Packet 315

ServerboundDiagnosticsPacket

Sent from the client to the server IF ProfilerLite is enabled AND the creator toggle for additional client telemetry is enabled AND new telemetry data is ready (every 500 ms).

Packet datagramWire order

HeaderID 315varuint

0AvgFpsfloat · 4 bytes

1AvgServerSimTickTimeMSfloat · 4 bytes

2AvgClientSimTickTimeMSfloat · 4 bytes

3AvgBeginFrameTimeMSfloat · 4 bytes

4AvgInputTimeMSfloat · 4 bytes

5AvgRenderTimeMSfloat · 4 bytes

6AvgEndFrameTimeMSfloat · 4 bytes

7AvgRemainderTimePercentfloat · 4 bytes

8AvgUnaccountedTimePercentfloat · 4 bytes

9Memory Category Valuesarray<MemoryCategoryCounter> · variable

10Entity Diagnosticsarray<EntityDiagnosticTimingInfo> · variable

11System Diagnosticsarray<SystemDiagnosticTimingInfo> · variable

12System Categoriesarray<SystemCategory> · variable

13Whisker Scopesarray<WhiskerScopeDataSummary> · variable

Serialized fields

14 top-level fields

0AvgFpsfloat
1AvgServerSimTickTimeMSfloat
2AvgClientSimTickTimeMSfloat
3AvgBeginFrameTimeMSfloat
4AvgInputTimeMSfloat
5AvgRenderTimeMSfloat
6AvgEndFrameTimeMSfloat
7AvgRemainderTimePercentfloat
8AvgUnaccountedTimePercentfloat
9Memory Category ValuesMemoryCategoryCounteras array<MemoryCategoryCounter>
1. 0CategoryEnum-as-ValueMemory::MemoryCategoryas uint8
  0Unknown
  1Invalid_SizeUnknown
  2Actor
  3ActorAnimation
  4ActorRendering
  5BlockTickingQueues
  6Biome_Storage
  7Blobs
  8Cereal
  9CircuitSystem
  10Client
  11Commands
  12DBStorage
  13Debug
  14Documentation
  15ECSSystems
  16FMOD
  17Fonts
  18ImGui
  19Input
  20JsonUI
  21JsonUI_ControlFactory_Json
  22JsonUI_ControlTree
  23JsonUI_ControlTree_ControlElement
  24JsonUI_ControlTree_PopulateDataBinding
  25JsonUI_ControlTree_PopulateFocus
  26JsonUI_ControlTree_PopulateLayout
  27JsonUI_ControlTree_PopulateOther
  28JsonUI_ControlTree_PopulateSprite
  29JsonUI_ControlTree_PopulateText
  30JsonUI_ControlTree_PopulateTTS
  31JsonUI_ControlTree_Visibility
  32JsonUI_CreateUI
  33JsonUI_Defs
  34JsonUI_LayoutManager
  35JsonUI_LayoutManager_RemoveDependencies
  36JsonUI_LayoutManager_InitVariable
  37Languages
  38Level
  39LevelStructures
  40LevelChunk
  41LevelChunkGen
  42LevelChunkGenThreadLocal
  43LightVolumeManager
  44Network
  45Marketplace
  46Material_DragonCompiledDefinition
  47Material_DragonMaterial
  48Material_DragonResource
  49Material_DragonUniformMap
  50Material_RenderMaterial
  51Material_RenderMaterialGroup
  52Material_VariationManager
  53Molang
  54OreUI
  55OreUI_Client
  56Persona_Pieces
  57Persona_Animations
  58Persona_Characters
  59Persona_SkinPacks
  60Persona_Repo
  61Player
  62RenderChunk
  63RenderChunk_IndexBuffer
  64RenderChunk_VertexBuffer
  65Rendering
  66Rendering_BgfxInit
  67Rendering_BgfxStartFrame
  68Rendering_BlockTessellator
  69Rendering_EndFrame
  70Rendering_GraphicsTasksInit
  71Rendering_Library
  72Rendering_PolygonOperatorPool
  73Rendering_PBRTextureData
  74Rendering_RenderRegistry
  75Rendering_Setup
  76Rendering_Vertices
  77RequestLog
  78ResourcePacks
  79Sound
  80SubChunk_BiomeData
  81SubChunk_BlockData
  82SubChunk_LightData
  83Textures
  84WeatherRenderer
  85World_Generator
  86Tasks
  87Test
  88Test_LoadTestTags
  89Scripting
  90Scripting_Runtime
  91Scripting_Context
  92Scripting_Context_Bindings_MC
  93Scripting_Context_Bindings_GT
  94Scripting_Context_Run
  95DataDrivenUI
  96DataDrivenUI_Defs
  97Gameface
  98Gameface_System
  99Gameface_DOM
  100Gameface_CSS
  101Gameface_Display
  102Gameface_TempAllocator
  103Gameface_PoolAllocator
  104Gameface_Dump
  105Gameface_Media
  106Gameface_JSON
  107Gameface_ScriptEngine
  108Gameface_Script
  109Gameface_Layout
2. 1Current Bytesuint64
10Entity DiagnosticsEntityDiagnosticTimingInfoas array<EntityDiagnosticTimingInfo>
1. 0Display Namestring
2. 1Entitystring
3. 2Time in NSuint64
4. 3Percent of Totaluint8
5. 4PositionVec3
  0Xfloat
  1Yfloat
  2Zfloat
6. 5Dimensionstring
11System DiagnosticsSystemDiagnosticTimingInfoas array<SystemDiagnosticTimingInfo>
1. 0Display Namestring
2. 1System Indexuint64
3. 2Time in NSuint64
4. 3Percent of Totaluint8
12System CategoriesSystemCategoryas array<SystemCategory>
1. 0Category Namestring
2. 1System Indexuint64
13Whisker ScopesWhiskerScopeDataSummaryas array<WhiskerScopeDataSummary>
1. 0Labelstring
2. 1Indentationstring
3. 2TotalHighCostNSuint64
4. 3TotalMidCostNSuint64
5. 4TotalLowCostNSuint64

Changelog

Stable releases

Changes between stable protocol releases.

1.26.50

Released: 2026-09-15
Protocol: 2193

Packet

1 entry

Changed 1

ServerboundDiagnosticsPacket55 changes · ID 315

Changed supporting type EntityDiagnosticTimingInfo: Added field Position (type Vec3).
Changed supporting type EntityDiagnosticTimingInfo: Added field Dimension (type string).
Changed supporting type Memory::MemoryCategory: Changed enum value Persona_Characters from 59 to 58.
Changed supporting type Memory::MemoryCategory: Changed enum value Persona_SkinPacks from 60 to 59.
Changed supporting type Memory::MemoryCategory: Changed enum value Persona_Repo from 61 to 60.
Changed supporting type Memory::MemoryCategory: Changed enum value Player from 62 to 61.
Changed supporting type Memory::MemoryCategory: Changed enum value RenderChunk from 63 to 62.
Changed supporting type Memory::MemoryCategory: Changed enum value RenderChunk_IndexBuffer from 64 to 63.
Changed supporting type Memory::MemoryCategory: Changed enum value RenderChunk_VertexBuffer from 65 to 64.
Changed supporting type Memory::MemoryCategory: Changed enum value Rendering from 66 to 65.
Changed supporting type Memory::MemoryCategory: Changed enum value Rendering_BgfxInit from 67 to 66.
Changed supporting type Memory::MemoryCategory: Changed enum value Rendering_BgfxStartFrame from 68 to 67.
Changed supporting type Memory::MemoryCategory: Changed enum value Rendering_BlockTessellator from 69 to 68.
Changed supporting type Memory::MemoryCategory: Changed enum value Rendering_EndFrame from 70 to 69.
Changed supporting type Memory::MemoryCategory: Changed enum value Rendering_GraphicsTasksInit from 71 to 70.
Changed supporting type Memory::MemoryCategory: Changed enum value Rendering_Library from 72 to 71.
Changed supporting type Memory::MemoryCategory: Changed enum value Rendering_PolygonOperatorPool from 73 to 72.
Changed supporting type Memory::MemoryCategory: Changed enum value Rendering_PBRTextureData from 74 to 73.
Changed supporting type Memory::MemoryCategory: Changed enum value Rendering_RenderRegistry from 75 to 74.
Changed supporting type Memory::MemoryCategory: Changed enum value Rendering_Setup from 76 to 75.
Changed supporting type Memory::MemoryCategory: Changed enum value Rendering_Vertices from 77 to 76.
Changed supporting type Memory::MemoryCategory: Changed enum value RequestLog from 78 to 77.
Changed supporting type Memory::MemoryCategory: Changed enum value ResourcePacks from 79 to 78.
Changed supporting type Memory::MemoryCategory: Changed enum value Sound from 80 to 79.
Changed supporting type Memory::MemoryCategory: Changed enum value SubChunk_BiomeData from 81 to 80.
Changed supporting type Memory::MemoryCategory: Changed enum value SubChunk_BlockData from 82 to 81.
Changed supporting type Memory::MemoryCategory: Changed enum value SubChunk_LightData from 83 to 82.
Changed supporting type Memory::MemoryCategory: Changed enum value Textures from 84 to 83.
Changed supporting type Memory::MemoryCategory: Changed enum value WeatherRenderer from 85 to 84.
Changed supporting type Memory::MemoryCategory: Changed enum value World_Generator from 86 to 85.
Changed supporting type Memory::MemoryCategory: Changed enum value Tasks from 87 to 86.
Changed supporting type Memory::MemoryCategory: Changed enum value Test from 88 to 87.
Changed supporting type Memory::MemoryCategory: Changed enum value Test_LoadTestTags from 89 to 88.
Changed supporting type Memory::MemoryCategory: Changed enum value Scripting from 90 to 89.
Changed supporting type Memory::MemoryCategory: Changed enum value Scripting_Runtime from 91 to 90.
Changed supporting type Memory::MemoryCategory: Changed enum value Scripting_Context from 92 to 91.
Changed supporting type Memory::MemoryCategory: Changed enum value Scripting_Context_Bindings_MC from 93 to 92.
Changed supporting type Memory::MemoryCategory: Changed enum value Scripting_Context_Bindings_GT from 94 to 93.
Changed supporting type Memory::MemoryCategory: Changed enum value Scripting_Context_Run from 95 to 94.
Changed supporting type Memory::MemoryCategory: Changed enum value DataDrivenUI from 96 to 95.
Changed supporting type Memory::MemoryCategory: Changed enum value DataDrivenUI_Defs from 97 to 96.
Changed supporting type Memory::MemoryCategory: Changed enum value Gameface from 98 to 97.
Changed supporting type Memory::MemoryCategory: Changed enum value Gameface_System from 99 to 98.
Changed supporting type Memory::MemoryCategory: Changed enum value Gameface_DOM from 100 to 99.
Changed supporting type Memory::MemoryCategory: Changed enum value Gameface_CSS from 101 to 100.
Changed supporting type Memory::MemoryCategory: Changed enum value Gameface_Display from 102 to 101.
Changed supporting type Memory::MemoryCategory: Changed enum value Gameface_TempAllocator from 103 to 102.
Changed supporting type Memory::MemoryCategory: Changed enum value Gameface_PoolAllocator from 104 to 103.
Changed supporting type Memory::MemoryCategory: Changed enum value Gameface_Dump from 105 to 104.
Changed supporting type Memory::MemoryCategory: Changed enum value Gameface_Media from 106 to 105.
Changed supporting type Memory::MemoryCategory: Changed enum value Gameface_JSON from 107 to 106.
Changed supporting type Memory::MemoryCategory: Changed enum value Gameface_ScriptEngine from 108 to 107.
Changed supporting type Memory::MemoryCategory: Changed enum value Gameface_Script from 109 to 108.
Changed supporting type Memory::MemoryCategory: Changed enum value Gameface_Layout from 110 to 109.
Changed supporting type Memory::MemoryCategory: Removed enum value Persona_Textures with value 58.

All builds

Changes between consecutive stable releases and preview builds.

1.26.60-preview.21

Released: 2026-09-02
Protocol: 2207
Previous build: 1.26.51

Packet

1 entry

Changed 1

ServerboundDiagnosticsPacket4 changes · ID 315

System Categories is now optional.
Changed supporting type EntityDiagnosticTimingInfo: Position is now optional.
Changed supporting type EntityDiagnosticTimingInfo: Dimension is now optional.
Changed supporting type Memory::MemoryCategory: Added enum value Executable with value 110.

1.26.50-preview.24

Released: 2026-08-21
Protocol: 2181
Previous build: 1.26.50-preview.22

Packet

1 entry

Changed 1

ServerboundDiagnosticsPacket53 changes · ID 315

Changed supporting type Memory::MemoryCategory: Changed enum value Persona_Characters from 59 to 58.
Changed supporting type Memory::MemoryCategory: Changed enum value Persona_SkinPacks from 60 to 59.
Changed supporting type Memory::MemoryCategory: Changed enum value Persona_Repo from 61 to 60.
Changed supporting type Memory::MemoryCategory: Changed enum value Player from 62 to 61.
Changed supporting type Memory::MemoryCategory: Changed enum value RenderChunk from 63 to 62.
Changed supporting type Memory::MemoryCategory: Changed enum value RenderChunk_IndexBuffer from 64 to 63.
Changed supporting type Memory::MemoryCategory: Changed enum value RenderChunk_VertexBuffer from 65 to 64.
Changed supporting type Memory::MemoryCategory: Changed enum value Rendering from 66 to 65.
Changed supporting type Memory::MemoryCategory: Changed enum value Rendering_BgfxInit from 67 to 66.
Changed supporting type Memory::MemoryCategory: Changed enum value Rendering_BgfxStartFrame from 68 to 67.
Changed supporting type Memory::MemoryCategory: Changed enum value Rendering_BlockTessellator from 69 to 68.
Changed supporting type Memory::MemoryCategory: Changed enum value Rendering_EndFrame from 70 to 69.
Changed supporting type Memory::MemoryCategory: Changed enum value Rendering_GraphicsTasksInit from 71 to 70.
Changed supporting type Memory::MemoryCategory: Changed enum value Rendering_Library from 72 to 71.
Changed supporting type Memory::MemoryCategory: Changed enum value Rendering_PolygonOperatorPool from 73 to 72.
Changed supporting type Memory::MemoryCategory: Changed enum value Rendering_PBRTextureData from 74 to 73.
Changed supporting type Memory::MemoryCategory: Changed enum value Rendering_RenderRegistry from 75 to 74.
Changed supporting type Memory::MemoryCategory: Changed enum value Rendering_Setup from 76 to 75.
Changed supporting type Memory::MemoryCategory: Changed enum value Rendering_Vertices from 77 to 76.
Changed supporting type Memory::MemoryCategory: Changed enum value RequestLog from 78 to 77.
Changed supporting type Memory::MemoryCategory: Changed enum value ResourcePacks from 79 to 78.
Changed supporting type Memory::MemoryCategory: Changed enum value Sound from 80 to 79.
Changed supporting type Memory::MemoryCategory: Changed enum value SubChunk_BiomeData from 81 to 80.
Changed supporting type Memory::MemoryCategory: Changed enum value SubChunk_BlockData from 82 to 81.
Changed supporting type Memory::MemoryCategory: Changed enum value SubChunk_LightData from 83 to 82.
Changed supporting type Memory::MemoryCategory: Changed enum value Textures from 84 to 83.
Changed supporting type Memory::MemoryCategory: Changed enum value WeatherRenderer from 85 to 84.
Changed supporting type Memory::MemoryCategory: Changed enum value World_Generator from 86 to 85.
Changed supporting type Memory::MemoryCategory: Changed enum value Tasks from 87 to 86.
Changed supporting type Memory::MemoryCategory: Changed enum value Test from 88 to 87.
Changed supporting type Memory::MemoryCategory: Changed enum value Test_LoadTestTags from 89 to 88.
Changed supporting type Memory::MemoryCategory: Changed enum value Scripting from 90 to 89.
Changed supporting type Memory::MemoryCategory: Changed enum value Scripting_Runtime from 91 to 90.
Changed supporting type Memory::MemoryCategory: Changed enum value Scripting_Context from 92 to 91.
Changed supporting type Memory::MemoryCategory: Changed enum value Scripting_Context_Bindings_MC from 93 to 92.
Changed supporting type Memory::MemoryCategory: Changed enum value Scripting_Context_Bindings_GT from 94 to 93.
Changed supporting type Memory::MemoryCategory: Changed enum value Scripting_Context_Run from 95 to 94.
Changed supporting type Memory::MemoryCategory: Changed enum value DataDrivenUI from 96 to 95.
Changed supporting type Memory::MemoryCategory: Changed enum value DataDrivenUI_Defs from 97 to 96.
Changed supporting type Memory::MemoryCategory: Changed enum value Gameface from 98 to 97.
Changed supporting type Memory::MemoryCategory: Changed enum value Gameface_System from 99 to 98.
Changed supporting type Memory::MemoryCategory: Changed enum value Gameface_DOM from 100 to 99.
Changed supporting type Memory::MemoryCategory: Changed enum value Gameface_CSS from 101 to 100.
Changed supporting type Memory::MemoryCategory: Changed enum value Gameface_Display from 102 to 101.
Changed supporting type Memory::MemoryCategory: Changed enum value Gameface_TempAllocator from 103 to 102.
Changed supporting type Memory::MemoryCategory: Changed enum value Gameface_PoolAllocator from 104 to 103.
Changed supporting type Memory::MemoryCategory: Changed enum value Gameface_Dump from 105 to 104.
Changed supporting type Memory::MemoryCategory: Changed enum value Gameface_Media from 106 to 105.
Changed supporting type Memory::MemoryCategory: Changed enum value Gameface_JSON from 107 to 106.
Changed supporting type Memory::MemoryCategory: Changed enum value Gameface_ScriptEngine from 108 to 107.
Changed supporting type Memory::MemoryCategory: Changed enum value Gameface_Script from 109 to 108.
Changed supporting type Memory::MemoryCategory: Changed enum value Gameface_Layout from 110 to 109.
Changed supporting type Memory::MemoryCategory: Removed enum value Persona_Textures with value 58.

1.26.50-preview.22

Released: 2026-08-21
Protocol: 2177
Previous build: 1.26.45

Packet

1 entry

Changed 1

ServerboundDiagnosticsPacket2 changes · ID 315

Changed supporting type EntityDiagnosticTimingInfo: Added field Position (type Vec3).
Changed supporting type EntityDiagnosticTimingInfo: Added field Dimension (type string).