Block4Block 2.4 patch notes:
1.20 support:

Block for Block (no-loot-on-break list)
Block of Bamboo
Block of Stripped Bamboo
Bamboo Planks
Bamboo Mosaic
Bamboo Stairs
Bamboo Mosaic Stairs
Bamboo Slab
Bamboo Mosaic Slab
Bamboo Fence
Bamboo Fence Gate
Bamboo Door
Bamboo Trapdoor
Cherry Wood
Stripped Cherry Wood
Cherry Planks
Cherry Stairs
Cherry Slab
Cherry Fence
Cherry Fence Gate
Cherry Door
Cherry Trapdoor
Pink Petals
Pitcher Plant
Potted Pitcher Plant
Sniffer Egg
Suspicious Gravel
Suspicious Sand
Torchflower
Potted Torchflower
Bamboo Pressure Plate
Bamboo Button
Bamboo Sign
Bamboo Hanging Sign
Calibrated Sculk Sensor
Cherry Pressure Plate
Cherry Button
Cherry Sign
Cherry Hanging Sign
Chiseled Bookshelf


Free to Break
Cherry Log
Stripped Cherry Log
Cherry Leaves
Cherry Sapling
torchflower_crop
pitcher_crop


Free in Claim
Bamboo Pressure Plate
Bamboo Button
Bamboo Sign
Bamboo Hanging Sign
Calibrated Sculk Sensor
Cherry Pressure Plate
Cherry Button
Cherry Sign
Cherry Hanging Sign
Chiseled Bookshelf