before May 1st to make sure that you do not run into issues after that date.