After more digging into it, I found out plugins disappeared for hplip-3.17.7 and hplip-3.17.9 (from 3.17 series, maybe some older releases may be missing too), which don't have plugins on openprinting.org. Can you please post these plugins on openprinting.org page too?
After more digging into it, I found out plugins disappeared for hplip-3.17.7 and hplip-3.17.9 (from 3.17 series, maybe some older releases may be missing too), which don't have plugins on openprinting.org. Can you please post these plugins on openprinting.org page too?