Submodule reference

You can strip the following submodules from your project using the Web Stripping Tool package.

To learn what submodules you might want to strip from your project, refer to Identify unused submodules.

To learn the difference between modules and submodules, refer to Understand submodules.

Submodule name		Purpose
2D Rendering		Provides support for 2D sprite rendering. Automatically includes all 2D rendering submodules.
	2D Rendering Common	Common components for 2D rendering.
	2D Rendering Renderer	Sprite Renderer Implementation
	2D Rendering Sorting	Sprite Sorting
	2D Rendering Sprite Atlas	Sprite Atlas
	2D Rendering Sprite Tiling	Sprite Tiling
Advanced Text Generator Support		Advanced Text Generator is a text rendering module that employs Harfbuzz, ICU, and FreeType to deliver comprehensive Unicode support and text shaping capabilities. With Advanced Text Generator, you can use a wide array of languages and scripts, such as right-to-left (RTL) languages like Arabic and Hebrew.
	HarfBuzz	HarfBuzz text shaping engine.
	ICU	International Components for Unicode.
	TextCoreTextEngine	Text engine that provides comprehensive Unicode support and text shaping capabilities.
WebGPU Support		Provides support for using the WebGPU graphics API. Automatically includes: Compute Shader Support
	Compute Shader Support	Provides support for compute shaders.
WebGL Support		Provides support for using the WebGL graphics API.
Unity UI		Provides support for the Unity UI framework.
IMGUI		Provides support for the IMGUI UI framework.
UI Toolkit Framework		UI toolkit is a collection of features, resources, and tools for developing user interface (UI).
	UI Toolkit	Provides support for the UI toolkit.
	UI Toolkit Visual Elements	Various UI Elements of UI toolkit.
Text Rendering		Provides support for rendering high-quality text in a Unity project.
Texture Decompression		Provides support for decompressing textures on the fly. You do not need this submodule if textures are already compressed in the correct format. Automatically includes texture decompression for DXT, BC, ETC and ASTC format.
	Texture Decompression DXT	Provides support for DXT decompression. You do not need this submodule if textures are already compressed in the correct format.
	Texture Decompression BC	Provides support for BC decompression. You do not need this submodule if textures are already compressed in the correct format.
	Texture Decompression ETC	Provides support for ETC/ETC2 decompression. You do not need this submodule if textures are already compressed in the correct format.
	Texture Decompression ASTC	Provides support for ASTC decompression. You do not need this submodule if textures are already compressed in the correct format.
Texture Decompression Crunch		Provides support for crunch compression. You do not need this submodule if crunch texture compression is not used.
TextCoreFontEngine		A font rendering engine developed by Unity that is used by TextMeshPro to render high-quality text in Unity projects. This submodule contains files that are safe to strip even if you are using Unity’s TextCoreFontEngine.
XR		Provides support for XR functionality.
Mesh Features		Various features related to UnityEngine.Mesh. Automatically includes all Mesh-related submodules.
	Mesh Advanced Editing API	Advanced C# API for manipulating meshes.
	Mesh Optimizer	Provides support for optimizing meshes.
	Mesh Combiner	Provides support for batch rendering of meshes and combining meshes.
	Mesh Compression	Provides support for compressing and decompressing mesh data.
	Mesh Blend Shapes	Provides support for using blend shapes in skinned meshes.
	Mesh Recalculate Bounds API	C# API for updating bounds of a mesh.
	Mesh Recalculate Normals API	C# API for recalculating normals of a mesh.
	Mesh Sprite Rendering	Provides support for rendering sprite meshes.
	Mesh Script Bindings	Provides support for accessing and manipulating meshes through UnityEngine.Mesh C# API.
	Mesh Async Upload	Provides support for uploading mesh data to the GPU asynchronously.
	Mesh Skinning	Provides rendering support for skinned meshes.
Newtonsoft Json.NET		Newtonsoft's Json.NET framework, version 13.0.2.
	Newtonsoft.Json	The Newtonsoft.Json namespace provides classes that are used to implement the core services of the framework.
	Newtonsoft.Json.Bson	The Newtonsoft.Json.Bson namespace provides classes that are used to implement BSON.
	Newtonsoft.Json.Converters	The Newtonsoft.Json.Converters namespace provides classes that inherit from JsonConverter.
	Newtonsoft.Json.Linq	The Newtonsoft.Json.Linq namespace provides classes that are used to implement LINQ to JSON.
	Newtonsoft.Json.Schema	The Newtonsoft.Json.Schema namespace provides classes that are used to implement JSON schema.
	Newtonsoft.Json.Serialization	The Newtonsoft.Json.Serialization namespace provides classes that are used when serializing and deserializing JSON.
ParticleSystem		Built-in particle system. Automatically includes all ParticleSystem submodules.
	ParticleSystem Core	Built-in particle system core.
	ParticleSystem Script Bindings	Support for interacting with built-in particle system using C# API.
	ParticleSystem Renderer	Built-in particle system renderer
	ParticleSystem Events	Built-in particle system collision events
	ParticleSystem Utils	Built-in particle system utility classes
	ParticleSystem Curves	Built-in particle system curves
	ParticleSystem Gradients	Gradient math library for the built-in particle system
	ParticleSystem Geometry Jobs	Jobs for built-in particle system geometry generation.
	ParticleSystem Modules	Built-in particle system modules. Automatically includes all ParticleSystem modules.
	ParticleSystem Limit Velocity Module	Limits velocity over time.
	ParticleSystem Collision Module	Controls the collision of particles with GameObjects.
	ParticleSystem Color by Speed Module	Sets particle color depending on speed.
	ParticleSystem Color Module	Sets particle color.
	ParticleSystem Custom Data Module	Sets custom particle data.
	ParticleSystem Emission Module	Sets the rate and timing of particle system emissions.
	ParticleSystem External Forces Module	Controls wind zones and particle system force fields.
	ParticleSystem Force over Lifetime Module	Controls forces acting on the particle.
	ParticleSystem Inherit Velocity Module	Controls the velocity of particles emitted by sub-emitter particles.
	ParticleSystem Initial Module	Controls global properties that affect the whole system.
	ParticleSystem Lifetime by Emitter Speed Module	Controls particle lifetime depending on the emitter speed.
	ParticleSystem Lights Module	Adds real-time lights to particles.
	ParticleSystem Noise Module	Adds turbulence to particle movement.
	ParticleSystem Base Module	The base class for Particle System modules.
	ParticleSystem Rotation By Speed Module	Controls particle rotation depending on speed.
	ParticleSystem Rotation Module	Controls particle rotation.
	ParticleSystem Shape Module	Controls the shape of the particle system emitter.
	ParticleSystem Size By Speed Module	Controls particle size by speed.
	ParticleSystem Size over Lifetime Module	Controls particle size over its lifetime.
	ParticleSystem Sub Emitters Module	Allows particles to also emit new particles.
	ParticleSystem Trails Module	Adds particle trails.
	ParticleSystem Triggers Module	Modifies particles based on interaction with colliders.
	ParticleSystem Texture Sheet Animation Module	Adds texture animation to a particle.
TetGen		Tetrahedral Mesh Generator and 3D Delaunay Triangulator library. This submodule is a dependency of light probes.
ArticulationBody		The ArticulationBody component used in Unity’s 3D physics system.
Freetype2		Freetype2 font library that is used by the legacy text renderer. Automatically includes all Freetype2 submodules.
	Freetype2 Base	This submodule contains features of the FreeType2 font library.
	Freetype2 CFF	Provides support for loading CFF (Compact Font Format) fonts.
	Freetype2 OpenType Validation	Provides support for OpenType validation in FreeType2.
	Freetype2 Postscript	Provides support for FreeType2’s PostScript driver.
	Freetype2 Raster	Provides support for FreeType2's monochrome rasterizer.
	Freetype2 SDF	Provides support for signed distance field rasterizer in FreeType2.
	Freetype2 SFNT	Provides support for SFNT (Scalable Font) font files in FreeType2.
	Freetype2 Smooth	Provides support for anti-aliasing rasterizer in FreeType2.
	Freetype2 TrueType	Provides support for TrueType font files in FreeType2.
Misc. Animation		Submodule contains miscellaneous animation files.
GPU Instancing		Support for GPU Instancing: a draw call optimization for objects that share the same mesh and material.
System.Xml		Provides standards-based support for processing XML using the .NET APIs.
System.Data		Provides access to classes that represent the ADO.NET API.
System.Net		Provides access to classes for network protocols.
System.Security		Provides access to the common language security system.
System.Linq		Provides support for Language-Integrated Query (LINQ).
	System.Linq Core	Provides core functionality for Language-Integrated Query (LINQ).
	System.Linq Expressions	Provides support for representing language-level code expressions as expression trees.
System.ComponentModel		Provides functionality for the .NET Component Model.
	System.ComponentModel Core	Provides the core functionality for the .NET Component Model. This submodule contains the specific classes required by the Newtonsoft.Json library.
	System.ComponentModel Extra	Provides all remaining functionality from the .NET Component Model not included in System.ComponentModel Core. This submodule can be safely stripped if your project's dependencies only require the Core components.