I browse on PC almost exclusively at old.lemmy.world.

Is this the glacier up behind Jungfraujoch?

Active users is up slightly, that’s a better metric for growth of the platform imo.

According to the Fediverse Observer, Posts and Comments are still growing day-by-day. It’s definitely slower growth, but as long as it stays healthy and active it will continue to have growth spurts as the enshittification of the rest of the web continues.