Package: chromium Version: 73.0.3683.75-1 Followup-For: Bug #926151 I can confirm the bug. Meanwhile you can install h264ify extension from chromium store to make youtube videos to work, but other sites may still not work.
-- System Information: Debian Release: buster/sid APT prefers testing APT policy: (500, 'testing') Architecture: amd64 (x86_64) Kernel: Linux 4.19.0-4-amd64 (SMP w/8 CPU cores) Kernel taint flags: TAINT_PROPRIETARY_MODULE, TAINT_OOT_MODULE, TAINT_UNSIGNED_MODULE Locale: LANG=es_ES.UTF-8, LC_CTYPE=es_ES.UTF-8 (charmap=UTF-8), LANGUAGE=es_ES.UTF-8 (charmap=UTF-8) Shell: /bin/sh linked to /usr/bin/dash Init: systemd (via /run/systemd/system) LSM: AppArmor: enabled Versions of packages chromium depends on: ii chromium-common 73.0.3683.75-1 ii libasound2 1.1.8-1 ii libatk-bridge2.0-0 2.30.0-5 ii libatk1.0-0 2.30.0-2 ii libatomic1 8.3.0-5 ii libatspi2.0-0 2.30.0-7 ii libavcodec58 7:4.1.1-1 ii libavformat58 7:4.1.1-1 ii libavutil56 7:4.1.1-1 ii libc6 2.28-8 ii libcairo-gobject2 1.16.0-4 ii libcairo2 1.16.0-4 ii libcups2 2.2.10-5 ii libdbus-1-3 1.12.12-1 ii libdrm2 2.4.97-1 ii libevent-2.1-6 2.1.8-stable-4 ii libexpat1 2.2.6-1 ii libflac8 1.3.2-3 ii libfontconfig1 2.13.1-2 ii libfreetype6 2.9.1-3 ii libgcc1 1:8.3.0-5 ii libgdk-pixbuf2.0-0 2.38.1+dfsg-1 ii libglib2.0-0 2.58.3-1 ii libgtk-3-0 3.24.5-1 ii libharfbuzz0b 2.3.1-1 ii libicu63 63.1-6 ii libjpeg62-turbo 1:1.5.2-2+b1 ii libjsoncpp1 1.7.4-3 ii liblcms2-2 2.9-3 ii libminizip1 1.1-8+b1 ii libnspr4 2:4.20-1 ii libnss3 2:3.42.1-1 ii libopenjp2-7 2.3.0-2 ii libopus0 1.3-1 ii libpango-1.0-0 1.42.4-6 ii libpangocairo-1.0-0 1.42.4-6 ii libpci3 1:3.5.2-1 ii libpng16-16 1.6.36-5 ii libpulse0 12.2-4 ii libre2-5 20190101+dfsg-2 ii libsnappy1v5 1.1.7-1 ii libstdc++6 8.3.0-5 ii libva2 2.4.0-1 ii libvpx5 1.7.0-3 ii libwebp6 0.6.1-2 ii libwebpdemux2 0.6.1-2 ii libwebpmux3 0.6.1-2 ii libx11-6 2:1.6.7-1 ii libx11-xcb1 2:1.6.7-1 ii libxcb1 1.13.1-2 ii libxcomposite1 1:0.4.4-2 ii libxcursor1 1:1.1.15-2 ii libxdamage1 1:1.1.4-3+b2 ii libxext6 2:1.3.3-1+b2 ii libxfixes3 1:5.0.3-1 ii libxi6 2:1.7.9-1 ii libxml2 2.9.4+dfsg1-7+b3 ii libxrandr2 2:1.5.1-1 ii libxrender1 1:0.9.10-1 ii libxslt1.1 1.1.32-2 ii libxss1 1:1.2.3-1 ii libxtst6 2:1.2.3-1 ii zlib1g 1:1.2.11.dfsg-1 Versions of packages chromium recommends: ii chromium-sandbox 73.0.3683.75-1 Versions of packages chromium suggests: pn chromium-driver <none> pn chromium-l10n <none> pn chromium-shell <none> Versions of packages chromium-common depends on: ii x11-utils 7.7+4 ii xdg-utils 1.1.3-1 Versions of packages chromium-common recommends: ii chromium-sandbox 73.0.3683.75-1 ii dunst [notification-daemon] 1.3.2-1 ii fonts-liberation 1:1.07.4-9 ii gnome-shell [notification-daemon] 3.30.2-3 ii libgl1-mesa-dri 18.3.4-2 ii libu2f-udev 1.1.9-1 ii notification-daemon 3.20.0-4 ii upower 0.99.10-1 ii xfce4-notifyd [notification-daemon] 0.4.3-1 Versions of packages chromium-sandbox depends on: ii libatomic1 8.3.0-5 ii libc6 2.28-8 ii libgcc1 1:8.3.0-5 ii libstdc++6 8.3.0-5 -- no debconf information