Apologies if I got the tone wrong there, I definitely wasn't trying to roast the other projects. In terms of what I prioritized bug-for-bug compatibility on, I

Apologies if I got the tone wrong there, I definitely wasn't trying to roast the other projects. In terms of what I prioritized bug-for-bug compatibility on, I tailored it to getting https://github.com/squeek502/win32-samples-rc-tests https://github.com/squeek502/win32-samples-rc-tests passing 100%, and then also tried to take into account how likely a bug/quirk was to be used in a real .rc file (ultimately this is just a judgement call, though). The results of that test suite (provided in the readme) is also a better indication of how rc.exe-compatible the various resource compilers are in practice (i.e. on 'real' .rc files).