This is a notice that I’ve just received on libera.chat. It might explain a little bit more what’s going on.

-- Fri, 04 Aug 2023 (Wed, 02 Aug 2023) --
23:57:44 liberachat  --   A_Dragon (A_D@libera/staff/dragon): [Global Notice] The Matrix bridge is experiencing continued
                      stability and privacy issues; we have requested it be shut down until they are resolved. Matrix
                      have agreed to shut down the bridge no later than 1400UTC on Saturday. Feel free to ask further
                      questions in #libera-matrix