今度はTwitterの埋め込み動画ががが
https://vivaldi.com/blog/vivaldi-1-14-linux-delayed-autoupdate/
Ubuntu, Mint, Debian and derivatives
wget http://security.ubuntu.com/ubuntu/pool/universe/c/chromium-browser/chromium-codecs-ffmpeg-extra_64.0.3282.119-0ubuntu1_`uname -m | sed 's/x86_64/amd64/;s/i.86/i386/'`.deb
sudo dpkg -i chromium-codecs-ffmpeg-extra_64.0.3282.119*.deb
見れた