Additions
• Note blocks can now play the bass instrument
• Right-click is now supported in Firefox
• Lava bubble particles now properly appear
• Snow balls melt when thrown through lava
• Tool tips shrink to the size of their text
• Carrot on a stick now turns into a fishing rod when used
• (Desktop) Fullscreen mode no longer has window border when maximizing
• (Desktop) Discord rich presence
 
Bug fixes
• Particles, entities, animations, and console logs now pause with the rest of the game
• Endermen now teleport out of water
• Lever can make off sound
• Closed fence gates are no longer escapable
• Nethereye spawn egg is no longer a blank egg
• Clay, coal ore, and diamond ore can now be used with canDestroy and canPlaceOn
• Command history now goes back 100 commands instead of only 10
• Health bar shows correct hearts when leaving hardcore worlds
• Blazes now drop glowstone dust instead of bedrock
• Spider properly behave hostile at night and underground
• Squid knockback behavior is less wacky
• Saving worlds with special characters in name no longer crashes the game
• Holding both mouse buttons down no longer causes items to be used rapidly
• Shift-clicked items now combine before filling empty slots in chests, dispensers, and droppers
• Flaming chickens set flammable blocks on fire again
• Explosion particles are no longer somewhere off-screen
• Nethereyes now "face" the right direction
• Splash potions no longer rapidly play the splash sound in water
• Splash potions now respect gravity when falling through water
• Depth Strider II no longer displays as Depth Strider III
• Cowctus sand dust particles no longer move based on player speed
• Minecart chest interface closes if cart is too far away
• Rafts no longer drop items when broken in creative
• All output slots of brewing stand can now be set by one item data in commands
• Spectator movement is no longer possible when in an interface
• Ender dragon fireballs properly explode when hitting mobs while player is in spectator mode
• Skin database no longer gets stuck when website is down
 
Tweaks
• Frame rate is now doubled to 50 FPS!
• Fence gates now connect to each other
• Torches break instantly when support is broken
• Shear renamed to shears
• Ender chest interface now has the title "Ender Chest"
• Home and tp commands now reset player velocity
• Blaze powder can now be shift-clicked into a potion ingredient if the fuel is full
• Version dialog can no longer be opened when not in main menu
• Hostile mobs with weakness potion now deal a minimum damage of 1 health
 
Visual Changes
• Splash screen updated
• The game's resolution is now static (so it's more pixelated, but with no more lines between blocks)
• Stairs and slabs textures are no longer rotated with the block direction
• Achievements menu scroll pane restyled
• Native fonts and "Vogel" removed in favor of the pixel style fonts
• Close and settings icons remade to match volume icon resolution
• Mob spawner texture is no longer double the resolution
• Rotating stars in the sky now rotate more centered than before
• Flickering when cycling pages in skin database is reduced
• Block selector graphic now matches block resolution
 
Removals
• Flash is "removed", I guess?
• Help menu replaced with wiki link
• "Allow Saving" menu no longer necessary
• Game loading screen removed
• Text is no longer selectable in FAQ and Achievements panes
• Navigating menus with the keyboard is not yet supported
• Undo, redo, and drag-and-drop in text fields is not yet supported
 
Known Issues
• Rarely, some computers may have unusual visual bugs. Try the EXE version, or a different browser.
• Text may be less readable on some computers. Try the EXE version.
• Browsers may delete saves if you stop playing for a long time. Backup your save files often!
• Safari browser may harshly limit save file size when playing on some websites. Please use a different browser.
• If your game is very laggy, you may have GPU acceleration turned off. Enable it, or try the EXE version.
 
Changes between 1.2.0.52 and 1.30.3b
(This is only for those of you following the weekly updates before launch!)
• Splash potions now respect gravity when falling in water
• Player bounces on slime blocks at a more expected height
• Drops and minecarts now launch from slime blocks at proper speed
• Vignette now displays over entities instead of behind
• Mobs are no longer the wrong scale after growing up
• Spawnskin load error message now specifies the skin ID
• Default spawnskin now loads properly
• Closed fence gates are no longer escapable
• Fire on creeper repositioned properly
• Colors of two smoke types swapped
• Button hover sound now matches original
• Lag caused by running mobs offscreen fixed
• Clay, coal ore, and diamond ore migrated to blocks
• Sitting or standing a dog resets its hostility
• Far away audio no longer uses up audio slots
• Colored lights now properly reset when traveling dimensions
• Jumping menu text can now fit longest message without clipping

Brand New Since Classic
• Ender dragon no longer disappears in peaceful mode
• Crops drop as though mined by player when broken
• Blocks destroyed by water now drop
• Skin data tag can now be a string
• Arrows are no longer floating when shot at endermen
• Dogs now can only breed in full health
• Using items no longer triggers sneak effects other than slowed movement
• Rafts no longer collide with noncolliding blocks like leaves
• Give command quantity is now limited to 10000
• Maximum horizontal tp coordinate is now 10000 instead of 1100
• Repairing two items in crafting table no longer ignores items in other crafting slots
• Ender dragon can no longer nudge the player in spectator mode
• Milk bucket moved to food category of creative item library
• Hotbar selection no longer thrashes when clicking between two slots
• (Desktop) Saving is now multi-threaded to remove autosave lag spike
 
Bug Fixes
• World migration now applies to all dimensions, fixing various world loading issues
• Experience orbs now save and load properly
• Mobs no longer appear to freeze in place when teleporting
• Skins loaded from file now properly saves
• Skins loaded from file properly gain transparency
• Backdrops are now only as dark as they were in Mine Blocks Classic
• Shrubs properly display as dry in desert
• Growth and damage data tags can now be set with commands
• Worlds created that have existing save files no longer override save file settings
• Chestplates now display in front of leggings on mobs
• Scaled text looks more consistent across computers
• Experience level text size increased
• Mining animation is no longer one frame off
• Equipped mob head now displays one pixel higher up
• Crash caused by loading dimension with invalid mob data fixed
• Hotbar slots no longer enter invalid state when swiping over within one frame
• (Touch screen) Left-clicking no longer break when holding items with use timers, like food
 
Desktop-specific Fixes
• Minecarts now work
• Armor no longer loses data tags when taking damage
• End crystals now properly populate
• Crash when loading experience orbs fixed
• Dispenser & dropper slots no longer become null after dispensing
• canDestroy now works
• Gamerule command now accepts the value "true"
• Skin creation dates no longer overflow
• Squids now move as normal
• Window now launches at proper size from start
• Downloadable version is available for 32bit CPUs