# SillyTavern 1.13.1 - Product: SillyTavern (https://whatsnew.fyi/product/sillytavern) - Vendor: SillyTavern - Date: 2025-06-22 - Version: 1.13.1 - Original notes: https://github.com/SillyTavern/SillyTavern/releases/tag/1.13.1 - Permalink: https://whatsnew.fyi/product/sillytavern/releases/1.13.1 What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog. Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'. --- - **added** — Google Vertex AI (Full) support for accessing Gemini models with a service account - **added** — Google Vertex AI (Express) controls for Project ID and Region - **added** — New Gemini 2.5 Pro models in Google AI Studio with automatic API endpoint fallback for unlisted models - **added** — Cache TTL control for Claude in OpenRouter - **added** — New models to MistralAI list - **added** — Sampler controls in Pollinations - **added** — Backend web search capabilities for xAI - **added** — Tool calls for DeepSeek reasoner model - **added** — AI/ML API as a Chat Completion source - **added** — Ability to save multiple secret values per API type - **added** — Custom assistants display their greeting message on Welcome Page - **added** — Rename and delete buttons for recent chats on Welcome Page - **added** — Config setting to choose the browser to launch - **added** — Clean-up dialog to remove loose files and images from the data directory - **added** — Ability to attach videos to messages for Gemini models - **added** — Setting to hide autocomplete suggestions in chat input - **added** — Commands for managing secrets via STscript: /secret-id, /secret-write, etc. - **added** — Access to World Info entry character filters via /getwifield and /setwifield commands - **added** — Extension manifest requirement for other extensions presence - **added** — Google Imagen and AI/ML API as image generation sources #### 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 * add ability for exts to req other exts by @RossAscends in https://github.com/SillyTavern/SillyTavern/pull/4023 * Regex: allow multiple definitions in a single file by @gakada in https://github.com/SillyTavern/SillyTavern/pull/3967 * Import character card from Soulkyn by @buzz in https://github.com/SillyTavern/SillyTavern/pull/4042 * Add Vertex AI Full Version support in https://github.com/SillyTavern/SillyTavern/pull/4046 * refresh voices upon checkReady in openai-compatible TTS by @rsxdalv in https://github.com/SillyTavern/SillyTavern/pull/4058 * Fix typos by @omahs in https://github.com/SillyTavern/SillyTavern/pull/4057 * Clean cons _[Truncated at 4000 characters — full notes: https://github.com/SillyTavern/SillyTavern/releases/tag/1.13.1]_