The default in systemd, unless your distribution has modified it either globally, or for a specific service, is 90 seconds

Wasn’t France the one that started switching to Matrix and funded a bunch of improvements?

https://web.archive.org/web/20180426180007/https://matrix.org/blog/2018/04/26/matrix-and-riot-confirmed-as-the-basis-for-frances-secure-instant-messenger-app/

It’s great that Germany is doing the same, I just remember Matrix talking about money from France and helping the French government deploy Matrix for government use back in the day. A lot of the E2E encryption improvements were attributed to their collaboration with France at the time