Bedrock Edition beta 1.2.20.1

Beta 1.2.20.1 is the seventh beta version released for 1.4 that adds the Update Aquatic features This update also includes the Chemistry Update features from the Education Edition.

Although labeled as a beta for the respective update, an update labeled 1.2.20 never came, (some unofficially referring it as "Bedrock's Lost Update") similar to how Java Edition Beta 1.9 was never released. Instead, these features were later postponed to be fully implemented into the release of 1.4.

Additions

 * Water has a completely new look and it is now much easier to see above and underwater
 * Added Education Edition toggle
 * Can be toggled in Cheats
 * Activates Chemistry Update features when toggled
 * Added various chemical elements and compounds.
 * Dolphin
 * Underwater ruins
 * Underwater caves
 * Sea pickle
 * Heart of the Sea
 * Version exclusive : Has an unique texture
 * Obtainable inside buried treasure chest loot.
 * Currently has no use
 * Nautilus Shell
 * Version exclusive : Has an unique texture
 * Currently has no use
 * Potion
 * Antidote
 * Brewed by adding silver to awkward potion
 * Removes poison effect
 * Elixir
 * Brewed by adding cobalt to awkward potion
 * Removes weakness effect
 * Eye drop
 * Brewed by adding calcium to awkward potion
 * Removes blindness effect
 * Tonic
 * Brewed by adding bismuth to awkward potion
 * Removes nausea effect

Features from Chemistry Update

 * Added Compound Creator
 * Used to create compound from elements
 * Added Element Constructor
 * Used to create elements
 * Added Lab Table
 * Used to create new item or block by combining element and compound
 * Added Material Reducer
 * Used to create chemical material from blocks
 * Added Balloon
 * Entity which can be tied to fence and mob, similar to leash knot.
 * Will make mobs float on air when used to mob
 * Added Ice Bomb
 * Projectile that can transform water into ice
 * Added Underwater TNT
 * TNT that can destroy block underwater
 * Added Sparkler
 * Can be used as offhand item
 * Appears in orange, purple, red and green.
 * Added Super Fertilizer
 * Used to grow plant maturely in single use
 * Added Heat Block
 * Can melt snow and ice, similar to torch
 * Added Colored Torch
 * Appear in Blue, Red, Purple, and Green.
 * Added Underwater Torch
 * Torch that can be placed underwater.
 * Added Hardened Glass and Hardened Glass Pane
 * Appear in 16 colors and undyed version.
 * Added Glow Stick
 * Appears in 16 colors
 * Added Bleach
 * used as crafting ingredient to turn wool, carpet, banner, and bed into white color.

Changes

 * Players are now able to swim through 1x1 gaps
 * Updated textures for Stripped Jungle Wood, Fish Spawn Eggs, Coral Fans, and Dried Kelp Blocks and the Kelp item.
 * New animation for Trident with Riptide
 * Cauldrons now can be used underwater, but require a trapdoor on top
 * Polar Bears and Strays can now spawn in frozen oceans
 * The breath meter no longer instantly refills
 * Fish Spawn Eggs are no longer within Experimental gameplay
 * Baby Zombies can now burn in daylight
 * Zombies and Skeletons now burn in daylight while in boats
 * Riptide enchantment
 * No longer compatible with Loyalty and Channeling enchantment.
 * Now will pull player when thrown in water or raining, but does nothing on land, instead of thrown
 * Rails now work underwater

Fixes

 * Fixed several of the top crashes that occurred during gameplay
 * Fixed a crash that occurred after rating content in the Marketplace
 * Fixed a crash that occurred when importing an Add-On with an invalid manifest file
 * Skin selections will once again save after closing the game or signing out
 * Item names and descriptions will once again appear using touch controls on Classic UI
 * "Destroy Block (vibrate)" toggle once appears in Touch settings
 * Fixed Villager trades becoming deactivated in certain cases when using touch controls
 * Soul Sand and Gravel once again generate in the Nether
 * Activated resource packs will now stay active upon downloading any other resource pack during world creation
 * Disconnecting a controller while making input no longer continues that input until the controller is reconnected
 * Lava with a block on top no longer prevents fire damage to entities and will fix Chicken cookers
 * Fixed the appearance of bubbles around the Guardian laser attack
 * Underwater effect is no longer applied when the player's head is above water
 * Initiating World Template screen now shows a progress bar
 * Water source blocks surrounding Glass and Sea Lanterns no longer turn into flowing water blocks
 * Fire Resistance potions now protect Snow Golems from dying in warm biomes
 * Disconnected water flows no longer visually show as connected
 * Chroma Hills HD Texture Pack fonts now apply correctly
 * Split-Screen controls are no longer mixed up when the game is launched while using keyboard and mouse input on Xbox One
 * The default author for books are now set to "Author Unknown"
 * Buttons made from Oak or Stone are now displayed as Oak Button and Stone Button, respectively
 * '/clear' will now clear items held in hand when playing in Classic UI
 * Improvements to Store load times

Fixes for bugs introduced during Beta

 * Fixed a crash that occurred for the host of a multiplayer game when pressing Save & Quit
 * Fixed a crash that occurred for multiplayer clients when Pufferfish inflated
 * Fixed a crash that occurred when opening chests from shipwrecks
 * Fixed a crash that occurred when entering size coordinates into Remix 3D exporting on Windows 10
 * Fixed a crash that occurred when pushing/pulling a chest with a Sticky Piston underwater
 * Increased performance in oceans
 * Swimming controls no longer override Creative flying controls
 * Adjustments to the camera view of the swimming animation
 * Water in Cauldrons is no longer invisible
 * Warm oceans are now easier to find
 * Enchanted Tridents no longer flash red when set on fire
 * Thrown Tridents no longer have a placeholder name
 * Trident attack damage is now listed in its item tooltip
 * Fixed strange Trident behavior when it's thrown into snow
 * Players who are not the owner of a Trident with Loyalty can no longer pick it up
 * Falling Sand is no longer affected by Tridents enchanted with Channeling
 * Tridents can now be fire from Dispensers
 * Tridents thrown underwater will no longer continue to produce bubbles
 * Ocean Monuments now spawn in all deep ocean variants
 * Fixed item name of Tropical Fish
 * Improved Fish spawning and despawning
 * Trees can now be stripped with an Axe when using touch controls
 * Bone drop rate from Fish has been reduced to 25%
 * Removed Sponges from the Drowned's loot table
 * Items now float properly on the surface of water
 * Increased the spawn rate of shipwrecks
 * Removed underwater mega ravines
 * Kelp no longer spawns in frozen oceans
 * Kelp now stops growing when it reaches the surface
 * Fish are no longer invisible on some devices
 * Top Kelp blocks are no longer missing transparency when viewed at certain distances
 * Redstone Dust will now properly light up when powered
 * Water blocks between Bookshelves and Enchantment Tables will no longer affect the level of enchantments available
 * Buckets of fish acquired with commands will now drop fish
 * Villagers in Igloos can once again be traded with
 * GUI Scale once again applies properly when launching the game
 * Drowned now spawn properly in new ocean biomes
 * Treasure Maps can now be obtained through commands when Experimental Gameplay is disabled
 * Dried Kelp now appears in Miscellaneous Food of the Equipment tab in the Creative inventory
 * Fixed Seagrass icon appearing as regular grass
 * Fixed Seagrass spawning on icebergs
 * Overworld mobs will no longer spawn underwater on Kelp and Seagrass
 * Blocks moved by Pistons underwater are now filled with water
 * Pistons and Sticky Pistons are now properly displayed underwater