This is the second Developer Preview of Simplified Textures 1.21.0, and will add texture additions and changes.

•Lava are now simplified.
•Soul Fire is now simplified.
•Saddles are now simplified.
•Spider Eye is now simplified.
•Sea Pickle (item) is now simplified.
•Netherite Armors are now simplified.
•Shears are now simplified.
•Bundles are now simplified.
•Shulker Shells are now simplified.
•Nether Bricks, Nether Brick Slab, Nether Brick Stairs, Nether Brick Fence, Nether Brick Wall, Red Nether Bricks, Red Nether Brick Slab, Red Nether Brick Stairs, Red Nether Brick Wall, Cracked Nether Bricks, and Chiseled Nether Bricks are now simplified.
•Big Dripleafs are tweaked very slightly.
•Magma Block are now simplified.
•Portal Block is now simplified.
•Respawn Anchors are now simplified.
•Small Dripleafs are now simplified.
•Stripped Crimson Stem, Stripped Warped Stem, and their respective hyphae variants are now simplified.

•Lapis Ore and Deepslate Lapis Ore are now updated to match the Cave and Cliffs style.
•Block of Raw Copper is tweaked.