>>126635
They haven't responded, and they were last seen on Doomworld on April 22nd.
There is reference, also, to a modified version of HDoom they made, giving it compatibility with Brutal doom, the filename is m12-hdoom_techdemo10_jcpg_modified.pk3
and the download link begins with https://drive.google.com/file/d/1YxeXHaol.. but is truncated on searches etc.