# SillyTavern 1.13.4

- Product: SillyTavern (https://whatsnew.fyi/product/sillytavern)
- Vendor: SillyTavern
- Date: 2025-09-13
- Version: 1.13.4
- Original notes: https://github.com/SillyTavern/SillyTavern/releases/tag/1.13.4
- Permalink: https://whatsnew.fyi/product/sillytavern/releases/1.13.4

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'.

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- **added** — Google backend now supports the gemini-2.5-flash-image (Nano Banana) model
- **added** — DeepSeek backend can pass sampling parameters to the reasoner model
- **added** — NanoGPT backend enabled prompt cache setting for Claude models
- **added** — OpenRouter backend added image output parsing for models that support it
- **added** — Chat Completion added Azure OpenAI and Electron Hub as sources
- **added** — Server added validation of hostnames in requests for improved security (opt-in)
- **added** — Server added support for SSL certificates with a passphrase when using HTTPS
- **added** — Chat Completion inline Image Quality control is now available for all compatible sources
- **added** — UX Ctrl+Enter will send a user message if the text input is not empty
- **added** — Thai locale added and various improvements made to existing locales
- **added** — Image Captioning extension added custom model input for Ollama and added NanoGPT as a source
- **added** — Regex extension added a debug mode for regex visualization
- **added** — Regex extension added the ability to save regex order and state as presets
- **changed** — Chat Completion requests that fail with code 429 will no longer be silently retried
- **changed** — Reasoning auto-parsed reasoning blocks are now automatically removed from impersonation results
- **changed** — UI updated the layout of the background image settings menu
- **changed** — TTS improved handling of nested quotes when using the Narrate quotes option
- **fixed** — Fixed request streaming for the Vertex AI backend in Express mode
- **fixed** — Fixed erroneous replacement of newlines with <br> tags inside HTML code blocks
- **fixed** — Fixed custom toast positions not being applied to popups

#### SillyTavern 1.13.4

##### Backends

- Google: Added support for the gemini-2.5-flash-image (Nano Banana) model.
- DeepSeek: Sampling parameters can be passed to the reasoner model.
- NanoGPT: Enabled prompt cache setting for Claude models.
- OpenRouter: Added image output parsing for models that support it.
- Chat Completion: Added Azure OpenAI and Electron Hub as sources.

##### Improvements

- Server: Added validation of hostnames in requests for improved security (opt-in).
- Server: Added support for SSL certificates with a passphrase when using HTTPS.
- Chat Completion: Requests that fail with code 429 will no longer be silently retried.
- Chat Completion: Inline Image Quality control is now available for all compatible sources.
- Reasoning: Auto-parsed reasoning blocks are now automatically removed from impersonation results.
- UI: Updated the layout of the background image settings menu.
- UX: Ctrl+Enter will send a user message if the text input is not empty.
- Added Thai locale and made various improvements to existing locales.

##### Extensions

- Image Captioning: Added custom model input for Ollama, updated the list of Groq models, and added NanoGPT as a source.
- Regex: Added a debug mode for regex visualization and the ability to save regex order and state as presets.
- TTS: Improved handling of nested quotes when using the "Narrate quotes" option.

##### Bug Fixes

- Fixed request streaming for the Vertex AI backend in Express mode.
- Fixed erroneous replacement of newlines with `<br>` tags inside HTML code blocks.
- Fixed custom toast positions not being applied to popups.
- Fixed the depth of in-chat prompt injections when using the continue function with the Chat Completion API.

##### What's Changed
* feat: Advanced Regex Chain Debugger and Testing Panel by @MAX-TAB in https://github.com/SillyTavern/SillyTavern/pull/4418
* Update dependencies by @Cohee1207 in https://github.com/SillyTavern/SillyTavern/pull/4447
* fix: Slash command descriptions and argument help text are not translated by @MAX-TAB in https://github.com/SillyTavern/SillyTavern/pull/4434
* Update ru-ru locale by @Yokayo in https://github.com/SillyTavern/SillyTavern/pull/4449
* Fix JannyAI error handling in https://github.com/SillyTavern/SillyTavern/pull/4460
* Chat Completion: Adjust depth of 0-depth injects on continue with prefill by @Cohee1207 in https://github.com/SillyTavern/SillyTavern/pull/4452
* Header change by @Vibecoder9000 in https://github.com/SillyTavern/SillyTavern/pull/4465
* Update zh-CN translations by @Tosd0 in https://github.com/SillyTavern/SillyTavern/pull/4466
* Fix compiler errors in public/global.d.ts by @epyllia in https://github.com/SillyTavern/SillyTavern/pull/4464
* fix: Resolve streaming output for Vertex AI Express Mode by @AliceRabbit in https://github.com/SillyTavern/SillyTavern/pull/4474
* a11y: Setup observers for element roles by @Cohee1207 in https://github.com/SillyTavern/SillyTavern/pull/4469
* More modern backgrounds buttons and filename by @Vibecoder9000 in https://github.com/SillyTavern/SillyTavern/pull/4484
* Server: Support passphrase for SSL private key by @Cohee1207 in https://github.com/SillyTavern/SillyTavern/pull/4488
* Server: Add host whitelisting by @Cohee1207 in https://github.com/SillyTavern/SillyTavern/pull/4476
* Add Electron Hub as Chat Completions Provider by @snowby666 in https://github.com/SillyTavern/SillyTavern/pull/4458
* Backgrounds Border Conflicts by @Vibecoder9000 in https://github.com/SillyTavern/SillyTavern/pull/4491
* Add: id="PersonaManagement" to Persona Management div by @RivelleDays in https://github.com/SillyTavern/SillyTavern/pull/4495
* Reasoning: Support auto-parse for impersonation results by @Cohee1207 in https://github.com/SillyTavern/SillyTavern/pull/4489
* feat: Regex Presets by @Tosd0 in https://github.com/SillyTavern/SillyTavern/pull/4468
* Fix: Do not replace newlines inside of pre blocks by @Cohee1207

_[Truncated at 4000 characters — full notes: https://github.com/SillyTavern/SillyTavern/releases/tag/1.13.4]_