2.11.1

jo-inc/camofox-browser2.11.1Apr 22, 2026by asvishnyakov

AI Summary

This release focuses on bug fixes for socket reconnections, LangChain version compatibility, and regional locale support, along with updates to developer tooling and workflows.

Key Highlights

Added `chat_profile` parameter to `set_starter_categories` callback
Fixed socket reconnection issues preventing duplicate dispatch
Fixed LangChain version detection logic
Resolved regional locale translation files (e.g., 'da' to 'da-DK')
Refactored development scripts and updated Prettier/Ruff

New Features

Passing `chat_profile` to `set_starter_categories` callback

Full Release Notes

## What's Changed

 🛈 You may need to update your workflows and dev tools if you forked this repo or install chainlit from source code via `git+` syntax. See #2573 for detailed changes

### Added
* feat: pass chat_profile to set_starter_categories callback by @EyalAmitay in https://github.com/Chainlit/chainlit/pull/2849

### Fixed
* fix(socket): guard on_chat_start against duplicate dispatch on reconnect by @dokterbob in https://github.com/Chainlit/chainlit/pull/2891
* fix(langchain): check langchain-core version instead of langchain by @dokterbob in https://github.com/Chainlit/chainlit/pull/2889
* fix: resolve base locale to regional translation file (e.g. "da" → "da-DK") by @mgquach in https://github.com/Chainlit/chainlit/pull/2843

### Changed
* chore(fmt): upgrade prettier & ruff and auto format missed files by @asvishnyakov in https://github.com/Chainlit/chainlit/pull/2884
* refactor: dev scripts by @asvishnyakov in https://github.com/Chainlit/chainlit/pull/2573
* chore: release by @asvishnyakov in https://github.com/Chainlit/chainlit/pull/2901


**Full Changelog**: https://github.com/Chainlit/chainlit/compare/2.11.0...2.11.1