As requested on the mailing list: xpra dpi woes with a server running Ubuntu cosmic.
Upstream link: https://launchpad.net/ubuntu/cosmic.
Updates:
TODO:
installation log
Installed and tested OK in a virtualbox vm, only complaint would be that opencv brings tons of dependencies, this is nothing new but r20407 moves it to "suggests" so it won't be pulled in by default.
this ticket has been moved to: https://github.com/Xpra-org/xpra/issues/1959