1. changed crafting recipes.
2. Right-click the saw table while holding an item:

Log / Stem → Stripped Log / Stripped Stem → Fence → Fence Gate → Button
Planks → Stairs → Slab → Pressure Plate → Button
Door → Trapdoor → Button
Sapling → Stick
Tall Flower → Small Flower; Big Dripleaf → Small Dripleaf
Coral Block → Coral; Cobweb → String
Sulfur → Sulfur Spike; Dripstone Block → Pointed Dripstone; Magma Block → 2 Magma Cream
Bed → Wool → [26.3+: Wool Stairs → Wool Slab → Cushion] → Carpet → String
26.2 and older: Bed → Wool → Carpet → String