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You must be a lucky person if such a thing is your absolute nightmare ... I'd rather worry about these: https://en.wikipedia.org/wiki/Global_catastrophic_risk
But basically: there is no such thing as binary compatibility between Linux distributions. That's why KLayout for Ubuntu 18 is for 18, not 19.
You have to build it there. Building isn't hard if you have the necessary packages installed. For instructions see here: https://www.klayout.de/build.html ("BUilding on Linux").