Chainlit

Added

- Messages and steps now accept tags and metadata (useful for the data layer)

Changed

- The LLama Index callback handler should now show retrieved chunks in the intermadiary steps
- Renamed the Literal environment variable to `LITERAL_API_URL` (it used to be `LITERAL_SERVER`)

Fixed

- Starting a new conversation should close the element side bar
- Resolved security issues by upgrading starlette dependency

Added

- Added a new command `chainlit lint-translations` to check that translations file are OK
- Added new sections to the translations, like signin page
- chainlit.md now supports translations based on the browser's language. Like chainlit_pt-BR.md
- A health check endpoint is now available through a HEAD http call at root
- You can now specify a custom frontend build path

Fixed

- Translated will no longer flash at app load
- Llama Index callback handler has been updated
- File watcher should now properly refresh the app when the code changes
- Markdown titles should now have the correct line height

Changed

- `multi_modal` is now under feature in the config.toml and has more granularity
- Feedback no longer has a -1 value. Instead a delete_feedback method has been added to the data layer
- ThreadDict no longer has the full User object. Instead it has user_id and user_identifier fields

Added

- OpenAI integration

Fixed

- Langchain final answer streaming should work again
- Elements with public URLs should be correctly persisted by the data layer

Changed

- Enforce UTC DateTimes

Added

- Custom js script injection
- First token and token throughput per second metrics

Changed

- The `ChatGeneration` and `CompletionGeneration` has been reworked to better match the OpenAI semantics

Added

- Chainlit Copilot
- Translations
- Custom font

Fixed

- Tasklist flickering

Fixed

- Llama index callback handler should now correctly nest the intermediary steps
- Toggling hide_cot parameter in the UI should correctly hide the `took n steps` buttons
- `running` loading button should only be displayed once when `hide_cot` is true and a message is being streamed