> As requested by users, you can finally use delta CHD files for clone systems and software items. This allows for major disk space savings in some cases when y

> As requested by users, you can finally use delta CHD files for clone systems and software items. This allows for major disk space savings in some cases when you have multiple versions of a system or software item. FWIW, this is commit https://github.com/mamedev/mame/commit/d1172bf710f2a7b1777ed7687f5ba65748d90ee9 https://github.com/mamedev/mame/commit/d1172bf710f2a7b1777ed...