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Fix slow scattergl hover - #7998

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emilykl wants to merge 2 commits into
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fix-slow-scattergl-hover
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Fix slow scattergl hover#7998
emilykl wants to merge 2 commits into
mainfrom
fix-slow-scattergl-hover

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@emilykl

@emilykl emilykl commented Aug 30, 2026

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Closes #5927, closes #5790

Fixes performance issue where scattergl plots were performing an expensive operation searching all points on hover by default.

The impact is severe for plots with many points (say, >100k; see linked issues for details).

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Scattergl plot is sometimes slow to interact with even with moderate number of points Performance Issues with large data sets since 2.x.x

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