Bedrock Edition beta 1.2.20.2

Beta 1.2.20.2 is the eight build released for 1.4 that fixed bugs.

Changes

 * Updated Dolphin model
 * Dolphins now have sounds
 * Added Pocket UI screens for Compound Creator, Element Constructor, Material Reducer and Lab Table
 * Updated textures for Nautilus Shell and Heart of the Sea

Fixes

 * Fixed a crash that occurred when creating a world when the Education Edition toggle was enabled
 * Fixed a crash that occurred when deleting a World or Resource Pack through the Storage screen
 * Attempting to import Education Edition world files no longer resets worlds
 * Reduced the delay when placing or destroying blocks
 * Curse of Binding and Vanishing books can no longer be acquired by trading with a Librarian Villager
 * All Chemistry items now appear in Creative inventory if Education Editioncheat is enabled
 * Reduced the amount of Magma Blocks that generate in underwater ravines
 * Bucket of Fish items now appear in the Creative Inventory
 * Dolphins can successfully get back to water now
 * Fixed several of the top crashed that occurred during gameplay
 * Fixed some toggles and buttons staying highlighted in Settings when they shouldn't
 * Fixed the crafting recipes of Prismarine Bricks and Dark Prismarine being switched
 * Guardians will now attack Cod
 * Guardians can no longer jump out of the water and suspend themselves in air while firing their beam
 * Water can once again be removed with a bucket if there is a block above it
 * The Paper Doll is no longer running on the main menu
 * It is once again possible to fill an Empty Bucket using touch controls
 * Water around chests in Ruins no longer appears if the Ruin generates above water
 * Charging a Bow or Trident and switching items no longer causes blocks to not drop when broken
 * Ravines once again generate correctly
 * Crouching and flying up no longer causes the player to jump in Creative mode