Minecraft wiki entry for Development_versions, associated text: Water blocks near edges should now flow properly
Fire can no longer be placed on top of Lightning Rods
The width of Walls connecting to Candles is now correct (MCPE-141156)
Improved the animation of falling blocks entities (e.g. Sand and Gravel) (MCPE-142010)
Big Dripleaf, Amethyst Buds, and Amethyst Clusters no longer break in Structure Blocks
Amethyst Clusters are now properly destroyed when the supporting block is destroyed (MCPE-126076)
Copper Blocks and variants now oxidize in the Nether (MCPE-134954)
Big Dripleaf placement has been restricted to Clay, Grass, Dirt, Farmland, Moss, Rooted Dirt, Podzol, and Mycelium (MCPE-123392)
Pointed Dripstone can now only be placed on full faces of blocks
Glow Lichen is now oriented the correct way when placed
Magma Blocks no longer deal damage when FireDamage gamerule is set to false (MCPE-99718)
Player can now use emotes on scaffolding (MCPE-147624)
Players no longer have problems moving after respawning or getting out of bed