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@azjps azjps commented Sep 13, 2025

Refer to #3868 for details.

value.changed is an implementation detail in Jupyter's backbone.js patch, and isn't supported in other AFM implementations such as marimo's (or streamlit, nicegui, etc).

To silence the errors and allow updates from python to JS happen, for now signaling all params instead of just changed ones, if .changed is undefined.

@azjps azjps changed the title Make .changed property optional in JupyterChart #3868 Make .changed property optional in JupyterChart #3868 Sep 13, 2025
@azjps azjps changed the title Make .changed property optional in JupyterChart #3868 fix: Make .changed property optional in JupyterChart #3868 Sep 13, 2025
@joelostblom
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Thanks for submitting a fix for the issue you reported earlier @azjps !

@jonmmease Do you have the bandwidth to review if this change makes sense?

value.changed is an implementation detail in Jupyter's backbone.js patch, and isn't supported in other AFM implementations such as marimo's (or streamlit, nicegui, etc).

To silence the errors and allow updates from python to JS happen, for now signaling all params instead of just changed ones, if .changed is undefined.
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