# Unity 6.6 User Manual > Documentation for the Unity Engine, including workflows related to creating your application in the Unity Editor and its supported packages. Unity 6.6 is the latest 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. To download the latest version of Unity, refer to the [Unity download page](https://unity.com/download). For more information about new features and how to upgrade your existing projects to this version, refer to the following topics: * [New in Unity](/engine/6000.6/manual/whats-new.md) * [Upgrade Unity](/engine/6000.6/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/6000.6/manual/render-pipelines.md): Elevate your scenes with scalable, captivating visuals using the latest advances in [rendering](/engine/6000.6/manual/render-pipelines.md), [lighting](/engine/6000.6/manual/lighting-overview.md), and [visual effects](/engine/6000.6/manual/visual-effects.md). [Multiplayer game creation](/engine/6000.6/manual/multiplayer.md): Simplify multiplayer game creation with Unity's [multiplayer packages and services](/engine/6000.6/manual/multiplayer.md). [Expand multiplatform reach](/engine/6000.6/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/6000.6/manual/platform-specific.md) for all supported platforms. [Unlock possibilities with Unity AI](/engine/6000.6/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/6000.6/manual/render-pipelines.md): Create more engaging visuals with the latest updates to [Lighting](/engine/6000.6/manual/lighting-overview.md), [Graphics performance and profiling](/engine/6000.6/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/6000.6/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/6000.6/manual/uitoolkits/uielements.md). ## Featured content Featured content of the Unity User Manual. [Unity AI](/engine/6000.6/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/6000.6/manual/animation-section.md): Animation in the Unity Editor, including the avatar system, animation clips, and state machines. [Audio](/engine/6000.6/manual/audio.md): Audio in the Unity Editor, including clips, sources, listeners, importing and sound settings. [Unity Building Blocks](/engine/6000.6/manual/building-blocks.md): Add functional gameplay features that demonstrate Unity's best practices. [2D game development](/engine/6000.6/manual/unity2d.md): Unity Editor's 2D-specific features including gameplay, sprites, and physics. [Lighting](/engine/6000.6/manual/lighting-overview.md): Set up realistic or stylized lighting to apply for a range of art styles. [Multiplayer](/engine/6000.6/manual/multiplayer.md): Multiplayer game development with Unity's multiplayer packages and services. [Package management](/engine/6000.6/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/6000.6/manual/physics-section.md): Simulation of 3D motion, mass, gravity and collisions. [Platform development](/engine/6000.6/manual/platform-specific.md): Information about the platforms that you can build your application for. [Rendering](/engine/6000.6/manual/render-pipelines.md): Choose a render pipeline and add your own rendering and post-processing. [Scripting](/engine/6000.6/manual/scripting.md): Program your games by using scripting in the Unity Editor. [UI](/engine/6000.6/manual/uitoolkits.md): User interface toolkits available in the Unity Editor. [Unity services](/engine/6000.6/manual/unity-services.md): Unity services such as Monetization and Cloud Services, Ads, Cloud Build, and Multiplayer. [Visual effects](/engine/6000.6/manual/visual-effects.md): Add and customize particle, lens flare, and full-screen effects. [XR](/engine/6000.6/manual/xr.md): Develop augmented, mixed, and virtual reality experiences with the Unity Editor. ## Additional resources * 📖 **E-Book**: [Advanced best practice guides](/engine/6000.6/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.