I noticed that after I reverted my character from the Level 80 Boost Trial back to normal (She was only level 2 at the time), she kept both weapon sets equipped and could switch freely without having that option “unlocked” normally. Not a big deal, just thought I’d bring it to your attention. :)
I also noticed that once you revert if you’re a Ranger you do not get your original Pet back but rather you keep the one that you gained with the boost trial.