Stoat

• Abundant Atmosphere
• Architect’s Palette
• The Block Box
• Create Deco
• Enderscape
• Farmer’s Delight
• My Nether’s Delight
• Miner’s Delight
• Brewin’ and Chewin’
• Supplementaries(^2)
• Quark
• No Man’s Land
• Oxide
• Vanilla Backport
• Pulsetech
• Envelope
• Ipla
• Verdant
• Grounded
• Redstone: Recharged
• Moyai
• Mmmmmmmmmmmmmmm
• Horizontal Reinforced Deepslate
• Alchemancy
• Spawn
• Whole Cloth
• Frame Changer
• Malum
• Kaleidoscopic
• Arts & Crafts
• Spelunkery

(And possibly more we’ve forgotten)

• (BB and Supp) Sky lanterns and bubbles will float away! They can’t carry much individually though.
• (AP) Abyssaline and Hadaline act as a ballast based on their charge, decreasing and increasing their mass respectively
• (MC and AP) Glowstone now levitates!.. Not very well at least. Smooth glowstone from Architect’ Palette is airtight at least!
• (Misc) Purpur/Chorus blocks and their derivatives have both reduced gravity and are lighter! End rods and blocks crafted with them have decent levitation too. However, do be warned, they WILL float off irregardless of air pressure or gravity.
• (Supp and NML) Spikes have a LOT of friction. Additionally, the ones from No Man’s Land lose this when they retract.
• (CD and MC) Coin piles will weigh more the more you stack them, snow layers will also do so albiet lighter. Good for precise weighting!
• (Enderscape and Ap) Nebulite and Nebulite is more receptive to inertia.
• (Enderscape) Drift jelly is now extremely light and bouncy!
• (AP) Moonshale has moon gravity! Craterstone less so.
• (Misc) Mushroom blocks, froglights, kelp, and a few more various blocks are a bit rubbery, being slightly bouncy and with more friction.
• (Misc) Cobble, blackstone, and paths have more traction.
• (MC) Reinforced Deepslate and Netherite are now uber heavy, albeit not as heavy as bedrock.
• (Misc) Plants similar to cactus or bamboo have been made light and fragile. Additionally, resin and dirty glass are fragile.
• (Misc) Various storage blocks are now light instead of super heavy.

[New in 1.1]

• (Misc) Ender Pearl and Experience related blocks (and Shadowline from Enderscape) all are hyperbouyant, weighing the same amount but somehow float violently in fluids. This does include experience stored in Carved Nephrite from Spelunkery.
• (Malum) Spirit Motes placed by the Lamplighter’s Tongs float in the air, although they cannot carry much of anything.