Custom UI changes reflected on dev mode not on 'jupyter lab' command

JupyterLab
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1

Almost same with this topic.

I have modified some UI and when running jupyter lab --dev-mode it does reflect changes but not the situation with command jupyter lab

Not too sure to apply it to prod.

Thanks in advance.

2

See the reply in that thread: Build customized jupyerlab from source code - #2 by jasongrout