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I was able to pinpoint the problem to the code <div class="Box Box--condensed

[BUG] dcc.Dropdown value does not update when an option is removed (regression from #1868) about dash HOT 1 CLOSED

Thuener commented on May 28, 2024

[BUG] dcc.Dropdown value does not update when an option is removed (regression from #1868)

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Comments (1)

TillerBurr commented on May 28, 2024 1

I was able to pinpoint the problem to the code

dash/components/dash-core-components/src/fragments/Dropdown.react.js

Lines 123 to 129 in f7f8fb4

 useEffect(() => { 

 if ( 

 !searchable && 

 !isNil(sanitizedOptions) && 

 optionsCheck !== sanitizedOptions && 

 !isNil(value) 

 ) {

In particular, the searchable check is somewhat problematic. Removing it fixes the issue because the dropdown in the example is searchable by default. The reason that it was there to begin with is that without that check, it reintroduces the issue #2099.

I'd have to think about how to properly solve this.

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[BUG] dcc.Dropdown value does not update when an option is removed (regression from #1868) about dash HOT 1 CLOSED

Comments (1)

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	useEffect(() => {
	if (
	!searchable &&
	!isNil(sanitizedOptions) &&
	optionsCheck !== sanitizedOptions &&
	!isNil(value)
	) {