Minecraft:Debug property - Revision history

SyncBot: Sync: updated from Minecraft

2026-10-22T11:16:01Z

Sync: updated from Minecraft

← Older revision		Revision as of 11:16, 22 October 2026
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	\| Disables easing the transition between chunks generated in different versions, known as blending. Also disables scheduling ticks for blocks in old chunks on the border of a newly generated chunk to assist with blending.		\| Disables easing the transition between chunks generated in different versions, known as blending. Also disables scheduling ticks for blocks in old chunks on the border of a newly generated chunk to assist with blending.
	\|-		\|-
	\| {{nbt\|bool}} <code>DISABLE_BELOW_ZERO_RETROGENERATION</code>		\| {{nbt\|bool}} <code>DISABLE_BELOW_ZERO_RETROGENERATION</code>{{until\|je 26.4}}
	\| Worlds created before [[Minecraft:Java Edition 1.18\|1.18]] will not generate caves under the old bedrock floor.		\| Worlds created before [[Minecraft:Java Edition 1.18\|1.18]] will not generate caves under the old bedrock floor.
	\|-		\|-
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	\| {{nbt\|bool}} <code>ENABLE_FARLANDS</code>		\| {{nbt\|bool}} <code>ENABLE_FARLANDS</code>
	\|		\|
	{{main\|~~Far Lands (~~Java Edition)#~~In 26.3 (~~debug)}}		{{main\|Java Edition distance effects#With Far Lands debug property on}}
	Disables the [[Minecraft:Far Lands]] fix from Beta 1.8.		Disables the [[Minecraft:Far Lands]] fix from Beta 1.8.
			\|-
			\| {{nbt\|bool}} <code>DISABLE_RUNTIME_MONOMORPHIZATION</code>{{upcoming\|je 26.4}}
			\| {{More info}}
			\|-
			\| {{nbt\|bool}} <code>DUMP_RUNTIME_MONOMORPHIC_CLASSES</code>{{upcoming\|je 26.4}}
			\| {{More info}}
	\|}		\|}

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	\|{{HistoryLine\|\|\|dev=snap3\|Renamed the <code>LARGE_DRIPSTONE</code> debug property to <code>LARGE_SPELEOTHEM</code>.}}		\|{{HistoryLine\|\|\|dev=snap3\|Renamed the <code>LARGE_DRIPSTONE</code> debug property to <code>LARGE_SPELEOTHEM</code>.}}
	\|{{HistoryLine\|\|\|dev=snap4\|Removed the <code>SUBTITLES</code> debug property.}}		\|{{HistoryLine\|\|\|dev=snap4\|Removed the <code>SUBTITLES</code> debug property.}}
			\|{{HistoryLine\|\|\|dev=snap5\|Added the <code>DISABLE_RUNTIME_MONOMORPHIZATION</code> and <code>DUMP_RUNTIME_MONOMORPHIC_CLASSES</code> debug properties.\|Removed the <code>DISABLE_BELOW_ZERO_RETROGENERATION</code> debug property.}}
	}}		}}

SyncBot: Sync: updated from Minecraft

2026-10-14T11:11:42Z

Sync: updated from Minecraft

← Older revision		Revision as of 11:11, 14 October 2026
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	\| Worlds created before [[Minecraft:Java Edition 1.18\|1.18]] will not generate caves under the old bedrock floor.		\| Worlds created before [[Minecraft:Java Edition 1.18\|1.18]] will not generate caves under the old bedrock floor.
	\|-		\|-
	\| {{nbt\|bool}} <code>SUBTITLES</code>		\| {{nbt\|bool}} <code>SUBTITLES</code>{{until\|je 26.4}}
	\| Shows IDs of [[Minecraft:sound event]]s for the subtitles, and a warning when a sound event is missing.		\| Shows IDs of [[Minecraft:sound event]]s for the subtitles, and a warning when a sound event is missing.
	\|-		\|-
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	\|{{HistoryLine\|\|26.4\|dev=snap1\|Removed the <code>ORE_VEINS</code>, <code>AQUIFERS</code>, and <code>DISABLE_ORE_VEINS</code> debug properties.}}		\|{{HistoryLine\|\|26.4\|dev=snap1\|Removed the <code>ORE_VEINS</code>, <code>AQUIFERS</code>, and <code>DISABLE_ORE_VEINS</code> debug properties.}}
	\|{{HistoryLine\|\|\|dev=snap3\|Renamed the <code>LARGE_DRIPSTONE</code> debug property to <code>LARGE_SPELEOTHEM</code>.}}		\|{{HistoryLine\|\|\|dev=snap3\|Renamed the <code>LARGE_DRIPSTONE</code> debug property to <code>LARGE_SPELEOTHEM</code>.}}
			\|{{HistoryLine\|\|\|dev=snap4\|Removed the <code>SUBTITLES</code> debug property.}}
	}}		}}

SyncBot: Sync: updated from Minecraft

2026-10-07T11:09:49Z

Sync: updated from Minecraft

← Older revision		Revision as of 11:09, 7 October 2026
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	\| Disables saving [[Minecraft:chunk]]s, [[Minecraft:entity\|entities]] (excluding [[Minecraft:player]]s), and [[Minecraft:Point_of_Interest\|points of interest]] to disk. This results in all chunks to be regenerated every time they get reloaded, and all player modifications to be deleted. [[Minecraft:Advancements]], [[Minecraft:statistics]], active [[Minecraft:raid]]s, [[Minecraft:world border]]s, [[Minecraft:Random_sequence_format\|random sequences]], and everything in [[Minecraft:Java_Edition_level_format#level.dat_format\|level.dat]] are still saved.		\| Disables saving [[Minecraft:chunk]]s, [[Minecraft:entity\|entities]] (excluding [[Minecraft:player]]s), and [[Minecraft:Point_of_Interest\|points of interest]] to disk. This results in all chunks to be regenerated every time they get reloaded, and all player modifications to be deleted. [[Minecraft:Advancements]], [[Minecraft:statistics]], active [[Minecraft:raid]]s, [[Minecraft:world border]]s, [[Minecraft:Random_sequence_format\|random sequences]], and everything in [[Minecraft:Java_Edition_level_format#level.dat_format\|level.dat]] are still saved.
	\|-		\|-
	\| {{nbt\|bool}} <code>LARGE_DRIPSTONE</code>		\| {{nbt\|bool}} <code>LARGE_DRIPSTONE</code>{{until\|je 26.4}} / <code>LARGE_SPELEOTHEM</code>{{upcoming\|je 26.4}}
	\| When generating [[Minecraft:Dripstone_(feature)\|large dripstone features]]:		\| When generating [[Minecraft:Dripstone_(feature)\|large dripstone features]]:
	* Replaces all [[Minecraft:dripstone block]]s with glass.		* Replaces all [[Minecraft:dripstone block]]s with glass.
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	\|{{HistoryLine\|java upcoming}}		\|{{HistoryLine\|java upcoming}}
	\|{{HistoryLine\|\|26.4\|dev=snap1\|Removed the <code>ORE_VEINS</code>, <code>AQUIFERS</code>, and <code>DISABLE_ORE_VEINS</code> debug properties.}}		\|{{HistoryLine\|\|26.4\|dev=snap1\|Removed the <code>ORE_VEINS</code>, <code>AQUIFERS</code>, and <code>DISABLE_ORE_VEINS</code> debug properties.}}
			\|{{HistoryLine\|\|\|dev=snap3\|Renamed the <code>LARGE_DRIPSTONE</code> debug property to <code>LARGE_SPELEOTHEM</code>.}}
	}}		}}

SyncBot: Sync: updated from Minecraft

2026-09-23T11:18:06Z

Sync: updated from Minecraft

SyncBot: Sync: updated from Minecraft

2026-09-16T11:17:23Z

Sync: updated from Minecraft

← Older revision		Revision as of 11:17, 16 September 2026
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	* Places a diamond block at the top of the stalactite and a gold block at the bottom of the stalagmite.		* Places a diamond block at the top of the stalactite and a gold block at the bottom of the stalagmite.
	* Places creeper heads in the empty space between the stalactite and the stalagmite.		* Places creeper heads in the empty space between the stalactite and the stalagmite.
	\|-
	~~\| {{nbt\|bool}} <code>CARVERS</code>{{until\|java 26.3}}~~
	~~\| Enables <code>debug_mode</code> for all [[Minecraft:Carver definition\|cave carvers]]. For vanilla worldgen:~~
	* Fills the area carved with crimson buttons (cave carvers), oak buttons ("extra underground" cave carvers), or warped buttons (canyon carvers).
	* Places candles in water.
	* Replaces lava with orange stained glass.
	* Places glass on the barrier between aquifers and the carved area.
	\|-		\|-
	\| {{nbt\|bool}} <code>ORE_VEINS</code>		\| {{nbt\|bool}} <code>ORE_VEINS</code>
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	* Text with a <code>hover_event</code> tag is highlighted in aqua.		* Text with a <code>hover_event</code> tag is highlighted in aqua.
	* Text with both <code>click_event</code> and <code>hover_event</code> tags is highlighted in yellow.		* Text with both <code>click_event</code> and <code>hover_event</code> tags is highlighted in yellow.
	\|-
	~~\| {{nbt\|bool}} <code>PREFER_WAYLAND</code>{{until\|je 26.3}}~~
	~~\| On Linux, when both [[Minecraft:w:X Window System\|X11]] and [[Minecraft:w:Wayland_(protocol)\|Wayland]] are available, prefer Wayland instead of X11.~~
	\|-		\|-
	\| {{nbt\|bool}} <code>SIMULATE_LIBRARY_LOAD_FAILURE</code>		\| {{nbt\|bool}} <code>SIMULATE_LIBRARY_LOAD_FAILURE</code>
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	Press {{keys\|\|F3}}+{{keys\|R}} to reset the feature placement counts.		Press {{keys\|\|F3}}+{{keys\|R}} to reset the feature placement counts.
	\|-		\|-
	\| {{nbt\|bool}} <code>CALCULATE_SOLID</code>~~{{upcoming\|java 26.3}}~~		\| {{nbt\|bool}} <code>CALCULATE_SOLID</code>
	\| Prints a report of which blocks are [[Minecraft:Solid_block\|solid]] or non-solid to debug logs, along with the reason each block was marked solid or non-solid. If the game marks a block as solid but later switches to non-solid or vice versa (due to a block's possible [[Minecraft:block states]] having conflicting properties), a message is printed to debug logs.		\| Prints a report of which blocks are [[Minecraft:Solid_block\|solid]] or non-solid to debug logs, along with the reason each block was marked solid or non-solid. If the game marks a block as solid but later switches to non-solid or vice versa (due to a block's possible [[Minecraft:block states]] having conflicting properties), a message is printed to debug logs.
	\|-		\|-
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	\| Disables sending any telemetry to Mojang servers when the game is run in an IDE. Has no effect in the vanilla game.		\| Disables sending any telemetry to Mojang servers when the game is run in an IDE. Has no effect in the vanilla game.
	\|-		\|-
	\| {{nbt\|bool}} <code>ENABLE_FARLANDS</code>~~{{Upcoming\|java 26.3}}~~		\| {{nbt\|bool}} <code>ENABLE_FARLANDS</code>
	\|		\|
	{{main\|Far Lands (Java Edition)#In 26.3 (debug)}}		{{main\|Far Lands (Java Edition)#In 26.3 (debug)}}
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	\|{{HistoryLine\|\|\|dev=snap8\|Renamed the <code>DEBUG_CHAT_FRIENDS_ONLY</code> debug property to <code>CHAT_FRIENDS_ONLY</code>.}}		\|{{HistoryLine\|\|\|dev=snap8\|Renamed the <code>DEBUG_CHAT_FRIENDS_ONLY</code> debug property to <code>CHAT_FRIENDS_ONLY</code>.}}
	\|{{HistoryLine\|\|\|dev=pre1\|Removed the <code>NATIVE_WEBRTC_LOGS</code> debug property.}}		\|{{HistoryLine\|\|\|dev=pre1\|Removed the <code>NATIVE_WEBRTC_LOGS</code> debug property.}}
	~~\|{{HistoryLine\|upcoming java}}~~
	\|{{HistoryLine\|\|26.3\|dev=snap1\|Added the <code>CALCULATE_SOLID</code> debug property.}}		\|{{HistoryLine\|\|26.3\|dev=snap1\|Added the <code>CALCULATE_SOLID</code> debug property.}}
	\|{{HistoryLine\|\|\|dev=snap2\|Removed the <code>CARVERS</code> debug property.}}		\|{{HistoryLine\|\|\|dev=snap2\|Removed the <code>CARVERS</code> debug property.}}
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	\| style="text-align:center" \| [[Minecraft:Java Edition 26.2 Snapshot 7\|26.2 Snapshot 7]]		\| style="text-align:center" \| [[Minecraft:Java Edition 26.2 Snapshot 7\|26.2 Snapshot 7]]
	\| style="text-align:center" \| [[Minecraft:Java Edition 26.2 Pre-Release 1\|26.2 Pre-Release 1]]		\| style="text-align:center" \| [[Minecraft:Java Edition 26.2 Pre-Release 1\|26.2 Pre-Release 1]]
			\|-
			\| {{nbt\|bool}} <code>CARVERS</code>
			\| Enables <code>debug_mode</code> for all [[Minecraft:Carver definition\|cave carvers]]. For vanilla worldgen:
			* Fills the area carved with crimson buttons (cave carvers), oak buttons ("extra underground" cave carvers), or warped buttons (canyon carvers).
			* Places candles in water.
			* Replaces lava with orange stained glass.
			* Places glass on the barrier between aquifers and the carved area.
			\| style="text-align:center" \| [[Minecraft:Java Edition 25w37a\|25w37a]]
			\| style="text-align:center" \| [[Minecraft:Java Edition 26.3 Snapshot 2\|26.3 Snapshot 2]]
			\|-
			\| {{nbt\|bool}} <code>PREFER_WAYLAND</code>
			\| On Linux, when both [[Minecraft:w:X Window System\|X11]] and [[Minecraft:w:Wayland_(protocol)\|Wayland]] are available, prefer Wayland instead of X11.
			\| style="text-align:center" \| [[Minecraft:Java Edition 26.1 Snapshot 8\|26.1 Snapshot 8]]
			\| style="text-align:center" \| [[Minecraft:Java Edition 26.3 Snapshot 4\|26.3 Snapshot 4]]
	\|}		\|}

SyncBot: Sync: updated from Minecraft

2026-09-06T11:09:21Z

Sync: updated from Minecraft

← Older revision		Revision as of 11:09, 6 September 2026
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	\|-		\|-
	\| {{nbt\|bool}} <code>ENABLE_FARLANDS</code>{{Upcoming\|java 26.3}}		\| {{nbt\|bool}} <code>ENABLE_FARLANDS</code>{{Upcoming\|java 26.3}}
	\| Disables the [[Minecraft:Far Lands]] fix from Beta 1.8. ~~They appear at ±2812331 on the X or Z axis.{{more information needed\|What effect does this actually have?}}~~		\|
			{{main\|Far Lands (Java Edition)#In 26.3 (debug)}}
			Disables the [[Minecraft:Far Lands]] fix from Beta 1.8.
	\|}		\|}

SyncBot: Sync: updated from Minecraft

2026-09-05T11:08:20Z

Sync: updated from Minecraft

@@ Line 318: / Line 318: @@
 === Removed debug properties ===
-{{section needed|CARVERS and PREFER_WAYLAND should be moved here when 26.3 comes out}}
+{| class="wikitable sortable"
 == Issues ==

SyncBot: Sync: updated from Minecraft

2026-09-04T11:04:30Z

Sync: updated from Minecraft

← Older revision		Revision as of 11:04, 4 September 2026
Line 318:		Line 318:

	=== Removed debug properties ===		=== Removed debug properties ===
	{{section needed}}		{{section needed\|CARVERS and PREFER_WAYLAND should be moved here when 26.3 comes out}}

	== Issues ==		== Issues ==

SyncBot: Sync: updated from Minecraft

2026-09-03T11:07:06Z

Sync: updated from Minecraft

← Older revision		Revision as of 11:07, 3 September 2026
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	[[Minecraft:de:Debug-Funktion]]		[[Minecraft:de:Debug-Funktion]]
			[[Minecraft:pt:Propriedade de depuração]]
	[[Minecraft:zh:调试工具]]		[[Minecraft:zh:调试工具]]

SyncBot: Sync: updated from Minecraft

2026-09-02T11:09:34Z

Sync: updated from Minecraft

← Older revision		Revision as of 11:09, 2 September 2026
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	\| {{nbt\|bool}} <code>DONT_SEND_TELEMETRY_TO_BACKEND</code>		\| {{nbt\|bool}} <code>DONT_SEND_TELEMETRY_TO_BACKEND</code>
	\| Disables sending any telemetry to Mojang servers when the game is run in an IDE. Has no effect in the vanilla game.		\| Disables sending any telemetry to Mojang servers when the game is run in an IDE. Has no effect in the vanilla game.
			\|-
			\| {{nbt\|bool}} <code>ENABLE_FARLANDS</code>{{Upcoming\|java 26.3}}
			\| Disables the [[Minecraft:Far Lands]] fix from Beta 1.8. They appear at ±2812331 on the X or Z axis.{{more information needed\|What effect does this actually have?}}
	\|}		\|}

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	\|{{HistoryLine\|\|\|dev=snap2\|Removed the <code>CARVERS</code> debug property.}}		\|{{HistoryLine\|\|\|dev=snap2\|Removed the <code>CARVERS</code> debug property.}}
	\|{{HistoryLine\|\|\|dev=snap4\|Removed the <code>PREFER_WAYLAND</code> debug property.}}		\|{{HistoryLine\|\|\|dev=snap4\|Removed the <code>PREFER_WAYLAND</code> debug property.}}
			\|{{HistoryLine\|\|\|dev=pre1\|Added the <code>ENABLE_FARLANDS</code> debug property.}}
	}}		}}

← Older revision		Revision as of 11:18, 23 September 2026
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	* Places creeper heads in the empty space between the stalactite and the stalagmite.		* Places creeper heads in the empty space between the stalactite and the stalagmite.
	\|-		\|-
	\| {{nbt\|bool}} <code>ORE_VEINS</code>		\| {{nbt\|bool}} <code>ORE_VEINS</code>{{until\|je 26.4}}
	\| Generates oak buttons instead of the filler blocks when generating [[Minecraft:ore veins]]. No other blocks are generated other than structures and bodies of water and lava.		\| Generates oak buttons instead of the filler blocks when generating [[Minecraft:ore veins]]. No other blocks are generated other than structures and bodies of water and lava.
	\|-		\|-
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	\| Disables the flowing of [[Minecraft:liquid]]s.		\| Disables the flowing of [[Minecraft:liquid]]s.
	\|-		\|-
	\| {{nbt\|bool}} <code>AQUIFERS</code>		\| {{nbt\|bool}} <code>AQUIFERS</code>{{until\|je 26.4}}
	\| At positive Z coordinates, places strips of slime blocks (below sea level) and honey blocks (above sea level) marking the position 8 blocks above the preliminary surface height.		\| At positive Z coordinates, places strips of slime blocks (below sea level) and honey blocks (above sea level) marking the position 8 blocks above the preliminary surface height.
	\|-		\|-
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	\| Disables [[Minecraft:feature]] generation. [[Minecraft:Explorer maps]] will not try to find nearby structures.		\| Disables [[Minecraft:feature]] generation. [[Minecraft:Explorer maps]] will not try to find nearby structures.
	\|-		\|-
	\| {{nbt\|bool}} <code>DISABLE_ORE_VEINS</code>		\| {{nbt\|bool}} <code>DISABLE_ORE_VEINS</code>{{until\|je 26.4}}
	\| Disables [[Minecraft:ore vein]] generation.		\| Disables [[Minecraft:ore vein]] generation.
	\|-		\|-
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	\|{{HistoryLine\|\|\|dev=snap4\|Removed the <code>PREFER_WAYLAND</code> debug property.}}		\|{{HistoryLine\|\|\|dev=snap4\|Removed the <code>PREFER_WAYLAND</code> debug property.}}
	\|{{HistoryLine\|\|\|dev=pre1\|Added the <code>ENABLE_FARLANDS</code> debug property.}}		\|{{HistoryLine\|\|\|dev=pre1\|Added the <code>ENABLE_FARLANDS</code> debug property.}}
			\|{{HistoryLine\|java upcoming}}
			\|{{HistoryLine\|\|26.4\|dev=snap1\|Removed the <code>ORE_VEINS</code>, <code>AQUIFERS</code>, and <code>DISABLE_ORE_VEINS</code> debug properties.}}
	}}		}}