New
0.19.8
This release introduces notebook galleries with OpenGraph previews, along with anywidget improvements, AI enhancements, and many bug fixes.
⭐️ Highlights
Serve a gallery of notebooks
You can now serve multiple marimo notebooks as a gallery using marimo run with folders or multiple files. This is useful for showcasing collections of notebooks, tutorials, or dashboards in a single browsable interface.
# Serve all notebooks in a folder
marimo run my_notebooks/
# Serve multiple folders and files
marimo run tutorials/ examples/ standalone.py
# Run with sandboxed environments per notebook
marimo run my_notebooks/ --sandbox
Rich gallery previews with OpenGraph metadata
Gallery cards can be customized with OpenGraph metadata. Define metadata in your notebook's PEP 723 script block to control how each notebook appears in the gallery: