On the page: https://dlang.org/download.html The GDC download link direct to: https://gdcproject.org/downloads Where the information is very outdated, still back to 2016! E.g. I searched Google for gdc-10_10.1.0-1_amd64.deb even this mirror site is better: https://mirror.qlnet.ch/debian/pool/main/g/gcc-10/
THIS ISSUE HAS BEEN MOVED TO GITHUB https://github.com/dlang/dlang.org/issues/4104 DO NOT COMMENT HERE ANYMORE, NOBODY WILL SEE IT, THIS ISSUE HAS BEEN MOVED TO GITHUB