I'm not sure if this is the right place to provide awareness for this bug. But I hope it brings the attention about it to where it's necessary (to the developers).
Since the latest update (as of this writing, version 11.0.01.35.1), if the player equips a Shell, for example a 'Monolith' Shell, and then Mounts a regular mount, then the Shell becomes un-equipped after Dismounting; either dismounting manually, or because of combat.
Before the patch, when a player equipped a Shell and then mounted any one of their mounts, they would always keep the Shell equipped when entering combat or dismounting manually.
So, in other words, it makes equipping a Shell practically useless, because we constantly need to use our Mounts on a regular basis. Or, it means that running dungeons would be preferable while staying on foot and keeping the Shell equipped, but no one does that. It's a bug, and frankly a "problem" now because people buy their Shells, upgrade them, etc... and then they realize they won't really get a chance to use them, with maybe the exception of places like the Observatory or Battle Vs Keeper (places where the Mount is not a priority or used regularly). In places like Astral runs the Mount is favored in order to speed up the process, so in Astral trying to equip the Shell is a headache.
I just wanted to bring this bug to the attention of the developers because it wasn't like this prior to the latest patch.
Thanks.