SillyTavern 1.13.1

1.13.1
Added 20
  • Google Vertex AI (Full) support for accessing Gemini models with a service account
  • Google Vertex AI (Express) controls for Project ID and Region
  • New Gemini 2.5 Pro models in Google AI Studio with automatic API endpoint fallback for unlisted models
  • Cache TTL control for Claude in OpenRouter
  • New models to MistralAI list
  • Sampler controls in Pollinations

SillyTavern 1.13.1

News
  1. Node.js 18 has reached its EOL, please update Node runtime to the latest LTS version to continue receiving future updates.
  2. secrets.json file format has been updated and won't be compatible with previous SillyTavern versions.
Backends
  • Google Vertex AI (Full): Added support for accessing Gemini models with a service account.
  • Google Vertex AI (Express): Added controls for Project ID and Region.
  • Google AI Studio: Added new Gemini 2.5 Pro models. Models not in the list will be pulled from the API endpoint.
  • OpenRouter: Added cache TTL control for Claude; synchronized providers list.
  • MistralAI: Added new models to the list.
  • Pollinations: Added sampler controls, fixed reasoning tokens display.
  • xAI: Enabled backend web search capabilities.
  • DeepSeek: Added tool calls for reasoner model.
  • AI/ML API: Added as a Chat Completion source.
Improvements
  • Secrets: Added an ability to save multiple secret values per API type.
  • Welcome Page: Custom assistants will display their greeting message (if any).
  • Welcome Page: Added rename and delete buttons for recent chats.
  • Browser Launch (previously known as autorun): Added a config setting to choose the browser to launch.
  • Added a clean-up dialog to remove loose files and images from the data directory.
  • World Info: Budget cap max value increased to 64k tokens.
  • Backgrounds: Implemented lazy loading for backgrounds in the selection dialog.
  • Chat Completion: Added prompt post-processing types with tool calling support.
  • Added an ability to attach videos to messages (only supported by Gemini models).
  • Switched top drawer animations to use CSS transitions instead of JavaScript for better performance.
STscript
  • Added a setting to hide autocomplete suggestions in chat input.
  • Added a set of commands for managing secrets: /secret-id, /secret-write, etc.
  • Added access to WI entry character filters via /getwifield//setwifield commands.
Extensions
  • Extension manifest can now require other extensions presence to be loaded.
  • If any extensions failed to load, the reason will be displayed in the "Manage extensions" dialog.
  • Connection Profiles: Added Prompt Post-Processing and Secret ID to connection profiles.
  • Regex: Added bulk operations and multiple scripts export per file.
  • Image Generation: Added Google Imagen and AI/ML API as image generation sources. Added NovelAI V4.5 models.
  • TTS: Added Chatterbox, TTS WebUI and Google Gemini as TTS sources.
  • Gallery: Added delete functionality for gallery items.
  • Character Expressions: Added a switch between raw/full prompt building strategies for Main API classification.
  • Vector Storage: Allow chunk overlap when forced chunking on a custom delimiter.
Bug fixes
  • Fixed not being able to swipe right to generate if the first message was generated.
  • Fixed image prompt modified on image swipe not saving to the message title.
  • Fixed poor performance and memory leaks in the World Info editor.
  • Fixed personality/scenario missing in Chat Completion prompts if the respective utility prompt is empty.
  • Fixed parsing strings as numeric operands in STscript if command.
  • Fixed performance of "Back to parent chat" operation.
Community updates
New Contributors

Full Changelog: https://github.com/SillyTavern/SillyTavern/compare/1.13.0...1.13.1

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