-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-4.4.tar.bz2
-https://github.com/webmproject/libvpx/archive/v1.12.0.tar.gz
-https://code.videolan.org/videolan/dav1d/-/archive/0.7.1/dav1d-0.7.1.tar.gz
+https://code.videolan.org/videolan/x264/-/tree/stable/x264-stable.tar.gz (Jan. 2023 version r3106)
+https://bitbucket.org/multicoreware/x265_git/downloads/x265_3.5.tar.gz (snapshot 17122023)
+https://ffmpeg.org/releases/ffmpeg-6.1.tar.bz2
+https://github.com/webmproject/libvpx/archive/v1.13.1.tar.gz
+https://code.videolan.org/videolan/dav1d/-/archive/0.5.1/dav1d-0.5.1.tar.gz