No, but also little interest for that. It makes less sense for video because it's "difficult" to get a seamless switch.
@cssdayconf Has any testing been done to see if it would it be web-compatible to change <video>’s <source> to match <picture>’s? #cssday
-
-
Thanks. Twitter will use this to make your timeline better. UndoUndo
-
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.
JavaScript, HTML, CSS, HTTP, performance, security, Bash, Unicode, i18n, macOS.