toygardarm

Hi! I'm also running into this. ```$ pip freeze | grep -e ipympl -e matplot -e jupyter ipympl==0.9.4 jupyter-events==0.10.0 jupyter-lsp==2.2.5 jupyter_client==8.6.2 jupyter_core==5.7.2 jupyter_server==2.14.2 jupyter_server_terminals==0.5.3 jupyterlab==4.2.3 jupyterlab_pygments==0.3.0 jupyterlab_server==2.27.3 jupyterlab_widgets==3.0.11 matplotlib==3.9.2 matplotlib-inline==0.1.7...

For what it's worth - it does not seem random on my machine. It reproduces reliably in Firefox, both with a local and remote jupyterlab environment. As in, I haven't...