Some of them, see https://github.com/Eloston/ungoogled-chromium https://github.com/Eloston/ungoogled-chromium for a patched version. For me, Google's hold also

Some of them, see https://github.com/Eloston/ungoogled-chromium https://github.com/Eloston/ungoogled-chromium for a patched version. For me, Google's hold also manifested as complete absence of support for H.264 on Mac, because calling the Cisco's freely available openh264 is ‘too slow.’ In Linux, distro maintainers patch in the support for openh264.