Chainlit

Added

- `cl.on_file_upload` to enable spontaneous file uploads
- `LangchainGenericProvider` to add any Langchain LLM in the Prompt Playground
- `cl.Message` content now support dict (previously only supported string)
- Long messages are now collapsed by default

Fixed

- Deadlock in the Llama Index callback handler
- Langchain MessagesPlaceholder and FunctionMessage are now correctly supported

Added

- Complete rework of the Prompt playground. Now supports custom LLMs, templates, variables and more
- Enhanced Langchain final answer streaming
- `remove_actions` method on the `Message` class
- Button to clear message history

Fixed

- Chainlit CLI performance issue
- Llama Index v0.8+ callback handler. Now supports messages prompts
- Tasklist display, persistence and `.remove()`
- Custom headers growing infinitely large
- Action callback can now handle multiple actions
- Langflow integration load_flow_from_json
- Video and audio elements on Safari

Added

- Make the chat experience configurable with Chat Settings
- Authenticate users based on custom headers with the Custom Auth client

Fixed

- Author rename now works with all kinds of messages
- Create message error with chainlit cloud (chenjuneking)

Added

- Security improvements
- Haystack callback handler
- Theme customizability

Fixed

- Allow multiple browser tabs to connect to one Chainlit app
- Sidebar blocking the send button on mobile

Breaking changes

- Factories, run and post process decorators are removed.
- langchain_rename becomes author_rename and works globally
- Message.update signature changed

Migration guide available [here](https://docs.chainlit.io/guides/migration/0.6.0).

Added

- Langchain final answer streaming
- Redesign of chainlit input elements
- Possibility to add custom endpoints to the fast api server
- New File Element
- Copy button in code blocks

Fixed

- Persist session between websocket reconnection
- The UI is now more mobile friendly
- Avatar element Path parameter
- Increased web socket message max size to 100 mb
- Duplicated conversations in the history tab

Added

- Add the video element

Fixed

- Fix the inline element flashing when scrolling the page, due to un-needed re-rendering
- Fix the orange flash effect on messages