Minecraft Bedrock Edition seems to have finished its development for the 1.21 Tricky Trials update, as Mojang has already started working on the release for 1.21.10. For this reason, the patches seem to be getting smaller as most major bugs have already been addressed.The new Minecraft bedrock 1.21.10.21 beta and preview release brings some optimizations and bug fixes to the game. There are also some Realms improvements for players who enjoy playing multiplayer on the paid subscription service.Let's go over all the features, changes, and bug fixes in Minecraft Bedrock 1.21.10.21.Minecraft Bedrock 1.21.10.21 beta and preview: All you need to knowFeatures and bug fixes in Minecraft Bedrock 1.21.10.21Character CreatorUpdated the Dressing Room category names for "Headwear", "Outerwear", and "Footwear"Customizable controlsCustomized controls no longer revert after player stops flight (MCPE-180234)The control customization screen is now automatically exited when input mode is switched to something other than touch controlsThe paper doll can now be shown in the HUD when customizable controls is enabled (MCPE-176334)Customized control button sizes remain stable when going up or down Scaffolding or Ladders (MCPE-178820)Game TipsAdded chat game tip. The tip appears when there are remote players in a world or if cheats are enabledIf the chat game tip can be shown for a player, the open chat instructions posted in the chat are removedGameplayFixed Wolf Armor breaking not emitting enough Scute particles (MCPE-179664)Mounted entities are no longer immune to Wind Charge projectile damageBanners are once again obtainable via the recipe book (MCPE-179650)Tweaked the way the dismount position is calculated to better align with moving vehicles. This could result in minor differences when dismounting fast vehiclesLoading TipsAdded animated title to the loading tips dialogPreview RealmsA local World can now be uploaded to a Preview Realm World through the Edit World screen, similar to a non-Preview RealmTyping into the search box on the Realms Stories Members tab no longer overrides the filter optionsFixed a crash that could occur when viewing Realms Stories on a busy RealmNew lines are no longer removed from Realms Stories posts that are displayed in the story feedStability and PerformanceFixed item and block corruption when converting worlds from legacy Console EditionStructure BlocksFixed the Help button link in the Structure Block’s menu (MCPE-179672)User InterfaceRefreshed assets for Achievements screen: all achievements unlocked illustration, no achievement unlocked illustration, and the GamerScore iconAdded a button for exiting the world from the death screen when in Hardcore mode (Preview only)Fixed a bug that caused half-absorption hearts not be rendered (MCPE-181245)Technical UpdatesBiomesBiome components "minecraft:forced_features" and "minecraft:ignore_automatic_features" are now deprecatedBlocksRestored the back-side texture of the Sunflower to be leafy green (MCPE-181275)"coral_fan_hang" block is now split into unique instances "tube_coral_wall_fan", "brain_coral_wall_fan", "dead_tube_coral_wall_fan", and "dead_brain_coral_wall_fan""coral_fan_hang2" block is now split into unique instances "bubble_coral_wall_fan", "fire_coral_wall_fan", "dead_bubble_coral_wall_fan", and "dead_fire_coral_wall_fan""coral_fan_hang3" block is now split into unique instances "horn_coral_wall_fan" and "dead_horn_coral_wall_fan""stone_block_slab4" block is now split into unique instances "mossy_stone_brick_slab", "smooth_quartz_slab", "normal_stone_slab", "cut_sandstone_slab" and "cut_red_sandstone_slab""mossy_stone_brick_slab" now has a destruction time of 1.5EditorDo not show Hardcore mode option when creating an editor projectUpdated Selection, Brush, Line, Paste, Delete, Fill tool to load bounds before applying changesAdded IActionBar API to manage scripted IActionBarItemAdded property actionBar: IActionBar to IPlayerUISession API which represents quick action items in the action bar selector UIAdded addColorPicker method to IPropertyPane API to display a color picker property pane item for modifying RGBA valuesTechnical Experimental UpdatesAPIEntityBreathableComponentChanged function setAirSupply(value: number): void to property airSupply: number in betaAdded property readonly canBreathe: boolean to betaEntityComponentMoved class EntityMovementComponent from beta to 1.12.0Moved class EntityLavaMovementComponent from beta to 1.12.0Moved class EntityMovementGlideComponent from beta to 1.12.0Moved class EntityMovementSwayComponent from beta to 1.12.0Moved class EntityUnderwaterMovementComponent from beta to 1.12.0Added class PlayerCursorInventoryComponent which adds read-only access to the players cursor inventory and the ability to clear itKnown issues with Minecraft Bedrock 1.21.10.21Mojang has also shared a list of known issues with the latest Minecraft beta and preview. These issues will be fixed in a future release:New Preview Realms cannot be created through the Worlds tabPlayers do not receive damage from suffocationGame invites do not pop up on iOSInvite only and Visible to LAN Players toggles are missing from the Multiplayer settings some platformsOther Important Topics15 best Minecraft village seeds30 best Minecraft Bedrock seeds for 1.2015 best Minecraft 1.20 seeds for islands20 best Minecraft 1.20 Java seedsBest Minecraft Seeds 1.2020 best Minecraft Cherry Blossom seeds for 1.20 UpdateHow to update to Minecraft Bedrock 1.20.71How to duplicate armor trim in MinecraftHow to fix Minecraft exit code 1How to get an invisible item frame in Minecraft