plotly
diff --git a/‎NEWS.md
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+4
diff --git a/‎R/shiny.R
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+1-1 b/‎R/shiny.R
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@@ -1,5 +1,9 @@
 # plotly (development version)
 
+## Bug fixes
+
+* Closed #2337: Creating a new `event_data()` handler no longer causes a spurious reactive update of existing `event_data()`s. (#2339)
+
 # 4.10.4
 
 ## Improvements
 
@@ -193,7 +193,7 @@ event_data <- function(
 
   } else {
 
-    eventHasStorage <- eventID %in% names(session$userData$plotlyInputStore)
+    eventHasStorage <- eventID %in% shiny::isolate(names(session$userData$plotlyInputStore))
 
     if (!eventHasStorage) {
       # store input value as a reactive value to leverage caching