zxian v19 is released. zxian is a ZX Spectrum emulator written in C, using SDL2 for graphics, input/output, and audio. As with my other projects, the source is available for download. I built it with Visual Studio Community 2019 (with C++ core features installed).

zxian v12 Changelog:
v19 - optimizations: reduced host CPU usage by 75%-90% of previous version

Download: zxian v19
Source: Here