Two weeks ago, reference #matrix backend Synapse had a release:
> Today we have released Synapse 1.21.2, which fixes a couple of minor bugs that crept into the previous release. Full details are below.
> Separately, we are advising any administrators who have not yet upgraded to Synapse 1.21.0 or later to do so as soon as possible. Previous versions of Synapse were vulnerable to a cross-site-scripting (XSS) attack;
Did Matrix ever nail down a multi-person video chat room? Zoom has really raised the bar to that level.
