MwEmbedSupport extension is still required for latest stable version MediaWiki 1.31.0. Description of Extension:MwEmbedSupport was improved a bit and download is still possible. Still wondering that page Extension:MwEmbedSupport is mainly for latest development version instead of latest stable version.
According to Extension:TimedMediaHandler this extension is still required for latest available stable and LTS version MediaWiki 1.31.0
I tried it without this extension and "php update.php" is complaining "TimedMediaHandler requires the MwEmbedSupport extension."
