-ftp://ftp.videolan.org/pub/x264/snapshots/x264-snapshot-20191217-2245-stable.tar.bz2
-https://bitbucket.org/multicoreware/x265/downloads/x265_3.2.1.tar.gz
-https://ffmpeg.org/releases/ffmpeg-4.2.tar.bz2
-https://github.com/webmproject/libvpx/archive/v1.8.1.tar.gz
-https://code.videolan.org/videolan/dav1d/-/archive/0.6.0/dav1d-0.6.0.tar.gz
+https://code.videolan.org/videolan/x264/-/tree/stable/x264-stable.tar.gz
+https://code.videolan.org/videolan/x264/-/tree/master/x264-snapshot-20210615-master.tar.xz (Andrew does somehow)
+https://bitbucket.org/multicoreware/x265_git/downloads/x265_3.5.tar.gz
+https://ffmpeg.org/releases/ffmpeg-4.3.tar.bz2
+https://github.com/webmproject/libvpx/archive/v1.8.2.tar.gz
+https://code.videolan.org/videolan/dav1d/-/archive/0.7.1/dav1d-0.7.1.tar.gz