Issues

• The Output Widget guide does not show cell outputs

  docs
  jupyter-widgets/ipywidgets#4039 · Filter by author reint-fischer opened on Aug 25, 2026
  1

• interaction of ipywidges.widgets Output with matplotlib.animation

  jupyter-widgets/ipywidgets#4038 · Filter by author RDeRenzi opened on Aug 24, 2026
  1

• jupyterlab-widgets installs .gitignore

  jupyter-widgets/ipywidgets#4036 · Filter by author frenzymadness opened on Aug 19, 2026

• Widget output rendered before its comm_open is processed fails permanently ("model not found" or stuck "Loading widget...")

  jupyter-widgets/ipywidgets#4026 · Filter by author krassowski opened on Aug 8, 2026
  5

  

• "Error rendering output item using 'jupyter-ipywidget-renderer'" when running transformers Trainer.train() on Python 3.13

  jupyter-widgets/ipywidgets#4017 · Filter by author guangdawang opened on Mar 13, 2026

• ipywidgets 8.x fails to install on Windows via Poetry due to path length, but 7.7.0 works

  jupyter-widgets/ipywidgets#4013 · Filter by author enricostragiotti opened on Jan 13, 2026
  2

• Async ipywidgets.Output updates from background task only render after next cell in JupyterLab

  jupyter-widgets/ipywidgets#4012 · Filter by author decitre opened on Dec 25, 2025
  5

• Latex Equation Not Displaying

  docs
  jupyter-widgets/ipywidgets#4010 · Filter by author henrydingliu opened on Dec 16, 2025

• FileUpload displayed counter should be optional

  jupyter-widgets/ipywidgets#4009 · Filter by author Arshadwaqas115 opened on Nov 26, 2025

• Errorneous color names in trait_types for color widget

  jupyter-widgets/ipywidgets#4007 · Filter by author matthewyu0311 opened on Nov 25, 2025

• conda package

  jupyter-widgets/ipywidgets#4005 · Filter by author baugetfa opened on Nov 3, 2025
  4

• Text widgets do not respect on-demand execution

  jupyter-widgets/ipywidgets#3997 · Filter by author asemptote opened on Sep 17, 2025
  2

• Button.on_click() handler is called twice for a single click

  jupyter-widgets/ipywidgets#3996 · Filter by author decitre opened on Aug 3, 2025
  2

• Comms not cleared after re-executing cell with ipywidgets

  jupyter-widgets/ipywidgets#3995 · Filter by author bd-Kwasniewski opened on Jul 29, 2025
  1

• Using pen input is difficult with widgets due to context menu triggering

  jupyter-widgets/ipywidgets#3994 · Filter by author martenrichter opened on Jul 5, 2025

• ipywidgets.Output context manager fails to capture stdout in asyncio loop after await

  jupyter-widgets/ipywidgets#3993 · Filter by author basnijholt opened on May 9, 2025
  2

• I'm stuck with "Loading widget..."

  jupyter-widgets/ipywidgets#3991 · Filter by author dfacepeter opened on Apr 30, 2025

• ipywidgets.Output always add newline to print, even when asked not to.

  jupyter-widgets/ipywidgets#3990 · Filter by author lgautier opened on Apr 30, 2025

• Output widget deletes all output if display takes longish

  jupyter-widgets/ipywidgets#3986 · Filter by author soerenwolfers opened on Apr 24, 2025

• Widgets redraw starts slowing down over time till script completely stops

  jupyter-widgets/ipywidgets#3985 · Filter by author artquest opened on Apr 18, 2025
  7

• Widgets do not load if c.LabServerApp.notebook_starts_kernel = False

  jupyter-widgets/ipywidgets#3980 · Filter by author lstngr opened on Mar 26, 2025
  7

• spellcheck attribute support for text widgets

  jupyter-widgets/ipywidgets#3979 · Filter by author zmoon opened on Mar 24, 2025

• Move https://pypi.org/project/jupyterlab-widgets/ to Jupyter Org on PyPI

  jupyter-widgets/ipywidgets#3977 · Filter by author Carreau opened on Mar 16, 2025
  1

• Using interact documentation is broken

  docs
  jupyter-widgets/ipywidgets#3976 · Filter by author krassowski opened on Feb 28, 2025

• widgetsnbextension minimum Python version

  jupyter-widgets/ipywidgets#3974 · Filter by author Winand opened on Feb 7, 2025
  2