Facebook Messenger lag when loading past photos

Didn't work... but it seems like this a problem which only includes a handful of people, others using Messenger has no problems... frustrating. It seems to only happen when two or more photos are sent in a group, when viewing those photos it also crashes my internet browser (I went to try out what @mustang7757 said, and after having viewed the photos which I posted in this thread, my browser had to reload...)

It's sad since the S23 Ultra is supposed to be such a good phone, but without well optimized apps it does not feel like it :/