From e8d38159a08f384b18fb16651a4ccbca407619a2 Mon Sep 17 00:00:00 2001
From: dilipkumar6306316-art <dilipkumar6306316@gmail.com>
Date: Fri, 9 Jan 2026 21:04:53 +0530
Subject: [PATCH 1/2] fix(custom): enable emphasis for custom series with large
 data.

---
 src/chart/custom/CustomView.ts | 31 +++++++++++++++++++++++--------
 1 file changed, 23 insertions(+), 8 deletions(-)

diff --git a/src/chart/custom/CustomView.ts b/src/chart/custom/CustomView.ts
index 3665b1e93a..98af60322a 100644
--- a/src/chart/custom/CustomView.ts
+++ b/src/chart/custom/CustomView.ts
@@ -977,16 +977,31 @@ function createOrUpdateItem(
         return;
     }
     const el = doCreateOrUpdateEl(api, existsEl, dataIndex, elOption, seriesModel, group);
-    el && data.setItemGraphicEl(dataIndex, el);
+el && data.setItemGraphicEl(dataIndex, el);
 
-    el && toggleHoverEmphasis(
-        el,
-        elOption.focus,
-        elOption.blurScope,
-        elOption.emphasisDisabled
-    );
 
-    return el;
+
+//  FIX START
+if (
+    el &&
+    el.states &&
+    el.states.emphasis &&
+    !elOption.emphasisDisabled
+) {
+    el.silent = false;
+    el.ignore = false;
+}
+// FIX END
+
+el && toggleHoverEmphasis(
+    el,
+    elOption.focus,
+    elOption.blurScope,
+    elOption.emphasisDisabled
+);
+
+return el;
+
 }
 
 function doCreateOrUpdateEl(

From 292748e21faf97f3cd709e82ba9808e3cdadac24 Mon Sep 17 00:00:00 2001
From: dilipkumar6306316-art <dilipkumar6306316@gmail.com>
Date: Fri, 9 Jan 2026 21:06:57 +0530
Subject: [PATCH 2/2] fix(custom): enable emphasis for custom series with large
 data.

---
 src/chart/custom/CustomView.ts | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/chart/custom/CustomView.ts b/src/chart/custom/CustomView.ts
index 98af60322a..e51744ac80 100644
--- a/src/chart/custom/CustomView.ts
+++ b/src/chart/custom/CustomView.ts
@@ -983,10 +983,10 @@ el && data.setItemGraphicEl(dataIndex, el);
 
 //  FIX START
 if (
-    el &&
-    el.states &&
-    el.states.emphasis &&
-    !elOption.emphasisDisabled
+    el
+    && el.states
+    && el.states.emphasis
+    && !elOption.emphasisDisabled
 ) {
     el.silent = false;
     el.ignore = false;