21w37a — release journal

What 21w37a changed for data packs, measured against 1.17.1, the build before it. Released 2021-09-15; development build — not a release.

⚠ Entries removed

8 registry entries were removed. A pack that names one of them will fail to parse where it does.

Formats

1.17.121w37a
Data pack format7.08.0 moved
Resource pack format7.07.0
Data version27302834

Registries

40 entries added and 8 removed across 12 registries.

RegistryChangeAddedRemoved
fontchangedillageralt—
sound_eventchangeditem.bundle.drop_contents, item.bundle.insert, item.bundle.remove_one—
tag/blockchangedlava_pool_stone_cannot_replacelava_pool_stone_replaceables
texturechangedfont/asciillager—
worldgen/biomechangedgrove, lofty_peaks, meadow, snowcapped_peaks, snowy_slopes, stony_peaks—
worldgen/biome_sourcechanged—vanilla_layered
worldgen/block_state_provider_typechangeddual_noise_2d_provider, noise_2d_cutoff_provider, noise_2d_providerforest_flower_provider, plain_flower_provider
worldgen/configured_carverchangedprototype_cave_extra_undergroundprototype_crevice
worldgen/configured_featurechangedfancy_oak_bees_05, flower_meadow, meadow_trees, prototype_ore_andesite_lower, prototype_ore_andesite_upper, prototype_ore_copper_large, prototype_ore_diorite_lower, prototype_ore_diorite_upper, prototype_ore_granite_lower, prototype_ore_granite_upper, super_birch_bees_05prototype_ore_andesite, prototype_ore_diorite, prototype_ore_granite
worldgen/configured_surface_builderchangedgrove, lofty_peaks, snowcapped_peaks, snowy_slopes, stone_shore, stony_peaks—
worldgen/decoratorchangedsurface_relative_threshold—
worldgen/surface_builderchangedgrove, lofty_peaks, snowcapped_peaks, snowy_slopes, stone_shore, stony_peaks—

The official notes

Read the 21w37a article on minecraft.net.

That article's technical changes are grouped under these headings — open it for the detail:

Minecraft Wiki page for 21w37a.

In the journal

← 1.17.1 · All builds · 21w38a →

Sources