document current and unmapped options; update release notes template

document multi-device support on windows

add snackya build to community showcase

add jeremytodd build to community showcase

add warning hint to linux scripts when build fails, update release as…

…sets

fix bug preventing multiple targets bound to one slider from being ad…

…justed

fix occasional access violation crash when switching audio devices

somewhat automate release process

adjust some log levels

add icon changes binary assets in separate commit