First, welcome!
Second, awesome name!
Third, with the issue regarding missions and not being able to complete them, I know you said you have auto completed some, and even logged out and back in. But did you know that if you have more than one mission, you can "abandon" your active mission by selecting another mission?
Just reselect the buggy one and try again. This may not work on all, but on mishes that you can't complete because someone didn't spawn, it should help.
As far as toggles dropping when held or mezzed, that should only happen if it's a toggle that affects an enemy in some way.
With Stone Armor the in game info says that some powers will prevent you from jumping, because that was the case, until the most recent update, which came out in the last month or so.
Our current Devs are all volunteers, so sometimes things such as in-game info isn't updated right away.
Hope this info helps.