Boon Stripping: Maybe. I'll bring it up with the balance team again. Last time I spoke with them about this, they raised concerns that boon strips become too weak relative to boon application, if you can easily cover your important boons with less important boons.
Superior Siege on Portable Provisioner: Yeah, we should probably add this.
-100% Damage Reduction Meta: PM me details and we'll address it, if it's not already something that's been fixed internally.
In terms of the "damage reduction" meta: we're identified some issues and are looking into them. There's some delicate nature there and we're identifying the correct action to take. Please do pm Tyler though!