D11E4, compiled in June 1996, is the last build of Copland — the microkernel successor to System 7 that Apple cancelled in favor of buying NeXT. Michael Steil got it booting for the first time in emulation, patching an improved DingusPPC and compiling it to WebAssembly. Click the black screen to hand over keyboard and mouse, then explore Copland HD, including GXSlidemaster and Eric’s Solitaire.