LxPupSc64 is at version 19.06 - from here
LxPupBionic is at version 19.03 - from here
Chromium+PepperFlash is at version 75 - from here
**New** addons for the LXQt desktop are available - from here
Versions not using LXDE:
BionicPup32
UpupDD
ScPup & ScPup64