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The same version history as By Minecraft release , but pivoted: for each data-pack subsystem , when each capability arrived or changed. Use this to answer "since which version can I…?" and to see a feature's whole evolution in one row. Anchored at the current 26.x line back to 1.13 .
Pack format & structure
Change Since Format
Data-pack system (/datapack, folder packs) 1.13 4 supported_formats range field in pack.mcmeta1.20.2 (23w31a) 18 Folder singularization (function/, recipe/, …)1.21 (24w21a) 48 Overlays / overlays + filter in pack.mcmeta 1.19 / 1.20.3 10 / 26 Float pack_format ; min_format/max_format replace supported_formats1.21.9 (25w31a) 88.0
Functions & commands
Change Since Format
Command storage (namespaced NBT database) 1.14 4 /replaceitem → /item1.17 7 /locate syntax change1.18.2 9 Function macros ($, $(...), function … with …) 1.20.2 (23w31a) 18 return / return run / return fail1.20.3 (23w41a–44a) 26
Item data (NBT → components)
Change Since Format
Data components replace raw NBT — {id, count, components}, [...] syntax1.20.5 41 food split — eating logic → consumable (+ use_remainder, use_cooldown, death_protection)1.21.2 57 fire_resistant → damage_resistant1.21.2 57 show_in_tooltip removed → tooltip_display component1.21.5 71 Entity-variant components (wolf/cat/… variants data-driven) 1.21.5 71
Recipes, loot & predicates
Change Since Format
Recipes (recipes/) 1.13 4 Predicates (predicates/)1.15 5 Loot functions require explicit type 1.18 8 Recipe group / unlocking refinements 1.20 15 set_nbt → set_custom_data; looting_enchant → enchanted_count_increase1.20.5 41 Loot-context refs renamed: killer → attacker 1.21 48
Text, signs, scoreboards & storage
Change Since Format
Sign NBT → front_text / back_text 1.20 15 Scoreboard displayautoupdate + number format (blank/fixed/styled) 1.20.3 26 Strict text-component parsing 1.20.3 26 Text components stored as NBT objects (snake_case interactivity fields) 1.21.5 71
Display & avatar entities
Change Since Format
Display entities (block_display, item_display, text_display)1.19.4 (23w06a) 12 Display teleport_duration (position/rotation interpolation) 1.20.2 18 minecraft:mannequin1.21.9 (25w36a) 88.0
World generation
Change Since Format
Custom world generation (worldgen/) — dimensions & biomes 1.16.2 6 Worldgen rewrite — noise settings, density functions, noise router1.18 8 Consolidated jigsaw structure type; world seed removed (universal) 1.19 (22w11a) 10 Biome precipitation → has_precipitation 1.19.4 12 carving_mask placement modifier removed 1.21.2 (24w33a) 57 Dimension type cloud_height 1.21.6 80 Density: find_top_surface / invert; initial_density_without_jaggedness → preliminary_surface_level 1.21.9 88.0 dimension_type gameplay flags → attributes (additive); surface_rule → material_rule26.x 101.1+
⚠ Version differences
Worldgen is the least stable data-pack surface — fields are renamed/removed at the snapshot level with no backward-compatibility guarantee. Always regenerate and validate worldgen JSON against your exact target version; the 26.x rows are tentative unless JAR-verified.
New registry folders
Folder Since Format
worldgen/…1.16.2 6 chat_type/1.19 10 damage_type/1.19.4 12 enchantment/1.21 48 Mob-variant registries (cat_variant/, wolf_sound_variant/, …) 1.21.5 71 dialog/1.21.6 80
Sources