From d7d19f34596a8cdfb26248210b96a5752dab8962 Mon Sep 17 00:00:00 2001
From: unknown <1530904047@qq.com>
Date: Sun, 30 Nov 2025 04:52:03 +0800
Subject: [PATCH 1/3] feat(EntityCluster.js): kdBush 4.0.2 new KdBush() use
 Float64Array

---
 packages/engine/Source/DataSources/EntityCluster.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/engine/Source/DataSources/EntityCluster.js b/packages/engine/Source/DataSources/EntityCluster.js
index ff572aaa975e..7c885d8a937d 100644
--- a/packages/engine/Source/DataSources/EntityCluster.js
+++ b/packages/engine/Source/DataSources/EntityCluster.js
@@ -330,7 +330,7 @@ function createDeclutterCallback(entityCluster) {
     let collectionIndex;
 
     if (points.length > 0) {
-      const index = new KDBush(points.length, 64, Uint32Array);
+      const index = new KDBush(points.length, 64, Float64Array);
       for (let p = 0; p < points.length; ++p) {
         index.add(points[p].coord.x, points[p].coord.y);
       }

From 09e64add01e27cff6ff40defbef35498741a7653 Mon Sep 17 00:00:00 2001
From: unknown <1530904047@qq.com>
Date: Sun, 30 Nov 2025 05:07:41 +0800
Subject: [PATCH 2/3] add kdBUsh

---
 CONTRIBUTORS.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/CONTRIBUTORS.md b/CONTRIBUTORS.md
index 7de84032cb04..baef52a54abd 100644
--- a/CONTRIBUTORS.md
+++ b/CONTRIBUTORS.md
@@ -437,3 +437,4 @@ See [CONTRIBUTING.md](CONTRIBUTING.md) for details on how to contribute to Cesiu
 - [Marco Zhan](https://github.com/marcoYxz)
 - [Mikhail Porotkin](https://github.com/porotkin)
 - [Adam Beili](https://github.com/Beilinson)
+- [陌离](https://github.com/Duan971231)

From fd7cfb35c6142608ae82634c7f74986345b2088b Mon Sep 17 00:00:00 2001
From: unknown <1530904047@qq.com>
Date: Wed, 14 Jan 2026 21:26:35 +0800
Subject: [PATCH 3/3] add Changes.md fixes

---
 CHANGES.md      | 1 +
 CONTRIBUTORS.md | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/CHANGES.md b/CHANGES.md
index 2dc4839e0c31..e89e17a6d999 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -9,6 +9,7 @@
 - Fixes jitter artifacts on Intel Arc GPUs [#12879](https://github.com/CesiumGS/cesium/issues/12879)
 - Fixed label sizing for some fonts and characters [#9767](https://github.com/CesiumGS/cesium/issues/9767)
 - Fixed a type error when accessing the ellipsoid of a viewer [#13123](https://github.com/CesiumGS/cesium/pull/13123)
+- Fixed a bug where entities have not been clustered correctly [#13064](https://github.com/CesiumGS/cesium/pull/13064)
 
 ## 1.137 - 2026-01-05
 
diff --git a/CONTRIBUTORS.md b/CONTRIBUTORS.md
index baef52a54abd..6f8a345c6297 100644
--- a/CONTRIBUTORS.md
+++ b/CONTRIBUTORS.md
@@ -437,4 +437,4 @@ See [CONTRIBUTING.md](CONTRIBUTING.md) for details on how to contribute to Cesiu
 - [Marco Zhan](https://github.com/marcoYxz)
 - [Mikhail Porotkin](https://github.com/porotkin)
 - [Adam Beili](https://github.com/Beilinson)
-- [陌离](https://github.com/Duan971231)
+- [段寒松](https://github.com/Duan971231)