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Named Polars DataFrames with deeply nested struct columns become extremely slow when registered as datasets

bugSomething isn't workingSomething isn't working

Status: Open.

Bug

#9378 In marimo-team/marimo;

· wirhabenzeit opened on Apr 24, 2026

Primary button down + drag to scroll mo.ui.table viewport opens context menu

bugSomething isn't workingSomething isn't working

cannot reproducePlease let us know if others can reproduce thisPlease let us know if others can reproduce this

Status: Open.

Bug

#9360 In marimo-team/marimo;

· ovslb opened on Apr 24, 2026

New dataframe transform: combining levels of a categorical variable

enhancementNew feature or requestNew feature or request

needs discussion

Status: Open.

Feature

#9358 In marimo-team/marimo;

· sen-kaustav opened on Apr 24, 2026

Editor: move cursor to the next line when un/commenting

enhancementNew feature or requestNew feature or request

needs discussion

Status: Open.

Feature

#9357 In marimo-team/marimo;

· markfarber opened on Apr 24, 2026

code_mode API auto-formats edited cells even when save.format_on_save = false

bugSomething isn't workingSomething isn't working

Status: Open.

Bug

#9348 In marimo-team/marimo;

· ouatu-ro opened on Apr 23, 2026

Support the del statement

bugSomething isn't workingSomething isn't working

Status: Open.

Bug

#9347 In marimo-team/marimo;

· joewalp opened on Apr 23, 2026

Support additional Overriding settings with pyproject.toml for table defaults

needs discussion

Status: Open.

Feature

#9340 In marimo-team/marimo;

· Yasin197 opened on Apr 23, 2026

Frequent kernel crashes

bugSomething isn't workingSomething isn't working

Status: Open.

Bug

#9332 In marimo-team/marimo;

· Robotato opened on Apr 22, 2026

Add support for pi-coding-agent

enhancementNew feature or requestNew feature or request

needs discussion

Status: Open.

Feature

#9329 In marimo-team/marimo;

· ethanholz opened on Apr 22, 2026

Cross-environment static cache hosting for WASM (i.e. read mo.persistent_cache output in Pyodide)

Status: Open.

#9327 In marimo-team/marimo;

· jameskermode opened on Apr 22, 2026

Roadmap: bring marimo's built-in AI to parity with general-purpose coding agents

needs discussion

Status: Open.

#9323 In marimo-team/marimo;

· stubbi opened on Apr 22, 2026

Bring ggsql support to marimo

enhancementNew feature or requestNew feature or request

needs discussion

Status: Open.

Feature

#9320 In marimo-team/marimo;

· christianbudgetthuis opened on Apr 22, 2026