diff --git a/release/maplibre-particle/ios/Package.swift.template b/release/maplibre-particle/ios/Package.swift.template
index d944528d1..dc34a7b25 100644
--- a/release/maplibre-particle/ios/Package.swift.template
+++ b/release/maplibre-particle/ios/Package.swift.template
@@ -9,8 +9,8 @@ let package = Package(
     targets: [
         .binaryTarget(
             name: "MapLibre",
-            url: "https://pbf.jpcn.ccwu.cc/swift/maplibre-particle/6.28.0-particle.19/MapLibre.dynamic.xcframework.zip",
-            checksum: "221c069b6ca073854716799d8593784310d4f0050be9c9d9a88215b352512efd"
+            url: "https://pbf.jpcn.ccwu.cc/swift/maplibre-particle/6.28.0-particle.20/MapLibre.dynamic.xcframework.zip",
+            checksum: "f31468a13356e7a3be10ab5308af65974f4ce2a87573ab7e699c5a1086c78ccd"
         ),
     ]
 )
diff --git a/release/maplibre-particle/ios/README.md b/release/maplibre-particle/ios/README.md
index cf534a550..302dc9dbe 100644
--- a/release/maplibre-particle/ios/README.md
+++ b/release/maplibre-particle/ios/README.md
@@ -1,17 +1,17 @@
 # MapLibre Particle iOS 发行
 
-当前正式发行：6.28.0-particle.19
+当前正式发行：6.28.0-particle.20
 
 - Renderer：Metal
 - Product / Module：MapLibre
-- Binary：https://pbf.jpcn.ccwu.cc/swift/maplibre-particle/6.28.0-particle.19/MapLibre.dynamic.xcframework.zip
-- SHA-256：221c069b6ca073854716799d8593784310d4f0050be9c9d9a88215b352512efd
+- Binary：https://pbf.jpcn.ccwu.cc/swift/maplibre-particle/6.28.0-particle.20/MapLibre.dynamic.xcframework.zip
+- SHA-256：f31468a13356e7a3be10ab5308af65974f4ce2a87573ab7e699c5a1086c78ccd
 - SwiftPM：https://pbf.jpcn.ccwu.cc/swift/maplibre-particle-spm.git
-- Exact Version：6.28.0-particle.19
-- Source Commit：7c5ed27b0b3ae5fe74ab245cbef9dabf913dde4f
+- Exact Version：6.28.0-particle.20
+- Source Commit：a4c6047d7092523ad8aa6c14cb2b2246f4a88b8d
 
 构建命令固定为：
 
-bazel build --//:renderer=metal //platform/ios:MapLibre.dynamic
+bazel build -c opt --//:renderer=metal //platform/ios:MapLibre.dynamic
 
 不得用默认 OpenGL XCFramework 覆盖同版本。新版本必须使用新的 Particle revision。
diff --git a/release/maplibre-particle/ios/release-manifest.json b/release/maplibre-particle/ios/release-manifest.json
index 9dcc5f052..25a3cad12 100644
--- a/release/maplibre-particle/ios/release-manifest.json
+++ b/release/maplibre-particle/ios/release-manifest.json
@@ -1,20 +1,21 @@
 {
   "schemaVersion": 2,
   "status": "PUBLISHED_PUBLIC_READBACK_PASS",
-  "distributionVersion": "6.28.0-particle.19",
+  "distributionVersion": "6.28.0-particle.20",
   "moduleName": "MapLibre",
+  "compilationMode": "opt",
   "artifact": {
     "fileName": "MapLibre.dynamic.xcframework.zip",
-    "sizeBytes": 8480397,
-    "sha256": "221c069b6ca073854716799d8593784310d4f0050be9c9d9a88215b352512efd",
-    "url": "https://pbf.jpcn.ccwu.cc/swift/maplibre-particle/6.28.0-particle.19/MapLibre.dynamic.xcframework.zip"
+    "sizeBytes": 4119687,
+    "sha256": "f31468a13356e7a3be10ab5308af65974f4ce2a87573ab7e699c5a1086c78ccd",
+    "url": "https://pbf.jpcn.ccwu.cc/swift/maplibre-particle/6.28.0-particle.20/MapLibre.dynamic.xcframework.zip"
   },
-  "sourceCommit": "7c5ed27b0b3ae5fe74ab245cbef9dabf913dde4f",
+  "sourceCommit": "a4c6047d7092523ad8aa6c14cb2b2246f4a88b8d",
   "swiftPackage": {
     "url": "https://pbf.jpcn.ccwu.cc/swift/maplibre-particle-spm.git",
     "requirement": "exactVersion",
-    "version": "6.28.0-particle.19",
+    "version": "6.28.0-particle.20",
     "productName": "MapLibre"
   },
-  "notes": "Metal renderer release built with bazel build --//:renderer=metal //platform/ios:MapLibre.dynamic"
+  "notes": "Metal renderer optimized release built with bazel build -c opt --//:renderer=metal //platform/ios:MapLibre.dynamic"
 }
diff --git a/release/maplibre-particle/release-manifest.json b/release/maplibre-particle/release-manifest.json
index 82c745c57..cd4b69169 100644
--- a/release/maplibre-particle/release-manifest.json
+++ b/release/maplibre-particle/release-manifest.json
@@ -1,48 +1,49 @@
 {
   "schemaVersion": 2,
   "releaseState": "PUBLISHED_PUBLIC_READBACK_PASS",
-  "particleRevision": 19,
-  "sourceCommit": "7c5ed27b0b3ae5fe74ab245cbef9dabf913dde4f",
-  "generatedAtUtc": "2026-10-07T07:17:04.530231+00:00",
+  "particleRevision": 20,
+  "sourceCommit": "a4c6047d7092523ad8aa6c14cb2b2246f4a88b8d",
+  "generatedAtUtc": "2026-10-07T12:35:15.522160+00:00",
   "reactNative": {
     "name": "@navsea/maplibre-particle-rn",
-    "version": "13.4.1-particle.19",
+    "version": "13.4.1-particle.20",
     "artifact": {
-      "fileName": "navsea-maplibre-particle-rn-13.4.1-particle.19.tgz",
-      "sizeBytes": 28825,
-      "sha256": "c98f1aef868c671a99556dbdd2518cdaa3a88a3d6133e620e5e8a38080d19b1a",
-      "url": "https://pbf.jpcn.ccwu.cc/npm/navsea-maplibre-particle-rn-13.4.1-particle.19.tgz"
+      "fileName": "navsea-maplibre-particle-rn-13.4.1-particle.20.tgz",
+      "sizeBytes": 28827,
+      "sha256": "fdc19f62cc2ab3c5bd521faa202d05ca69b17057c1afb5d8ce5e15722cc13c58",
+      "url": "https://pbf.jpcn.ccwu.cc/npm/navsea-maplibre-particle-rn-13.4.1-particle.20.tgz"
     },
     "mapLibreReactNative": "11.3.6"
   },
   "android": {
-    "version": "13.4.1-particle.19",
-    "coordinate": "cc.navsea.maplibre:android-sdk-particle-opengl:13.4.1-particle.19",
+    "version": "13.4.1-particle.20",
+    "coordinate": "cc.navsea.maplibre:android-sdk-particle-opengl:13.4.1-particle.20",
     "renderer": "opengl",
     "artifact": {
-      "fileName": "android-sdk-particle-opengl-13.4.1-particle.19.aar",
-      "sizeBytes": 170726451,
-      "sha256": "8ef9de51564aad6d5d8a9678534120cee34d3ee65c41f9f266c29bf057029712",
-      "url": "https://pbf.jpcn.ccwu.cc/maven/cc/navsea/maplibre/android-sdk-particle-opengl/13.4.1-particle.19/android-sdk-particle-opengl-13.4.1-particle.19.aar"
+      "fileName": "android-sdk-particle-opengl-13.4.1-particle.20.aar",
+      "sizeBytes": 170731109,
+      "sha256": "213924d5970a83ce953b7a2be908cfb72419127e8d10cb36949681f7dac16844",
+      "url": "https://pbf.jpcn.ccwu.cc/maven/cc/navsea/maplibre/android-sdk-particle-opengl/13.4.1-particle.20/android-sdk-particle-opengl-13.4.1-particle.20.aar"
     },
     "ndk": "28.2.13676358",
     "gradle": "9.5.1",
     "jdk": "openjdk version \"17.0.20.1\" 2026-08-18"
   },
   "ios": {
-    "distributionVersion": "6.28.0-particle.19",
+    "distributionVersion": "6.28.0-particle.20",
     "renderer": "metal",
+    "compilationMode": "opt",
     "moduleName": "MapLibre",
     "artifact": {
       "fileName": "MapLibre.dynamic.xcframework.zip",
-      "sizeBytes": 8480397,
-      "sha256": "221c069b6ca073854716799d8593784310d4f0050be9c9d9a88215b352512efd",
-      "url": "https://pbf.jpcn.ccwu.cc/swift/maplibre-particle/6.28.0-particle.19/MapLibre.dynamic.xcframework.zip"
+      "sizeBytes": 4119687,
+      "sha256": "f31468a13356e7a3be10ab5308af65974f4ce2a87573ab7e699c5a1086c78ccd",
+      "url": "https://pbf.jpcn.ccwu.cc/swift/maplibre-particle/6.28.0-particle.20/MapLibre.dynamic.xcframework.zip"
     },
     "swiftPackage": {
       "url": "https://pbf.jpcn.ccwu.cc/swift/maplibre-particle-spm.git",
       "requirement": "exactVersion",
-      "version": "6.28.0-particle.19",
+      "version": "6.28.0-particle.20",
       "productName": "MapLibre"
     },
     "xcode": "Xcode 26.3 Build version 17C529 ",