Rotating a lone locomotive on a running train that has crashed into some other rolling stock causes the game to crash. To reproduce, start a new game with the attached custom scenario (locomotive-crash-demo.tar.gz, unpack in the scenarios subdirectory), let the locomotive crash into the cargo wagon,...

I've just updated from 0.12.13 to 0.12.14. When the active research finished on my current game, the technology window showed up as usual. However, after selecting a new technology to research, clicking the Research button does nothing: the technology window stays open and the research isn't started...