# Unity 6.3 User Manual > Documentation for the Unity Engine, including workflows related to creating your application in the Unity Editor and its supported packages. [Unity 6.3](https://unity.com/download) is the latest long-term support (LTS) release of the next generation of the Unity Engine. It combines the latest technologies and tools to deliver high-quality, high-performance experiences for all supported platforms. For more information about new features and how to upgrade your existing projects to this version, refer to the following: * [New in Unity](/engine/6000.3/manual/whats-new.md) * [Upgrade Unity](/engine/6000.3/manual/upgrade-guides.md) ## Highlights of Unity 6 Explore the key features and updates introduced in the Unity 6 family of releases. [Boost rendering performance](/engine/6000.3/manual/render-pipelines.md): Elevate your scenes with scalable, captivating visuals using the latest advances in [rendering](/engine/6000.3/manual/render-pipelines.md), [lighting](/engine/6000.3/manual/lighting-overview.md), and [visual effects](/engine/6000.3/manual/visual-effects.md). [Multiplayer game creation](/engine/6000.3/manual/multiplayer.md): Simplify multiplayer game creation with Unity's [multiplayer packages and services](/engine/6000.3/manual/multiplayer.md). [Expand multiplatform reach](/engine/6000.3/manual/platform-specific.md): Build better experiences for mobile platforms, including a newly optimized runtime for mobile browsers, and get the latest [multiplatform advances](/engine/6000.3/manual/platform-specific.md) for all supported platforms. [Unlock possibilities with Unity AI](/engine/6000.3/manual/unity-ai.md): Accelerate creativity and development with AI tools for [code generation](https://docs.unity3d.com/Packages/com.unity.ai.assistant@latest), [asset creation](https://docs.unity3d.com/Packages/com.unity.ai.generators@latest), and [runtime inference](https://docs.unity3d.com/Packages/com.unity.ai.inference@latest), all integrated into the Unity Editor and Dashboard. [Achieve more engaging visuals](/engine/6000.3/manual/render-pipelines.md): Create more engaging visuals with the latest updates to [Lighting](/engine/6000.3/manual/lighting-overview.md), [Graphics performance and profiling](/engine/6000.3/manual/analysis/graphics-performance-profiling.md), [Shader Graph](https://docs.unity3d.com/Packages/com.unity.shadergraph@latest/), and [Visual Effect Graph](https://docs.unity3d.com/Packages/com.unity.visualeffectgraph@latest/). [Enhance productivity and functionality](https://unity.com/features/cinemachine): Improve productivity and functionality across your entire Unity development environment with better [profiling](/engine/6000.3/manual/analysis/performance-profiling-tools.md) options, [ProBuilder](https://docs.unity3d.com/Packages/com.unity.probuilder@latest/), [Cinemachine](https://docs.unity3d.com/Packages/com.unity.cinemachine@latest/), and [UI Toolkit](/engine/6000.3/manual/uitoolkits/uielements.md). ## Featured content Featured content of the Unity User Manual. [Unity AI](/engine/6000.3/manual/unity-ai.md): Create with AI-powered tools in the Unity Editor and Dashboard. Use Assistant for contextual help, Generators for asset creation, and Sentis to run models at runtime. [Animation](/engine/6000.3/manual/animation-section.md): Animation in the Unity Editor, including the avatar system, animation clips, and state machines. [Audio](/engine/6000.3/manual/audio.md): Audio in the Unity Editor, including clips, sources, listeners, importing and sound settings. [Unity Building Blocks](/engine/6000.3/manual/building-blocks.md): Add functional gameplay features that demonstrate Unity's best practices. [2D game development](/engine/6000.3/manual/unity2d.md): Unity Editor's 2D-specific features including gameplay, sprites, and physics. [Lighting](/engine/6000.3/manual/lighting-overview.md): Set up realistic or stylized lighting to apply for a range of art styles. [Multiplayer](/engine/6000.3/manual/multiplayer.md): Multiplayer game development with Unity's multiplayer packages and services. [Package management](/engine/6000.3/manual/packages-list.md): Explore, install, update, and manage packages for your projects. You can use packages to add assets and extend the Unity Editor. [Physics](/engine/6000.3/manual/physics-section.md): Simulation of 3D motion, mass, gravity and collisions. [Platform development](/engine/6000.3/manual/platform-specific.md): Information about the platforms that you can build your application for. [Rendering](/engine/6000.3/manual/render-pipelines.md): Choose a render pipeline and add your own rendering and post-processing. [Scripting](/engine/6000.3/manual/scripting.md): Program your games by using scripting in the Unity Editor. [UI](/engine/6000.3/manual/uitoolkits.md): User interface toolkits available in the Unity Editor. [Unity services](/engine/6000.3/manual/unity-services.md): Unity services such as Monetization and Cloud Services, Ads, Cloud Build, and Multiplayer. [Visual effects](/engine/6000.3/manual/visual-effects.md): Add and customize particle, lens flare, and full-screen effects. [XR](/engine/6000.3/manual/xr.md): Develop augmented, mixed, and virtual reality experiences with the Unity Editor. ## Additional resources * 📖 **E-Book**: [Advanced best practice guides](/engine/6000.3/manual/best-practice-guides.md) - Best practice guides created by Unity experts. * 👥 **Community**: [Unity Discussions](https://discussions.unity.com) - A community-driven forum where you can find answers, announcements, and discussion topics. * 💡 **Resources**: [Unity Learn Tutorials](https://learn.unity.com) - Free step-by-step tutorials and courses on using Unity, written by Unity staff. * 💡 **Resources**: [Unity Support Help Center](https://support.unity3d.com) - A collection of answers to frequently asked questions posed to Unity's Support teams. * 💡 **Resources**: [Asset Store help](https://support.unity.com/hc/en-us/categories/201253946-Asset-Store) - Answers to frequently asked questions on Asset Store content sharing.