Copperline 0.15.0: an MT-32, your real hard disks, and sockets with nothing to install

An emulated Roland MT-32 - front panel and all - on the MIDI port, the host's real hard disks handed to the machine RDB and all, a HostSocket board giving guest applications BSD sockets with no TCP/IP stack to install, the physical floppy path rebuilt pure-Rust on FluxBridge, native IPF and CHD images, a redesigned menu tree, an authentic 1084 bezel, integer scaling and a performance overlay, and…