plotly · CAOShurong · Aug 24, 2026 · Aug 24, 2026 · Aug 24, 2026
diff --git a/draftlogs/7981_change.md b/draftlogs/7981_change.md
@@ -0,0 +1 @@
+ - Correct the `showspikes` axis attribute description: spikes are not limited to *closest* hovermode, they also render in *x*, *y*, and unified hovermodes [[#7981](https://github.com/plotly/plotly.js/pull/7981)]
diff --git a/src/plots/cartesian/layout_attributes.js b/src/plots/cartesian/layout_attributes.js
@@ -798,7 +798,9 @@ module.exports = {
         editType: 'modebar',
         description: [
             'Determines whether or not spikes (aka droplines) are drawn for this axis.',
-            'Note: This only takes affect when hovermode = closest'
+            'In *closest* hovermode, spikes are only drawn when hovering near a data point.',
+            'In *x*, *y*, *x unified*, and *y unified* hovermodes, spikes are also',
+            'drawn at the current cursor position on the axis.'
         ].join(' ')
     },
     spikecolor: {

diff --git a/test/plot-schema.json b/test/plot-schema.json
@@ -14562,7 +14562,7 @@
           "valType": "boolean"
         },
         "showspikes": {
-          "description": "Determines whether or not spikes (aka droplines) are drawn for this axis. Note: This only takes affect when hovermode = closest",
+          "description": "Determines whether or not spikes (aka droplines) are drawn for this axis. In *closest* hovermode, spikes are only drawn when hovering near a data point. In *x*, *y*, *x unified*, and *y unified* hovermodes, spikes are also drawn at the current cursor position on the axis.",
           "dflt": false,
           "editType": "modebar",
           "valType": "boolean"
@@ -15841,7 +15841,7 @@
           "valType": "boolean"
         },
         "showspikes": {
-          "description": "Determines whether or not spikes (aka droplines) are drawn for this axis. Note: This only takes affect when hovermode = closest",
+          "description": "Determines whether or not spikes (aka droplines) are drawn for this axis. In *closest* hovermode, spikes are only drawn when hovering near a data point. In *x*, *y*, *x unified*, and *y unified* hovermodes, spikes are also drawn at the current cursor position on the axis.",
           "dflt": false,
           "editType": "modebar",
           "valType": "boolean"
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1 @@
		- Correct the `showspikes` axis attribute description: spikes are not limited to closest hovermode, they also render in x, y, and unified hovermodes [[#7981](https://github.com/plotly/plotly.js/pull/7981)]