@Natanox @matrix using both the matrix.org homeserver and librem.one and I have the same experience across laptop and android devices. Loading pure matrix channels, even with few participants, takes a long time to load both the most recent messages, as well as any history before that. Same with bridged IRC and Telegram channels. I don't have much in the way of 1:1 chats so not sure about the performance of those, but for group chatting it's way too frustrating.