For 2.90 ffmpeg has been updated to 4.2.3, all platforms will need to update the svn libs and build scripts
Included in this update are
FFmpeg : 4.2.3 libogg : 1.3.4 flac : 1.3.3 vpx : 1.8.2 xvid : 1.3.7 x264 : 33f9e1474613f59392be5ab6a7e7abf60fa63622
- CMake Deps Builder ( rB5db2d9c82b7f )
- Windows SVN ( rBL62430 )
- macOS SVN
- Linux SVN
- Linux install_deps
for install_deps there's a few url changes in rB5db2d9c82b7f that may prove to be helpful, finding a link for x264 is challenging