Changelog for doublecmd-gtk-0.8.2-lp150.4.2.x86_64.rpm :

* Sun Mar 18 2018 voorburgAATTgmx.net- Added compatibility for building with Lazarus >= 1.8.1 + Build errors occured with Lazarus >= 1.8.1 due to an API change in TControls.ScaleFontsPPI. An extra parameter was added when calling ScaleFontsPPI to resolve this build error. + The deprecated method TabIndexAtClientPos was changed to IndexOfPageAt for future compatibility with newer versions of Lazarus. This deprecated method is scheduled for removal in the next major release of Lazarus.