NOTICE: Changes from WSS 1.2.0 are included as part of this changelog.
Additions:
Carrot Patch, in many variants
Potato Patch, in many variants
Woody Camp, in 7 variants
Old Fort
Vigilante Fort
Hide Tannery, Oak and Cherry variants
Dark Witch Keep
Zen Chair Museum
Mushroom House
Sunken Steamboat
Bamboo Firework Site, in 3 variants
Concrete Mill Ruins, Shore variant
Bee Farm, Cherry variant
Wandering Trader Cart, Cold variant
Sphinx Hidey Hole, Icy variant
Forgotten Remnants, in 6 variants (found underground)
Ender Claw, in 4 variants (found in the End)
Added a new variant of Badlands Dwelling
Added a new variant of River Boat
Added a new variant of Totem Pole
Changes & Balance Tweaks:
Updated to Minecraft 1.20
Renamed original Wandering Trader Cart to Wandering Trader Cart Temperate
Renamed original Bee Farm to Bee Farm Forest
Adjusted rarities for a bunch of structures - most notably, reduced frequency of Badlands Dwelling, Concrete Mill Ruins (Desert variant), Frost Reactor Plant, Llama Sanctuary (Plateau variant), Old Stable, Rot Tree, and Wandering Trader Cart (Temperate variant)
Added new 1.20 features to a number of old structures, including but not limited to: Abandoned Small Castle, Badlands Dwelling, Candlemaker House, Lumpy Tower, Mossy Roof House, Old Stable, Spider Cellar, Spruce Berry Farm, Spruce Cabin, Tall Birch House