Minecraft 20w45a

Everything below is measured by comparing the game files of 1.16.4 with 20w45a — not copied from patch notes.

20w45a block and item additions

80 new blocks and items. Hover a slot for the name; click to open its page.

Blocks +76 · −1

Amethyst BlockAmethyst ClusterBlack CandleBlack Candle CakeBlue CandleBlue Candle CakeBrown CandleBrown Candle CakeBudding AmethystCalciteCandleCandle CakeCopper BlockCopper OreCut CopperCut Copper SlabCut Copper StairsCyan CandleCyan Candle CakeDirt PathGray CandleGray Candle CakeGreen CandleGreen Candle CakeLarge Amethyst BudLava CauldronLight Blue CandleLight Blue Candle CakeLight Gray CandleLight Gray Candle CakeLightly Weathered Copper BlockLightly Weathered Cut CopperLightly Weathered Cut Copper SlabLightly Weathered Cut Copper StairsLightning RodLime CandleLime Candle CakeMagenta CandleMagenta Candle CakeMedium Amethyst BudOrange CandleOrange Candle CakePink CandlePink Candle CakePurple CandlePurple Candle CakeRed CandleRed Candle CakeSemi Weathered Copper BlockSemi Weathered Cut CopperSemi Weathered Cut Copper SlabSemi Weathered Cut Copper StairsSmall Amethyst BudTinted GlassTuffWater CauldronWaxed CopperWaxed Cut CopperWaxed Cut Copper SlabWaxed Cut Copper StairsWaxed Lightly Weathered CopperWaxed Lightly Weathered Cut CopperWaxed Lightly Weathered Cut Copper SlabWaxed Lightly Weathered Cut Copper StairsWaxed Semi Weathered CopperWaxed Semi Weathered Cut CopperWaxed Semi Weathered Cut Copper SlabWaxed Semi Weathered Cut Copper StairsWeathered Copper BlockWeathered Cut CopperWeathered Cut Copper SlabWeathered Cut Copper StairsWhite CandleWhite Candle CakeYellow CandleYellow Candle Cake

Removed: minecraft:grass_path

Items +61 · −1

Amethyst BlockAmethyst ClusterAmethyst ShardBlack CandleBlue CandleBrown CandleBudding AmethystBundleCalciteCandleCopper BlockCopper IngotCopper OreCut CopperCut Copper SlabCut Copper StairsCyan CandleDirt PathGray CandleGreen CandleLarge Amethyst BudLight Blue CandleLight Gray CandleLightly Weathered Copper BlockLightly Weathered Cut CopperLightly Weathered Cut Copper SlabLightly Weathered Cut Copper StairsLightning RodLime CandleMagenta CandleMedium Amethyst BudOrange CandlePink CandlePurple CandleRed CandleSemi Weathered Copper BlockSemi Weathered Cut CopperSemi Weathered Cut Copper SlabSemi Weathered Cut Copper StairsSmall Amethyst BudSpyglassTinted GlassTuffWaxed CopperWaxed Cut CopperWaxed Cut Copper SlabWaxed Cut Copper StairsWaxed Lightly Weathered CopperWaxed Lightly Weathered Cut CopperWaxed Lightly Weathered Cut Copper SlabWaxed Lightly Weathered Cut Copper StairsWaxed Semi Weathered CopperWaxed Semi Weathered Cut CopperWaxed Semi Weathered Cut Copper SlabWaxed Semi Weathered Cut Copper StairsWeathered Copper BlockWeathered Cut CopperWeathered Cut Copper SlabWeathered Cut Copper StairsWhite CandleYellow Candle

Removed: minecraft:grass_path

Particles +1

How to make the new things 59

Hover a slot to see what goes in it.

Result	Made in	Recipe
Amethyst Block	Crafting
Black Candle	Crafting
Blue Candle	Crafting
Brown Candle	Crafting
Bundle	Crafting
Candle	Crafting
Copper Block	Crafting
Copper Ingot	Smelting	Smelting10.0s · 0.7 XP
Copper Ingot	Blasting	Blasting5.0s · 0.7 XP
Copper Ingot	Crafting	9
Cut Copper	Crafting	4
Cut Copper Slab	Crafting	4
Cut Copper Stairs	Crafting	4
Cyan Candle	Crafting
Gray Candle	Crafting
Green Candle	Crafting
Light Blue Candle	Crafting
Light Gray Candle	Crafting
Lightly Weathered Cut Copper	Crafting	4
Lightly Weathered Cut Copper Slab	Crafting	4
Lightly Weathered Cut Copper Stairs	Crafting	4
Lightning Rod	Crafting
Lime Candle	Crafting
Magenta Candle	Crafting
Orange Candle	Crafting
Pink Candle	Crafting
Purple Candle	Crafting
Red Candle	Crafting
Semi Weathered Cut Copper	Crafting	4
Semi Weathered Cut Copper Slab	Crafting	4
Semi Weathered Cut Copper Stairs	Crafting	4
Spyglass	Crafting
Tinted Glass	Crafting	2
Waxed Copper	Crafting
Waxed Cut Copper	Crafting
Waxed Cut Copper	Crafting	4
Waxed Cut Copper Slab	Crafting
Waxed Cut Copper Slab	Crafting	4
Waxed Cut Copper Stairs	Crafting
Waxed Cut Copper Stairs	Crafting	4
Waxed Lightly Weathered Copper	Crafting
Waxed Lightly Weathered Cut Copper	Crafting
Waxed Lightly Weathered Cut Copper	Crafting	4
Waxed Lightly Weathered Cut Copper Slab	Crafting
Waxed Lightly Weathered Cut Copper Slab	Crafting	4
Waxed Lightly Weathered Cut Copper Stairs	Crafting
Waxed Lightly Weathered Cut Copper Stairs	Crafting	4
Waxed Semi Weathered Copper	Crafting
Waxed Semi Weathered Cut Copper	Crafting
Waxed Semi Weathered Cut Copper	Crafting	4
Waxed Semi Weathered Cut Copper Slab	Crafting
Waxed Semi Weathered Cut Copper Slab	Crafting	4
Waxed Semi Weathered Cut Copper Stairs	Crafting
Waxed Semi Weathered Cut Copper Stairs	Crafting	4
Weathered Cut Copper	Crafting	4
Weathered Cut Copper Slab	Crafting	4
Weathered Cut Copper Stairs	Crafting	4
White Candle	Crafting
Yellow Candle	Crafting

Sound events +43

Block states changed

New in-game text 92

Showing the first 80 of 92 new strings.

Read from Mojang’s own release notes for Minecraft Snapshot 20w45a, published 2020-11-04. Every entry keeps its original bug ID.

42 issues fixed, read from Mojang’s own patch notes. Each entry keeps its original bug ID.

Fixed bugs in 20w45a 42

• MC-98219 Experience orbs follow dead players
• MC-108469 Chunk-wise entity lists often don't get updated correctly (Entities disappear
• MC-112147 Lava burning items or XP orbs sound muted when "Friendly Creatures" slider is turned off
• MC-127201 /replaceitem makes quite an obnoxious sound, which is not heard by the person whose items are being replaced.
• MC-127692 Experience build up in furnace when using a hopper which can cause severe lag
• MC-130449 Cartographer villager freezes or crashes the game when unlocking explorer maps
• MC-130584 When a structure loads, water sources in the structure spread into waterloggable blocks
• MC-133691 Blocks can't be placed normally on a full cauldron
• MC-135552 Dead Entities are saved to chunk
• MC-136497 XP orbs causing severe lag
• MC-141034 taiga_fisher_cottage_1 is filled with water
• MC-169900 Incorrect jigsaw setting in snowy_small_house_8
• MC-169945 Skeletons don't burn in minecarts while being exposed to daylight
• MC-171852 Putting item in a spectator's hand plays sound "Gear equips" for other players
• MC-174685 Drowned arm texture is reversed by the model
• MC-175959 One door is open in taiga_shepherds_house_1
• MC-177622 One log in taiga_butcher_shop_1 seems to be misrotated causing the side roof to look asymmetrical
• MC-177624 Entrance in snowy_medium_house_2 is asymmetrical
• MC-181889 Equipping sound plays when mobs picking up non-armor items
• MC-185357 Removing a plant from a flower pot still plays generic armor equipping sound/shows Gear equips in subtitles
• MC-185359 Using a bucket in Survival mode still plays generic armor equipping sound/shows Gear equips in subtitles
• MC-185360 Milking a mooshroom for stew still plays armor equip sound/shows Gear equips subtitle
• MC-189565 Some entities do not render inside of spawners and producing error log spam in console, potentially causing lag
• MC-190896 Lag when opening a shipwreck chest containing buried treasure map
• MC-192594 plains_stable_1 misplaced blocks
• MC-192629 plains_stable_2 misplaced blocks
• MC-192876 Misplaced trapdoor on taiga_decoration_6
• MC-192879 Wall incorrectly placed on certain taiga houses
• MC-192930 Zombies picking up items play the gear equipping sound and subtitle
• MC-193071 Eating food items that return empty containers still play gear equipping sound
• MC-195125 plains_animal_pen_1 misplaced block
• MC-195126 plains_animal_pen_3 misplaced blocks
• MC-195351 Comparator in compare mode can schedule unneeded tileticks
• MC-196542 Small cleanup for skylight propagation code
• MC-197009 Referencing empty item tag in recipe can crash client
• MC-197140 Jack o'Lantern doesn't come after Carved Pumpkin in Creative Inventory
• MC-197179 Baby piglins that pick up leather don't despawn, cluttering the Nether with unnecessary baby piglins
• MC-197524 Border chunks do not enforce neighbors to be loaded, causing light updates to get stuck
• MC-198129 ReplaceBlobsFeature changed from 1.16.1 to 1.16.2, affecting Basalt Delta generation
• MC-198414 if the angle in /spawnpoint is set to +-infinity, and the player dies, it will kick the player, and upon rejoin will crash the game
• MC-198807 Making piglins and piglin brutes angry at certain entities (like dropped items) crashes the game
• MC-202246 Drowned navigation causes memory leak/performance degredation

This build was part of the run-up to 1.16.5. Everything tested here landed in that release.