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A reactive notebook for Python — run reproducible experiments, execute as a script, deploy as an app, and version with git.

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HTTP requests done from a Marimo WASM notebook are not carrying any cookies that the browser may have stored. This breaks requests to URLs that use cookie-based authentication (e.g. where...

### Description I'm not sure if you prefer to have a new issue or if I should add this to as a comment of a closed issue, so forgive me...

enhancement

### Description I really like the transformation possibilities with the mo.ui.dataframe. But it is getting slow, if there is a large amount of data in the background. E.g.: when applying...

enhancement

### Describe the bug I created a notebook with an image in a `public` directory. The image doesn't display in markdown. I also tried putting the image as a peer...

bug
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### Description I'd like if I could configure the tab size/width being used by the code editor to something other than `4`. I found the relevant code https://github.com/marimo-team/marimo/blob/main/frontend/src/core/codemirror/cm.ts#L200 which sets...

enhancement

### Describe the bug While the fix in PR #4447 now successfully creates and launches notebooks based on prompts via the `marimo new ` command on Windows, there's a remaining...

bug

### Describe the bug When embedding a marimo app using `app.embed()` in a parent Marimo app, the child UI elements rendered with `mo.vstack` are dynamically refreshed when the page is...

bug

### Describe the bug I implemented the same SPA app in Streamlit and Marimo using multiple page views selected from a sidebar. A trivial marimo notebook is included below. In...

bug

### Description Rearranging cells in a large notebook is rather difficult, especially if there is a lot of complex output (e.g., DataFrames or plots) which slow down dragging cells around....

enhancement

### Describe the bug Hey! First of all, Marimo is such a great alternative to Jupyter Notebook! So much more useful! But, I think I've ran into an issue, here...

bug