【stable diffusion】V1.8版本大更新!Soft inpainting真的太好用了!!!

6 Mar 202410:47

TLDRThe Stable Diffusion V1.8.0 update brings significant enhancements, including a simplified update process through the Autumn Launcher, new TORCH versions for faster image generation, and FP8 precision support for reduced GPU usage. The update introduces a high-resolution repair feature, model triview organization, and a smooth inpainting function for improved local image editing. Additionally, it offers backward compatibility, faster adoption methods, and new shortcuts for image generation and process control. These updates aim to optimize user experience and image quality while addressing previous limitations.


  • 🚀 Introduction of Stable Diffusion V1.8.0 with significant optimizations and updates.
  • 🔄 Guidance on how to update to the latest version using the launcher and version management options.
  • 🔧 New TORCH version 2.1.2 available, with an even higher version 2.2.0 that improves image generation speed.
  • 💡 FP8 precision support for lower VRAM usage during image generation, potentially saving up to 2.5-2.8 GB for SDXL models.
  • 📉 Minimal speed reduction when using FP8 precision, with almost no change in image quality.
  • 🔍 Improved image contrast and grayscale handling with the FP8 mode, addressing common issues in previous versions.
  • 🌟 New high-resolution repair feature for generated images, simplifying the process of enhancing image quality.
  • 🎨 Enhanced model organization with a new vertical layout for easier access and categorization.
  • 🖌️ Introduction of 'soft impainting' to address瑕疵 in局部重绘, especially useful for model换装 tasks.
  • 🔄 Automatic backwards version compatibility for plugins and other features, ensuring a smooth transition after updates.
  • ⏫ New快捷键 for direct image generation and control over rendering processes, improving workflow efficiency.

Q & A

  • What is the new version of Stable Diffusion being discussed?

    -The new version discussed is Stable Diffusion V1.8.0.

  • How can users update to the latest version of Stable Diffusion?

    -Users can update by opening the Autumn Launcher, navigating to the version management button, and then clicking 'One-click Update' or the switch button next to version 1.8.0.

  • What is TORCH and how does its version affect performance?

    -TORCH is a library that can be understood as the higher the version, the faster the image generation speed. The new version includes TORCH 2.1.2, and there's also a mention of TORCH 2.2.0 which is compatible with the presenter's setup.

  • What is the significance of FP8 precision support in the new version?

    -FP8 precision support allows for lower VRAM usage during image generation. It is claimed that FP8 can reduce VRAM usage by 50% compared to FP16 precision, with minimal impact on speed and image quality.

  • How does the new version handle high-resolution image repair?

    -The new version introduces a star button for high-resolution repair. This feature uses HIGHER fix settings and applies the default preset, even if not explicitly selected, to enhance the quality of the generated images.

  • What are the differences between the various upscaling algorithms mentioned?

    -The algorithms mentioned are 'For x Ultrasharp', 'Dota x2', 'Dota x3', and 'Dota x4'. 'For x Ultrasharp' is considered the best for upscaling, but 'Dota x2' provides a smoother effect, potentially better for skin smoothing.

  • What is the purpose of the 'soft impainting' feature?

    -The 'soft impainting' feature addresses issues with local image redrawing, particularly in tasks like model换装 (changing outfits), by eliminating瑕疵 (flaws) around the edges of the image.

  • How has the model organization been improved in the new version?

    -The models are now organized in a vertical list, accessible through a button that displays categories like 'enemy anime', 'architecture', 'realistic', and various art styles, making it easier for users to find and select models for their tasks.

  • What new feature has been introduced for local redrawing with SDXL models?

    -An official SDXL local redrawing model has been introduced to prevent errors when performing local redrawing with SDXL models.

  • What does 'Automatic backwards version compatibility' refer to?

    -This feature ensures that updates to the software are compatible with older versions, including plugins, allowing for a smoother transition and continued use of existing tools.

  • What new shortcut keys have been introduced in the V1.8.0 version?

    -The new shortcut keys include 'Control + Enter' to directly generate an image, 'Alt + Enter' to skip a step in the process, and 'ESC' to stop rendering a project.

  • How has the batch image generation process been enhanced?

    -The batch image generation process now includes a 'various CS for x' parameter, allowing seeds to be variable along the x, y, or z axis, providing more flexibility in comparing images.



🚀 Introduction to Stable Diffusion V1.8.0

This paragraph introduces the new Stable Diffusion V1.8.0 and provides a tutorial on how to update to this version using the Autumn Launcher. It explains the process of accessing the version management button and the one-click update feature. The update includes a new version of TORCH (2.1.2) which improves image generation speed, and the option to use TORCH 2.2.0 is also available. The paragraph emphasizes the benefits of the new FP8 precision support, which reduces memory usage by up to 50% compared to FP16 precision. It also discusses the negligible speed reduction due to the additional operations required for type conversion and the unchanged image quality. The paragraph concludes with instructions on how to enable FP8 and the visual improvement it brings to image contrast and grayscale handling.


🎨 High-Resolution Repair and Model Organization Updates

This paragraph discusses the new high-resolution repair feature, which allows users to enhance the quality of generated images with a dedicated star button. It compares the effectiveness of different high-resolution algorithms and introduces the model's triview organization, which categorizes models into vertical lists for easier navigation. The paragraph also highlights the new soft inpainting feature that addresses issues with local image retouching, particularly in fashion and model generation, by smoothing out edges and removing artifacts. Additionally, it mentions the official SDXL model for local retouching and the scandal feature, which is not yet found in the SD interface but could be a future update. The paragraph concludes with the introduction of automatic backward version compatibility and new快捷键 for generating images and managing rendering processes.


🔄 Scripting and Batch Generation Enhancements

The final paragraph focuses on the scripting updates that allow for variable seeds along different axes (x, y, or z) for image comparisons, providing more control over the generation process. It introduces the various CS for x feature, which enables batch generation with variable seeds, enhancing the user's ability to create diverse image sets. The paragraph wraps up by encouraging users to share any interesting findings from the V1.8.0 update in the comments section and signs off with a reminder to follow the presenter for more AI-related content.



💡Stable Diffusion V1.8.0

Stable Diffusion V1.8.0 refers to the latest version of the AI model discussed in the video. It is the core subject of the video, as the speaker provides an overview of the improvements and new features introduced in this version. The update includes optimizations for faster image generation and reduced memory usage, which are central to the video's theme of enhancing user experience through software updates.

💡Update Process

The update process refers to the steps a user must follow to upgrade to the latest version of Stable Diffusion. In the context of the video, it is crucial for users to understand how to access and apply the new version to benefit from the improvements and features. The speaker provides a detailed guide on how to perform the update through the launcher and the importance of selecting the correct TORCH version.

💡TORCH Version

TORCH Version is a specific software library version that the AI model relies on for its operations. In the video, the speaker mentions TORCH 2.1.2 and TORCH 2.2.0, emphasizing that higher versions can lead to faster image generation speeds. The choice of TORCH version is significant as it affects the performance and efficiency of the AI model.

💡FP8 Precision

FP8 Precision is a new feature in Stable Diffusion V1.8.0 that allows for lower memory usage during image generation. The speaker explains that FP8 can theoretically reduce memory usage by 50% compared to FP16 precision, which is a significant improvement for users with limited GPU memory. This feature is directly related to the video's theme of optimizing AI performance and resource management.

💡High-Resolution Repair

High-Resolution Repair is a feature added in the new version of Stable Diffusion that enhances the quality of generated images by fixing common issues like noise and contrast. The speaker describes a new button with a star icon in the interface that activates this repair function, which is particularly useful for refining images after they have been generated.

💡Soft Impainting

Soft Impainting is a newly introduced feature in the video that addresses the issue of瑕疵 (flaws) around the edges of objects when performing局部重绘 (local redraw) on images. This feature is designed to smooth out these瑕疵, providing a more seamless and natural-looking result. It is particularly beneficial for tasks like changing clothing on models, where maintaining the integrity of the image is crucial.

💡SDXL Model

The SDXL Model is a specific type of model used in Stable Diffusion that requires a significant amount of memory. The speaker mentions that the new version includes optimizations for the SDXL model, allowing it to run more efficiently and use less memory. This is important for users who want to generate high-quality images without being limited by hardware constraints.

💡XYZ Plot

XYZ Plot is mentioned in the context of a script update that allows for more flexibility in batch image generation. It enables users to vary the seed along different axes (X, Y, or Z) to create a variety of images for comparison or other purposes. This feature is significant for users who want to explore different image variations systematically.

💡快捷键 (Shortcut Keys)

快捷键 (Shortcut Keys) are keyboard shortcuts introduced in the new version of Stable Diffusion to streamline the image generation process. The speaker mentions new shortcuts such as Control + Enter to directly generate an image and Alt + Enter to skip a step in the process. These shortcuts are designed to improve user efficiency and ease of use.

💡Automatic Backwards Version Compatibility

Automatic Backwards Version Compatibility refers to the ability of the new version of Stable Diffusion to work with older versions of plugins and other components. This feature ensures that users can continue to use their existing tools and resources without having to update or replace them immediately, providing a smooth transition and reducing the potential for compatibility issues.


Scandal, as mentioned in the video, seems to be a new feature or algorithm related to facial repair that the speaker has not fully explored. While the exact nature of Scandal is not detailed in the video, it suggests an upcoming or newly integrated tool within the Stable Diffusion platform aimed at improving the quality of facial features in generated images.


Stable Diffusion V1.8.0 version has been released with significant optimizations.

Instructions on how to update to the latest version using the Autumn Leaf launcher are provided.

The new version introduces TORCH 2.1.2 and TORCH 2.2.0 for faster image generation.

Users can choose between TORCH versions based on their preferences for speed and model compatibility.

The update includes FP8 precision support, which reduces GPU memory usage by up to 50%.

Despite using FP8, the image quality remains almost unchanged with negligible speed reduction.

The interface now displays all parameters by default, making it easier to find and adjust settings.

A new high-resolution repair feature is introduced for generated images.

The new 'Soft Impainting' function improves the quality of local image retouching.

An official SDXL model for local retouching is provided to prevent errors.

The update includes Automatic backwards version compatibility for plugins and other features.

New shortcuts have been added for faster image generation and skipping/stopping processes.

The update supports variable seeds for different axes in batch image generation.

The 'XYZ Plot' script is mentioned for image comparison purposes.

The presenter, AI Prince, encourages users to share their experiences and discoveries with the new version.

The video description contains a link to a website for further information on the updates.

The update aims to solve common issues such as image graying and improve contrast and grayscale handling.

The presenter provides a detailed walkthrough of the update's features and how to utilize them effectively.