SDNext is a Stable Diffusion based image generation project with many advanced features and functions. It branched out from the Automatic1111 Webui, but added many new improvements and innovations. It supports multiple backend and diffusion models,runs on different platforms and devices, and has a modern user interface and localization engine. It also has a built-in installer that automatically updates and manages dependencies.Optimized processing with latest torch developments Including built-in support for torch.compile;Support for multiple backends: original and diffusers;Support for multiple diffusion models: Stable Diffusion, SD-XL, Kandinsky, DeepFloyd IF, UniDiffusion, SD-Distilled, etc;Fully multiplatform with platform specific autodetection and tuning performed on install: Windows,Linux,MacOS with CPU,nVidia,AMD,Intel,DirectML,OpenVINO;Improved prompt parser;Enhanced Lora/Locon/Lyco code supporting latest trends in training;Built-in queue management;Advanced metadata caching and handling to speed up operations;Enterprise level logging and hardened API;Modern localization and hints engine;Broad compatibility with existing extensions ecosystem and new extensions manager;Built in installer with automatic updates and dependency management;Modernized UI (still based on Gradio) with theme support.