A number of new cosmetics were found in the game files during today's v8.30 update. As usual with patches, these are expected to release over the coming weeks along with skins that have been encrypted further, but no specific dates can be given.
Skins
Inferno (+ Back Bling)
Ruin (Week 8)
Reflex (Variant for NVIDIA Bundle Owners)
Gliders
Pickaxes
Wraps
Emotes
This will be updated as more cosmetics are leaked.