diff --git a/.github/workflows/aarch64-linux-gnu-shared.yaml b/.github/workflows/aarch64-linux-gnu-shared.yaml
index 50ba2c23..5e82d9b3 100644
--- a/.github/workflows/aarch64-linux-gnu-shared.yaml
+++ b/.github/workflows/aarch64-linux-gnu-shared.yaml
@@ -6,7 +6,7 @@ on:
     branches:
       - master
     tags:
-      - '*'
+      - 'v[0-9]+.[0-9]+.[0-9]+*'
     paths:
       - '.github/workflows/aarch64-linux-gnu-shared.yaml'
       - 'CMakeLists.txt'
diff --git a/.github/workflows/aarch64-linux-gnu-static.yaml b/.github/workflows/aarch64-linux-gnu-static.yaml
index 13edc9c1..765e2422 100644
--- a/.github/workflows/aarch64-linux-gnu-static.yaml
+++ b/.github/workflows/aarch64-linux-gnu-static.yaml
@@ -6,7 +6,7 @@ on:
     branches:
       - master
     tags:
-      - '*'
+      - 'v[0-9]+.[0-9]+.[0-9]+*'
     paths:
       - '.github/workflows/aarch64-linux-gnu-static.yaml'
       - 'CMakeLists.txt'
diff --git a/.github/workflows/android.yaml b/.github/workflows/android.yaml
index 69bfe2e3..35dfd6b2 100644
--- a/.github/workflows/android.yaml
+++ b/.github/workflows/android.yaml
@@ -12,7 +12,7 @@ on:
       - 'sherpa-onnx/jni/*'
       - 'build-android*.sh'
     tags:
-      - '*'
+      - 'v[0-9]+.[0-9]+.[0-9]+*'
   pull_request:
     branches:
       - master
diff --git a/.github/workflows/apk-asr-2pass.yaml b/.github/workflows/apk-asr-2pass.yaml
index a79a28af..1e781694 100644
--- a/.github/workflows/apk-asr-2pass.yaml
+++ b/.github/workflows/apk-asr-2pass.yaml
@@ -3,7 +3,7 @@ name: apk-asr-2pass
 on:
   push:
     tags:
-      - '*'
+      - 'v[0-9]+.[0-9]+.[0-9]+*'
 
   workflow_dispatch:
 
diff --git a/.github/workflows/apk-asr.yaml b/.github/workflows/apk-asr.yaml
index d381cb1a..69490cc8 100644
--- a/.github/workflows/apk-asr.yaml
+++ b/.github/workflows/apk-asr.yaml
@@ -3,7 +3,7 @@ name: apk-asr
 on:
   push:
     tags:
-      - '*'
+      - 'v[0-9]+.[0-9]+.[0-9]+*'
 
   workflow_dispatch:
 
diff --git a/.github/workflows/apk-audio-tagging-wearos.yaml b/.github/workflows/apk-audio-tagging-wearos.yaml
index b2d2d959..577b79ac 100644
--- a/.github/workflows/apk-audio-tagging-wearos.yaml
+++ b/.github/workflows/apk-audio-tagging-wearos.yaml
@@ -3,7 +3,7 @@ name: apk-audio-tagging-wearos
 on:
   push:
     tags:
-      - '*'
+      - 'v[0-9]+.[0-9]+.[0-9]+*'
 
   workflow_dispatch:
 
diff --git a/.github/workflows/apk-audio-tagging.yaml b/.github/workflows/apk-audio-tagging.yaml
index db739021..efd71037 100644
--- a/.github/workflows/apk-audio-tagging.yaml
+++ b/.github/workflows/apk-audio-tagging.yaml
@@ -3,7 +3,7 @@ name: apk-audio-tagging
 on:
   push:
     tags:
-      - '*'
+      - 'v[0-9]+.[0-9]+.[0-9]+*'
 
   workflow_dispatch:
 
diff --git a/.github/workflows/apk-kws.yaml b/.github/workflows/apk-kws.yaml
index 8c348e5a..5629c5d0 100644
--- a/.github/workflows/apk-kws.yaml
+++ b/.github/workflows/apk-kws.yaml
@@ -3,7 +3,7 @@ name: apk-kws
 on:
   push:
     tags:
-      - '*'
+      - 'v[0-9]+.[0-9]+.[0-9]+*'
 
   workflow_dispatch:
 
diff --git a/.github/workflows/apk-speaker-identification.yaml b/.github/workflows/apk-speaker-identification.yaml
index 2d674c78..ecaf0697 100644
--- a/.github/workflows/apk-speaker-identification.yaml
+++ b/.github/workflows/apk-speaker-identification.yaml
@@ -3,7 +3,7 @@ name: apk-speaker-identification
 on:
   push:
     tags:
-      - '*'
+      - 'v[0-9]+.[0-9]+.[0-9]+*'
 
   workflow_dispatch:
 
diff --git a/.github/workflows/apk-spoken-language-identification.yaml b/.github/workflows/apk-spoken-language-identification.yaml
index dd432215..ad63dde6 100644
--- a/.github/workflows/apk-spoken-language-identification.yaml
+++ b/.github/workflows/apk-spoken-language-identification.yaml
@@ -3,7 +3,7 @@ name: apk-slid
 on:
   push:
     tags:
-      - '*'
+      - 'v[0-9]+.[0-9]+.[0-9]+*'
 
   workflow_dispatch:
 
diff --git a/.github/workflows/apk-tts-engine.yaml b/.github/workflows/apk-tts-engine.yaml
index 89013a59..d225df02 100644
--- a/.github/workflows/apk-tts-engine.yaml
+++ b/.github/workflows/apk-tts-engine.yaml
@@ -3,7 +3,7 @@ name: apk-tts-engine
 on:
   push:
     tags:
-      - '*'
+      - 'v[0-9]+.[0-9]+.[0-9]+*'
 
   workflow_dispatch:
 
diff --git a/.github/workflows/apk-tts.yaml b/.github/workflows/apk-tts.yaml
index 1b51368e..60ae9c72 100644
--- a/.github/workflows/apk-tts.yaml
+++ b/.github/workflows/apk-tts.yaml
@@ -3,7 +3,7 @@ name: apk-tts
 on:
   push:
     tags:
-      - '*'
+      - 'v[0-9]+.[0-9]+.[0-9]+*'
 
   workflow_dispatch:
 
diff --git a/.github/workflows/apk-vad-asr.yaml b/.github/workflows/apk-vad-asr.yaml
index aea8028d..574b4bf1 100644
--- a/.github/workflows/apk-vad-asr.yaml
+++ b/.github/workflows/apk-vad-asr.yaml
@@ -3,7 +3,7 @@ name: apk-vad-asr
 on:
   push:
     tags:
-      - '*'
+      - 'v[0-9]+.[0-9]+.[0-9]+*'
 
   workflow_dispatch:
 
diff --git a/.github/workflows/apk-vad.yaml b/.github/workflows/apk-vad.yaml
index ddd8c6af..6d5259a7 100644
--- a/.github/workflows/apk-vad.yaml
+++ b/.github/workflows/apk-vad.yaml
@@ -3,7 +3,7 @@ name: apk-vad
 on:
   push:
     tags:
-      - '*'
+      - 'v[0-9]+.[0-9]+.[0-9]+*'
 
   workflow_dispatch:
 
diff --git a/.github/workflows/arm-linux-gnueabihf.yaml b/.github/workflows/arm-linux-gnueabihf.yaml
index 26945681..c260c5a0 100644
--- a/.github/workflows/arm-linux-gnueabihf.yaml
+++ b/.github/workflows/arm-linux-gnueabihf.yaml
@@ -13,7 +13,7 @@ on:
       - 'sherpa-onnx/c-api/*'
       - 'toolchains/arm-linux-gnueabihf.toolchain.cmake'
     tags:
-      - '*'
+      - 'v[0-9]+.[0-9]+.[0-9]+*'
   pull_request:
     branches:
       - master
diff --git a/.github/workflows/build-wheels-aarch64.yaml b/.github/workflows/build-wheels-aarch64.yaml
index 971324e9..4bc5b79c 100644
--- a/.github/workflows/build-wheels-aarch64.yaml
+++ b/.github/workflows/build-wheels-aarch64.yaml
@@ -3,7 +3,7 @@ name: build-wheels-aarch64
 on:
   push:
     tags:
-      - '*'
+      - 'v[0-9]+.[0-9]+.[0-9]+*'
   workflow_dispatch:
 
 env:
diff --git a/.github/workflows/build-wheels-armv7l.yaml b/.github/workflows/build-wheels-armv7l.yaml
index a720a39f..6b7d7446 100644
--- a/.github/workflows/build-wheels-armv7l.yaml
+++ b/.github/workflows/build-wheels-armv7l.yaml
@@ -3,7 +3,7 @@ name: build-wheels-armv7l
 on:
   push:
     tags:
-      - '*'
+      - 'v[0-9]+.[0-9]+.[0-9]+*'
   workflow_dispatch:
 
 env:
diff --git a/.github/workflows/build-wheels-linux.yaml b/.github/workflows/build-wheels-linux.yaml
index 7a4f5901..42654562 100644
--- a/.github/workflows/build-wheels-linux.yaml
+++ b/.github/workflows/build-wheels-linux.yaml
@@ -3,7 +3,7 @@ name: build-wheels-linux
 on:
   push:
     tags:
-      - '*'
+      - 'v[0-9]+.[0-9]+.[0-9]+*'
   workflow_dispatch:
 
 env:
diff --git a/.github/workflows/build-wheels-macos-arm64.yaml b/.github/workflows/build-wheels-macos-arm64.yaml
index c31d92bf..bc02ce38 100644
--- a/.github/workflows/build-wheels-macos-arm64.yaml
+++ b/.github/workflows/build-wheels-macos-arm64.yaml
@@ -3,7 +3,7 @@ name: build-wheels-macos-arm64
 on:
   push:
     tags:
-      - '*'
+      - 'v[0-9]+.[0-9]+.[0-9]+*'
   workflow_dispatch:
 
 env:
diff --git a/.github/workflows/build-wheels-macos-universal2.yaml b/.github/workflows/build-wheels-macos-universal2.yaml
index d08a9307..2ffaf93c 100644
--- a/.github/workflows/build-wheels-macos-universal2.yaml
+++ b/.github/workflows/build-wheels-macos-universal2.yaml
@@ -5,7 +5,7 @@ on:
     branches:
       - wheel
     tags:
-      - '*'
+      - 'v[0-9]+.[0-9]+.[0-9]+*'
   workflow_dispatch:
 
 env:
diff --git a/.github/workflows/build-wheels-macos-x64.yaml b/.github/workflows/build-wheels-macos-x64.yaml
index 250ef76c..8ad21d0e 100644
--- a/.github/workflows/build-wheels-macos-x64.yaml
+++ b/.github/workflows/build-wheels-macos-x64.yaml
@@ -5,7 +5,7 @@ on:
     branches:
       - wheel
     tags:
-      - '*'
+      - 'v[0-9]+.[0-9]+.[0-9]+*'
   workflow_dispatch:
 
 env:
diff --git a/.github/workflows/build-wheels-win32.yaml b/.github/workflows/build-wheels-win32.yaml
index 752fbef3..ab3d32b1 100644
--- a/.github/workflows/build-wheels-win32.yaml
+++ b/.github/workflows/build-wheels-win32.yaml
@@ -3,7 +3,7 @@ name: build-wheels-win32
 on:
   push:
     tags:
-      - '*'
+      - 'v[0-9]+.[0-9]+.[0-9]+*'
   workflow_dispatch:
 
 env:
diff --git a/.github/workflows/build-wheels-win64.yaml b/.github/workflows/build-wheels-win64.yaml
index ee9f020a..7e7d810d 100644
--- a/.github/workflows/build-wheels-win64.yaml
+++ b/.github/workflows/build-wheels-win64.yaml
@@ -5,7 +5,7 @@ on:
     branches:
       - wheel
     tags:
-      - '*'
+      - 'v[0-9]+.[0-9]+.[0-9]+*'
   workflow_dispatch:
 
 env:
diff --git a/.github/workflows/build-xcframework.yaml b/.github/workflows/build-xcframework.yaml
index f6d0dce7..2afd95ca 100644
--- a/.github/workflows/build-xcframework.yaml
+++ b/.github/workflows/build-xcframework.yaml
@@ -12,7 +12,7 @@ on:
       - 'sherpa-onnx/csrc/*'
       - 'sherpa-onnx/c-api/*'
     tags:
-      - '*'
+      - 'v[0-9]+.[0-9]+.[0-9]+*'
   pull_request:
     branches:
       - master
diff --git a/.github/workflows/flutter-linux.yaml b/.github/workflows/flutter-linux.yaml
index a74f4500..ca665fd8 100644
--- a/.github/workflows/flutter-linux.yaml
+++ b/.github/workflows/flutter-linux.yaml
@@ -5,7 +5,7 @@ on:
     branches:
       - flutter
     tags:
-      - '*'
+      - 'v[0-9]+.[0-9]+.[0-9]+*'
     paths:
       - '.github/workflows/flutter-linux.yaml'
       - 'CMakeLists.txt'
diff --git a/.github/workflows/flutter-macos.yaml b/.github/workflows/flutter-macos.yaml
index 25a53d89..d92d3087 100644
--- a/.github/workflows/flutter-macos.yaml
+++ b/.github/workflows/flutter-macos.yaml
@@ -5,7 +5,7 @@ on:
     branches:
       - flutter
     tags:
-      - '*'
+      - 'v[0-9]+.[0-9]+.[0-9]+*'
     paths:
       - '.github/workflows/flutter-macos.yaml'
       - 'CMakeLists.txt'
diff --git a/.github/workflows/flutter-windows-x64.yaml b/.github/workflows/flutter-windows-x64.yaml
index cfe54b05..ce4e7456 100644
--- a/.github/workflows/flutter-windows-x64.yaml
+++ b/.github/workflows/flutter-windows-x64.yaml
@@ -5,7 +5,7 @@ on:
     branches:
       - flutter
     tags:
-      - '*'
+      - 'v[0-9]+.[0-9]+.[0-9]+*'
     paths:
       - '.github/workflows/flutter-windows-x64.yaml'
       - 'CMakeLists.txt'
diff --git a/.github/workflows/linux-gpu.yaml b/.github/workflows/linux-gpu.yaml
index bccde739..3f6052e6 100644
--- a/.github/workflows/linux-gpu.yaml
+++ b/.github/workflows/linux-gpu.yaml
@@ -5,7 +5,7 @@ on:
     branches:
       - master
     tags:
-      - '*'
+      - 'v[0-9]+.[0-9]+.[0-9]+*'
     paths:
       - '.github/workflows/linux-gpu.yaml'
       - '.github/scripts/test-online-transducer.sh'
diff --git a/.github/workflows/linux.yaml b/.github/workflows/linux.yaml
index 861a2df0..3d95d3c5 100644
--- a/.github/workflows/linux.yaml
+++ b/.github/workflows/linux.yaml
@@ -5,7 +5,7 @@ on:
     branches:
       - master
     tags:
-      - '*'
+      - 'v[0-9]+.[0-9]+.[0-9]+*'
     paths:
       - '.github/workflows/linux.yaml'
       - '.github/scripts/test-kws.sh'
diff --git a/.github/workflows/macos.yaml b/.github/workflows/macos.yaml
index 1c7fe2ee..cb88c853 100644
--- a/.github/workflows/macos.yaml
+++ b/.github/workflows/macos.yaml
@@ -5,7 +5,7 @@ on:
     branches:
       - master
     tags:
-      - '*'
+      - 'v[0-9]+.[0-9]+.[0-9]+*'
     paths:
       - '.github/workflows/macos.yaml'
       - '.github/scripts/test-kws.sh'
diff --git a/.github/workflows/mfc.yaml b/.github/workflows/mfc.yaml
index 197386bb..e501478a 100644
--- a/.github/workflows/mfc.yaml
+++ b/.github/workflows/mfc.yaml
@@ -5,7 +5,7 @@ on:
     branches:
       - master
     tags:
-      - '*'
+      - 'v[0-9]+.[0-9]+.[0-9]+*'
     paths:
       - '.github/workflows/mfc.yaml'
       - 'CMakeLists.txt'
diff --git a/.github/workflows/pkg-config.yaml b/.github/workflows/pkg-config.yaml
index b1b24218..57ed8a21 100644
--- a/.github/workflows/pkg-config.yaml
+++ b/.github/workflows/pkg-config.yaml
@@ -6,7 +6,7 @@ on:
       - master
       - pkg-config
     tags:
-      - '*'
+      - 'v[0-9]+.[0-9]+.[0-9]+*'
     paths:
       - '.github/workflows/pkg-config.yaml'
       - '.github/scripts/test-offline-tts.sh'
diff --git a/.github/workflows/release-dart-package.yaml b/.github/workflows/release-dart-package.yaml
index 9ed4d015..9f577ed2 100644
--- a/.github/workflows/release-dart-package.yaml
+++ b/.github/workflows/release-dart-package.yaml
@@ -5,7 +5,7 @@ on:
     branches:
       - ci-pub-dart
     tags:
-      - 'v[0-9]+.[0-9]+.[0-9]+*' # tag-pattern on pub.dev: 'v{{version}}'
+      - 'dart-v[0-9]+.[0-9]+.[0-9]+*' # tag-pattern on pub.dev: 'v{{version}}'
 
   workflow_dispatch:
 
diff --git a/.github/workflows/riscv64-linux.yaml b/.github/workflows/riscv64-linux.yaml
index 5393e973..acae80e4 100644
--- a/.github/workflows/riscv64-linux.yaml
+++ b/.github/workflows/riscv64-linux.yaml
@@ -13,7 +13,7 @@ on:
       - 'toolchains/riscv64-linux-gnu.toolchain.cmake'
       - 'build-riscv64-linux-gnu.sh'
     tags:
-      - '*'
+      - 'v[0-9]+.[0-9]+.[0-9]+*'
   pull_request:
     branches:
       - master
diff --git a/.github/workflows/windows-arm64.yaml b/.github/workflows/windows-arm64.yaml
index 4fb85a9e..9b56c7b2 100644
--- a/.github/workflows/windows-arm64.yaml
+++ b/.github/workflows/windows-arm64.yaml
@@ -5,7 +5,7 @@ on:
     branches:
       - master
     tags:
-      - '*'
+      - 'v[0-9]+.[0-9]+.[0-9]+*'
     paths:
       - '.github/workflows/windows-arm64.yaml'
       - 'CMakeLists.txt'
diff --git a/.github/workflows/windows-x64-cuda.yaml b/.github/workflows/windows-x64-cuda.yaml
index 0672065c..557d1d34 100644
--- a/.github/workflows/windows-x64-cuda.yaml
+++ b/.github/workflows/windows-x64-cuda.yaml
@@ -5,7 +5,7 @@ on:
     branches:
       - master
     tags:
-      - '*'
+      - 'v[0-9]+.[0-9]+.[0-9]+*'
     paths:
       - '.github/workflows/windows-x64-cuda.yaml'
       - '.github/scripts/test-online-transducer.sh'
diff --git a/.github/workflows/windows-x64-debug.yaml b/.github/workflows/windows-x64-debug.yaml
index fd4e1dd1..50176324 100644
--- a/.github/workflows/windows-x64-debug.yaml
+++ b/.github/workflows/windows-x64-debug.yaml
@@ -5,7 +5,7 @@ on:
     branches:
       - master
     tags:
-      - '*'
+      - 'v[0-9]+.[0-9]+.[0-9]+*'
     paths:
       - '.github/workflows/windows-x64-debug.yaml'
       - '.github/scripts/test-online-transducer.sh'
diff --git a/.github/workflows/windows-x64.yaml b/.github/workflows/windows-x64.yaml
index d1e0a2d4..ebd61866 100644
--- a/.github/workflows/windows-x64.yaml
+++ b/.github/workflows/windows-x64.yaml
@@ -5,7 +5,7 @@ on:
     branches:
       - master
     tags:
-      - '*'
+      - 'v[0-9]+.[0-9]+.[0-9]+*'
     paths:
       - '.github/workflows/windows-x64.yaml'
       - '.github/scripts/test-online-transducer.sh'
diff --git a/.github/workflows/windows-x86-debug.yaml b/.github/workflows/windows-x86-debug.yaml
index 0b56e157..03dce165 100644
--- a/.github/workflows/windows-x86-debug.yaml
+++ b/.github/workflows/windows-x86-debug.yaml
@@ -5,7 +5,7 @@ on:
     branches:
       - master
     tags:
-      - '*'
+      - 'v[0-9]+.[0-9]+.[0-9]+*'
     paths:
       - '.github/workflows/windows-x86-debug.yaml'
       - '.github/scripts/test-online-transducer.sh'
diff --git a/.github/workflows/windows-x86.yaml b/.github/workflows/windows-x86.yaml
index 1230b20a..44321114 100644
--- a/.github/workflows/windows-x86.yaml
+++ b/.github/workflows/windows-x86.yaml
@@ -5,7 +5,7 @@ on:
     branches:
       - master
     tags:
-      - '*'
+      - 'v[0-9]+.[0-9]+.[0-9]+*'
     paths:
       - '.github/workflows/windows-x86.yaml'
       - '.github/scripts/test-online-transducer.sh'
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4c1f6641..974dd1c8 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -7,7 +7,7 @@ project(sherpa-onnx)
 # Remember to update
 # ./nodejs-addon-examples
 # ./dart-api-examples/
-set(SHERPA_ONNX_VERSION "1.9.29")
+set(SHERPA_ONNX_VERSION "1.9.30")
 
 # Disable warning about
 #
diff --git a/dart-api-examples/non-streaming-asr/pubspec.yaml b/dart-api-examples/non-streaming-asr/pubspec.yaml
index 61dbe71f..9253f105 100644
--- a/dart-api-examples/non-streaming-asr/pubspec.yaml
+++ b/dart-api-examples/non-streaming-asr/pubspec.yaml
@@ -10,7 +10,7 @@ environment:
 
 # Add regular dependencies here.
 dependencies:
-  sherpa_onnx: ^1.9.29
+  sherpa_onnx: ^1.9.30
   path: ^1.9.0
   args: ^2.5.0
 
diff --git a/dart-api-examples/streaming-asr/pubspec.yaml b/dart-api-examples/streaming-asr/pubspec.yaml
index 372fbf6e..a740b371 100644
--- a/dart-api-examples/streaming-asr/pubspec.yaml
+++ b/dart-api-examples/streaming-asr/pubspec.yaml
@@ -11,7 +11,7 @@ environment:
 
 # Add regular dependencies here.
 dependencies:
-  sherpa_onnx: ^1.9.29
+  sherpa_onnx: ^1.9.30
   path: ^1.9.0
   args: ^2.5.0
 
diff --git a/dart-api-examples/tts/pubspec.yaml b/dart-api-examples/tts/pubspec.yaml
index 205ef9b0..fed0bf4e 100644
--- a/dart-api-examples/tts/pubspec.yaml
+++ b/dart-api-examples/tts/pubspec.yaml
@@ -8,7 +8,7 @@ environment:
 
 # Add regular dependencies here.
 dependencies:
-  sherpa_onnx: ^1.9.29
+  sherpa_onnx: ^1.9.30
   path: ^1.9.0
   args: ^2.5.0
 
diff --git a/dart-api-examples/vad/pubspec.yaml b/dart-api-examples/vad/pubspec.yaml
index 54c13e0f..e0d6f6dc 100644
--- a/dart-api-examples/vad/pubspec.yaml
+++ b/dart-api-examples/vad/pubspec.yaml
@@ -9,7 +9,7 @@ environment:
   sdk: ^3.4.0
 
 dependencies:
-  sherpa_onnx: ^1.9.29
+  sherpa_onnx: ^1.9.30
   path: ^1.9.0
   args: ^2.5.0
 
diff --git a/nodejs-addon-examples/package.json b/nodejs-addon-examples/package.json
index 55298ec9..28d846a1 100644
--- a/nodejs-addon-examples/package.json
+++ b/nodejs-addon-examples/package.json
@@ -1,5 +1,5 @@
 {
   "dependencies": {
-    "sherpa-onnx-node": "^1.9.29"
+    "sherpa-onnx-node": "^1.9.30"
   }
 }
diff --git a/scripts/dart/release.sh b/scripts/dart/release.sh
index 78b80ae6..d1d72836 100755
--- a/scripts/dart/release.sh
+++ b/scripts/dart/release.sh
@@ -27,7 +27,7 @@ HF_MIRROR=hf.co
 linux_wheel_filename=sherpa_onnx-${SHERPA_ONNX_VERSION}-cp38-cp38-manylinux_2_17_x86_64.manylinux2014_x86_64.whl
 linux_wheel=$src_dir/$linux_wheel_filename
 
-macos_wheel_filename=sherpa_onnx-${SHERPA_ONNX_VERSION}-cp39-cp39-macosx_10_14_universal2.whl
+macos_wheel_filename=sherpa_onnx-${SHERPA_ONNX_VERSION}-cp39-cp39-macosx_11_0_universal2.whl
 macos_wheel=$src_dir/$macos_wheel_filename
 
 windows_x64_wheel_filename=sherpa_onnx-${SHERPA_ONNX_VERSION}-cp38-cp38-win_amd64.whl
diff --git a/sherpa-onnx/flutter/CHANGELOG.md b/sherpa-onnx/flutter/CHANGELOG.md
index 1e583389..5f912155 100644
--- a/sherpa-onnx/flutter/CHANGELOG.md
+++ b/sherpa-onnx/flutter/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 1.9.30
+
+* Add TTS
+
 ## 1.9.29
 
 * Publish with CI
diff --git a/sherpa-onnx/flutter/lib/sherpa_onnx.dart b/sherpa-onnx/flutter/lib/sherpa_onnx.dart
index 8cf2b16c..0a244561 100644
--- a/sherpa-onnx/flutter/lib/sherpa_onnx.dart
+++ b/sherpa-onnx/flutter/lib/sherpa_onnx.dart
@@ -25,7 +25,7 @@ final DynamicLibrary _dylib = () {
     if (_path == null) {
       return DynamicLibrary.open('libsherpa-onnx-c-api.dylib');
     } else {
-      return DynamicLibrary.open('${_path}/libsherpa-onnx-c-api.dylib');
+      return DynamicLibrary.open('$_path/libsherpa-onnx-c-api.dylib');
     }
   }
 
@@ -33,7 +33,7 @@ final DynamicLibrary _dylib = () {
     if (_path == null) {
       return DynamicLibrary.open('libsherpa-onnx-c-api.so');
     } else {
-      return DynamicLibrary.open('${_path}/libsherpa-onnx-c-api.so');
+      return DynamicLibrary.open('$_path/libsherpa-onnx-c-api.so');
     }
   }
 
@@ -41,7 +41,7 @@ final DynamicLibrary _dylib = () {
     if (_path == null) {
       return DynamicLibrary.open('sherpa-onnx-c-api.dll');
     } else {
-      return DynamicLibrary.open('${_path}\\sherpa-onnx-c-api.dll');
+      return DynamicLibrary.open('$_path\\sherpa-onnx-c-api.dll');
     }
   }
 
diff --git a/sherpa-onnx/flutter/lib/src/online_stream.dart b/sherpa-onnx/flutter/lib/src/online_stream.dart
index 29b19622..e1f61e15 100644
--- a/sherpa-onnx/flutter/lib/src/online_stream.dart
+++ b/sherpa-onnx/flutter/lib/src/online_stream.dart
@@ -34,7 +34,7 @@ class OnlineStream {
   }
 
   void inputFinished() {
-    SherpaOnnxBindings.onlineStreamInputFinished?.call(this.ptr);
+    SherpaOnnxBindings.onlineStreamInputFinished?.call(ptr);
   }
 
   Pointer<SherpaOnnxOnlineStream> ptr;
diff --git a/sherpa-onnx/flutter/lib/src/speaker_identification.dart b/sherpa-onnx/flutter/lib/src/speaker_identification.dart
index 0e01044f..5c2e1074 100644
--- a/sherpa-onnx/flutter/lib/src/speaker_identification.dart
+++ b/sherpa-onnx/flutter/lib/src/speaker_identification.dart
@@ -71,7 +71,7 @@ class SpeakerEmbeddingExtractor {
 
   bool isReady(OnlineStream stream) {
     final int ready = SherpaOnnxBindings.speakerEmbeddingExtractorIsReady
-            ?.call(this.ptr, stream.ptr) ??
+            ?.call(ptr, stream.ptr) ??
         0;
     return ready == 1;
   }
@@ -79,15 +79,15 @@ class SpeakerEmbeddingExtractor {
   Float32List compute(OnlineStream stream) {
     final Pointer<Float> embedding = SherpaOnnxBindings
             .speakerEmbeddingExtractorComputeEmbedding
-            ?.call(this.ptr, stream.ptr) ??
+            ?.call(ptr, stream.ptr) ??
         nullptr;
 
     if (embedding == nullptr) {
       return Float32List(0);
     }
 
-    final embeddingList = embedding.asTypedList(this.dim);
-    final ans = Float32List(this.dim);
+    final embeddingList = embedding.asTypedList(dim);
+    final ans = Float32List(dim);
     ans.setAll(0, embeddingList);
 
     SherpaOnnxBindings.speakerEmbeddingExtractorDestroyEmbedding
@@ -111,13 +111,13 @@ class SpeakerEmbeddingManager {
   }
 
   void free() {
-    SherpaOnnxBindings.destroySpeakerEmbeddingManager?.call(this.ptr);
-    this.ptr = nullptr;
+    SherpaOnnxBindings.destroySpeakerEmbeddingManager?.call(ptr);
+    ptr = nullptr;
   }
 
   /// Return true if added successfully; return false otherwise
   bool add({required String name, required Float32List embedding}) {
-    assert(embedding.length == this.dim, '${embedding.length} vs ${this.dim}');
+    assert(embedding.length == dim, '${embedding.length} vs $dim');
 
     final Pointer<Utf8> namePtr = name.toNativeUtf8();
     final int n = embedding.length;
@@ -126,9 +126,9 @@ class SpeakerEmbeddingManager {
     final pList = p.asTypedList(n);
     pList.setAll(0, embedding);
 
-    final int ok = SherpaOnnxBindings.speakerEmbeddingManagerAdd
-            ?.call(this.ptr, namePtr, p) ??
-        0;
+    final int ok =
+        SherpaOnnxBindings.speakerEmbeddingManagerAdd?.call(ptr, namePtr, p) ??
+            0;
 
     calloc.free(p);
     calloc.free(namePtr);
@@ -141,19 +141,19 @@ class SpeakerEmbeddingManager {
     final Pointer<Utf8> namePtr = name.toNativeUtf8();
     final int n = embeddingList.length;
 
-    final Pointer<Float> p = calloc<Float>(n * this.dim);
-    final pList = p.asTypedList(n * this.dim);
+    final Pointer<Float> p = calloc<Float>(n * dim);
+    final pList = p.asTypedList(n * dim);
 
     int offset = 0;
     for (final e in embeddingList) {
-      assert(e.length == this.dim, '${e.length} vs ${this.dim}');
+      assert(e.length == dim, '${e.length} vs $dim');
 
       pList.setAll(offset, e);
-      offset += this.dim;
+      offset += dim;
     }
 
     final int ok = SherpaOnnxBindings.speakerEmbeddingManagerAddListFlattened
-            ?.call(this.ptr, namePtr, p, n) ??
+            ?.call(ptr, namePtr, p, n) ??
         0;
 
     calloc.free(p);
@@ -166,7 +166,7 @@ class SpeakerEmbeddingManager {
     final Pointer<Utf8> namePtr = name.toNativeUtf8();
 
     final int found = SherpaOnnxBindings.speakerEmbeddingManagerContains
-            ?.call(this.ptr, namePtr) ??
+            ?.call(ptr, namePtr) ??
         0;
 
     calloc.free(namePtr);
@@ -177,9 +177,9 @@ class SpeakerEmbeddingManager {
   bool remove(String name) {
     final Pointer<Utf8> namePtr = name.toNativeUtf8();
 
-    final int ok = SherpaOnnxBindings.speakerEmbeddingManagerRemove
-            ?.call(this.ptr, namePtr) ??
-        0;
+    final int ok =
+        SherpaOnnxBindings.speakerEmbeddingManagerRemove?.call(ptr, namePtr) ??
+            0;
 
     calloc.free(namePtr);
 
@@ -188,14 +188,14 @@ class SpeakerEmbeddingManager {
 
   /// Return an empty string if no speaker is found
   String search({required Float32List embedding, required double threshold}) {
-    assert(embedding.length == this.dim);
+    assert(embedding.length == dim);
 
-    final Pointer<Float> p = calloc<Float>(this.dim);
-    final pList = p.asTypedList(this.dim);
+    final Pointer<Float> p = calloc<Float>(dim);
+    final pList = p.asTypedList(dim);
     pList.setAll(0, embedding);
 
     final Pointer<Utf8> name = SherpaOnnxBindings.speakerEmbeddingManagerSearch
-            ?.call(this.ptr, p, threshold) ??
+            ?.call(ptr, p, threshold) ??
         nullptr;
 
     calloc.free(p);
@@ -215,16 +215,16 @@ class SpeakerEmbeddingManager {
       {required String name,
       required Float32List embedding,
       required double threshold}) {
-    assert(embedding.length == this.dim);
+    assert(embedding.length == dim);
 
     final Pointer<Utf8> namePtr = name.toNativeUtf8();
 
-    final Pointer<Float> p = calloc<Float>(this.dim);
-    final pList = p.asTypedList(this.dim);
+    final Pointer<Float> p = calloc<Float>(dim);
+    final pList = p.asTypedList(dim);
     pList.setAll(0, embedding);
 
     final int ok = SherpaOnnxBindings.speakerEmbeddingManagerVerify
-            ?.call(this.ptr, namePtr, p, threshold) ??
+            ?.call(ptr, namePtr, p, threshold) ??
         0;
 
     calloc.free(p);
@@ -234,19 +234,17 @@ class SpeakerEmbeddingManager {
   }
 
   int get numSpeakers =>
-      SherpaOnnxBindings.speakerEmbeddingManagerNumSpeakers?.call(this.ptr) ??
-      0;
+      SherpaOnnxBindings.speakerEmbeddingManagerNumSpeakers?.call(ptr) ?? 0;
 
   List<String> get allSpeakerNames {
-    int n = this.numSpeakers;
+    int n = numSpeakers;
     if (n == 0) {
       return <String>[];
     }
 
-    final Pointer<Pointer<Utf8>> names = SherpaOnnxBindings
-            .speakerEmbeddingManagerGetAllSpeakers
-            ?.call(this.ptr) ??
-        nullptr;
+    final Pointer<Pointer<Utf8>> names =
+        SherpaOnnxBindings.speakerEmbeddingManagerGetAllSpeakers?.call(ptr) ??
+            nullptr;
 
     if (names == nullptr) {
       return <String>[];
diff --git a/sherpa-onnx/flutter/lib/src/tts.dart b/sherpa-onnx/flutter/lib/src/tts.dart
index 76e00a44..ad304df2 100644
--- a/sherpa-onnx/flutter/lib/src/tts.dart
+++ b/sherpa-onnx/flutter/lib/src/tts.dart
@@ -1,5 +1,4 @@
 // Copyright (c)  2024  Xiaomi Corporation
-import 'dart:convert';
 import 'dart:ffi';
 import 'dart:typed_data';
 
@@ -184,11 +183,10 @@ class OfflineTts {
     return GeneratedAudio(samples: newSamples, sampleRate: sampleRate);
   }
 
-  int get sampleRate =>
-      SherpaOnnxBindings.offlineTtsSampleRate?.call(this.ptr) ?? 0;
+  int get sampleRate => SherpaOnnxBindings.offlineTtsSampleRate?.call(ptr) ?? 0;
 
   int get numSpeakers =>
-      SherpaOnnxBindings.offlineTtsNumSpeakers?.call(this.ptr) ?? 0;
+      SherpaOnnxBindings.offlineTtsNumSpeakers?.call(ptr) ?? 0;
 
   Pointer<SherpaOnnxOfflineTts> ptr;
   OfflineTtsConfig config;
diff --git a/sherpa-onnx/flutter/lib/src/vad.dart b/sherpa-onnx/flutter/lib/src/vad.dart
index 7f8b412a..6c36cd8f 100644
--- a/sherpa-onnx/flutter/lib/src/vad.dart
+++ b/sherpa-onnx/flutter/lib/src/vad.dart
@@ -76,14 +76,14 @@ class CircularBuffer {
     final pList = p.asTypedList(n);
     pList.setAll(0, data);
 
-    SherpaOnnxBindings.circularBufferPush?.call(this.ptr, p, n);
+    SherpaOnnxBindings.circularBufferPush?.call(ptr, p, n);
 
     calloc.free(p);
   }
 
   Float32List get({required int startIndex, required int n}) {
     final Pointer<Float> p =
-        SherpaOnnxBindings.circularBufferGet?.call(this.ptr, startIndex, n) ??
+        SherpaOnnxBindings.circularBufferGet?.call(ptr, startIndex, n) ??
             nullptr;
 
     if (p == nullptr) {
@@ -99,11 +99,11 @@ class CircularBuffer {
   }
 
   void pop(int n) {
-    SherpaOnnxBindings.circularBufferPop?.call(this.ptr, n);
+    SherpaOnnxBindings.circularBufferPop?.call(ptr, n);
   }
 
   void reset() {
-    SherpaOnnxBindings.circularBufferReset?.call(this.ptr);
+    SherpaOnnxBindings.circularBufferReset?.call(ptr);
   }
 
   int get size => SherpaOnnxBindings.circularBufferSize?.call(ptr) ?? 0;