diff --git a/.github/workflows/android-armv7-cpu.yml b/.github/workflows/android-armv7-cpu.yml
index e7e0a56e4..42f85f60f 100644
--- a/.github/workflows/android-armv7-cpu.yml
+++ b/.github/workflows/android-armv7-cpu.yml
@@ -28,7 +28,7 @@ jobs:
   android-armv7:
     runs-on: ubuntu-20.04
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: build
       run: |
         mkdir build && cd build
diff --git a/.github/workflows/android-armv7-gpu.yml b/.github/workflows/android-armv7-gpu.yml
index f41ff60e5..e7f203fce 100644
--- a/.github/workflows/android-armv7-gpu.yml
+++ b/.github/workflows/android-armv7-gpu.yml
@@ -30,7 +30,7 @@ jobs:
   android-armv7-gpu:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         submodules: true
     - name: build
diff --git a/.github/workflows/android-armv8-cpu.yml b/.github/workflows/android-armv8-cpu.yml
index b32cbc43b..fa920f7aa 100644
--- a/.github/workflows/android-armv8-cpu.yml
+++ b/.github/workflows/android-armv8-cpu.yml
@@ -28,7 +28,7 @@ jobs:
   android-aarch64:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: build
       run: |
         mkdir build && cd build
diff --git a/.github/workflows/android-armv8-gpu.yml b/.github/workflows/android-armv8-gpu.yml
index ba54b268a..e18009173 100644
--- a/.github/workflows/android-armv8-gpu.yml
+++ b/.github/workflows/android-armv8-gpu.yml
@@ -30,7 +30,7 @@ jobs:
   android-aarch64-gpu:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         submodules: true
     - name: build
@@ -62,7 +62,7 @@ jobs:
   android-aarch64-gpu-ndk-r16b:
     runs-on: ubuntu-20.04
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         submodules: true
     - name: ndk-r16b
diff --git a/.github/workflows/android-x64-cpu.yml b/.github/workflows/android-x64-cpu.yml
index 5b8b65b2b..55bf40182 100644
--- a/.github/workflows/android-x64-cpu.yml
+++ b/.github/workflows/android-x64-cpu.yml
@@ -28,7 +28,7 @@ jobs:
   android-x86_64:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: build
       run: |
         mkdir build && cd build
diff --git a/.github/workflows/android-x64-gpu.yml b/.github/workflows/android-x64-gpu.yml
index 65770bdc8..b05e8fb7c 100644
--- a/.github/workflows/android-x64-gpu.yml
+++ b/.github/workflows/android-x64-gpu.yml
@@ -30,7 +30,7 @@ jobs:
   android-x86_64-gpu:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         submodules: true
     - name: build
diff --git a/.github/workflows/android-x86-cpu.yml b/.github/workflows/android-x86-cpu.yml
index 28938d604..cc49975a4 100644
--- a/.github/workflows/android-x86-cpu.yml
+++ b/.github/workflows/android-x86-cpu.yml
@@ -28,7 +28,7 @@ jobs:
   android-x86:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: build
       run: |
         mkdir build && cd build
diff --git a/.github/workflows/android-x86-gpu.yml b/.github/workflows/android-x86-gpu.yml
index ec46fa00c..e72826e6b 100644
--- a/.github/workflows/android-x86-gpu.yml
+++ b/.github/workflows/android-x86-gpu.yml
@@ -30,7 +30,7 @@ jobs:
   android-x86-gpu:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         submodules: true
     - name: build
diff --git a/.github/workflows/code-format.yml b/.github/workflows/code-format.yml
index e65a79969..9ffb97818 100644
--- a/.github/workflows/code-format.yml
+++ b/.github/workflows/code-format.yml
@@ -15,7 +15,7 @@ jobs:
       contents: write  # for stefanzweifel/git-auto-commit-action to push code in repo
     runs-on: ubuntu-20.04
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: cache-clang-format
       id: cache-clang-format
diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index fe43e581d..6f5e490fe 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -43,7 +43,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         # We must fetch at least the immediate parents so that if this is
         # a pull request then we can checkout the head.
diff --git a/.github/workflows/elf-riscv32-cpu-gcc.yml b/.github/workflows/elf-riscv32-cpu-gcc.yml
index 87a947744..88ec5efb5 100644
--- a/.github/workflows/elf-riscv32-cpu-gcc.yml
+++ b/.github/workflows/elf-riscv32-cpu-gcc.yml
@@ -32,7 +32,7 @@ jobs:
   newlib-rv32imc-gcc:
     runs-on: [self-hosted, linux, centos]
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     #- name: cache-riscv
       #id: cache-riscv
@@ -49,7 +49,7 @@ jobs:
 
     #- name: checkout-riscv-gnu-toolchain
       #if: steps.cache-riscv.outputs.cache-hit != 'true'
-      #uses: actions/checkout@v3
+      #uses: actions/checkout@v4
       #with:
         #repository: riscv/riscv-gnu-toolchain
         #path: riscv-gnu-toolchain
@@ -73,7 +73,7 @@ jobs:
 
     #- name: checkout-riscv-pk
       #if: steps.cache-riscv.outputs.cache-hit != 'true'
-      #uses: actions/checkout@v3
+      #uses: actions/checkout@v4
       #with:
         #repository: riscv/riscv-pk
         #path: riscv-pk
@@ -91,7 +91,7 @@ jobs:
 
     #- name: checkout-riscv-isa-sim
       #if: steps.cache-riscv.outputs.cache-hit != 'true'
-      #uses: actions/checkout@v3
+      #uses: actions/checkout@v4
       #with:
         #repository: riscv/riscv-isa-sim
         #path: riscv-isa-sim
diff --git a/.github/workflows/elf-riscv64-cpu-gcc.yml b/.github/workflows/elf-riscv64-cpu-gcc.yml
index fbf2c0227..0b7c584cb 100644
--- a/.github/workflows/elf-riscv64-cpu-gcc.yml
+++ b/.github/workflows/elf-riscv64-cpu-gcc.yml
@@ -32,7 +32,7 @@ jobs:
   newlib-rv64gc-gcc:
     runs-on: [self-hosted, linux, centos]
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     #- name: cache-riscv
       #id: cache-riscv
@@ -49,7 +49,7 @@ jobs:
 
     #- name: checkout-riscv-gnu-toolchain
       #if: steps.cache-riscv.outputs.cache-hit != 'true'
-      #uses: actions/checkout@v3
+      #uses: actions/checkout@v4
       #with:
         #repository: riscv/riscv-gnu-toolchain
         #path: riscv-gnu-toolchain
@@ -74,7 +74,7 @@ jobs:
 
     #- name: checkout-riscv-pk
       #if: steps.cache-riscv.outputs.cache-hit != 'true'
-      #uses: actions/checkout@v3
+      #uses: actions/checkout@v4
       #with:
         #repository: riscv/riscv-pk
         #path: riscv-pk
@@ -92,7 +92,7 @@ jobs:
 
     #- name: checkout-riscv-isa-sim
       #if: steps.cache-riscv.outputs.cache-hit != 'true'
-      #uses: actions/checkout@v3
+      #uses: actions/checkout@v4
       #with:
         #repository: riscv/riscv-isa-sim
         #path: riscv-isa-sim
diff --git a/.github/workflows/ios-arm64-gpu.yml b/.github/workflows/ios-arm64-gpu.yml
index e0e6d42ff..a2894c72b 100644
--- a/.github/workflows/ios-arm64-gpu.yml
+++ b/.github/workflows/ios-arm64-gpu.yml
@@ -38,7 +38,7 @@ jobs:
   ios-iphone-os-gpu:
     runs-on: macos-12
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         submodules: true
 
diff --git a/.github/workflows/ios-cpu.yml b/.github/workflows/ios-cpu.yml
index 9b5266c75..488b5fe88 100644
--- a/.github/workflows/ios-cpu.yml
+++ b/.github/workflows/ios-cpu.yml
@@ -36,7 +36,7 @@ jobs:
   ios-iphone-os:
     runs-on: macos-12
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: cache-openmp
       id: cache-openmp
diff --git a/.github/workflows/ios-simulator-gpu.yml b/.github/workflows/ios-simulator-gpu.yml
index b2dbabbb0..eff7020a6 100644
--- a/.github/workflows/ios-simulator-gpu.yml
+++ b/.github/workflows/ios-simulator-gpu.yml
@@ -38,7 +38,7 @@ jobs:
   ios-iphone-simulator-gpu:
     runs-on: macos-12
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         submodules: true
 
diff --git a/.github/workflows/ios-simulator.yml b/.github/workflows/ios-simulator.yml
index e8531769a..7bb2a861f 100644
--- a/.github/workflows/ios-simulator.yml
+++ b/.github/workflows/ios-simulator.yml
@@ -38,7 +38,7 @@ jobs:
   ios-iphone-simulator:
     runs-on: macos-12
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: cache-openmp
       id: cache-openmp
diff --git a/.github/workflows/linux-aarch64-cpu-gcc.yml b/.github/workflows/linux-aarch64-cpu-gcc.yml
index ca71c7b98..46179097a 100644
--- a/.github/workflows/linux-aarch64-cpu-gcc.yml
+++ b/.github/workflows/linux-aarch64-cpu-gcc.yml
@@ -32,7 +32,7 @@ jobs:
   linux-gcc:
     runs-on: ubuntu-20.04
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: cache-qemu
       id: cache-qemu
@@ -47,7 +47,7 @@ jobs:
         sudo apt-get install autoconf automake autotools-dev ninja-build
     - name: checkout-qemu
       if: steps.cache-qemu.outputs.cache-hit != 'true'
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         repository: qemu/qemu
         path: qemu
@@ -90,7 +90,7 @@ jobs:
   linux-gcc-arm82:
     runs-on: ubuntu-20.04
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: cache-qemu
       id: cache-qemu
@@ -105,7 +105,7 @@ jobs:
         sudo apt-get install autoconf automake autotools-dev ninja-build
     - name: checkout-qemu
       if: steps.cache-qemu.outputs.cache-hit != 'true'
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         repository: qemu/qemu
         path: qemu
@@ -148,7 +148,7 @@ jobs:
   linux-gcc-arm86:
     runs-on: ubuntu-22.04
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: cache-qemu
       id: cache-qemu
@@ -163,7 +163,7 @@ jobs:
         sudo apt-get install autoconf automake autotools-dev ninja-build
     - name: checkout-qemu
       if: steps.cache-qemu.outputs.cache-hit != 'true'
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         repository: qemu/qemu
         path: qemu
diff --git a/.github/workflows/linux-arm-cpu-gcc.yml b/.github/workflows/linux-arm-cpu-gcc.yml
index 72c075d44..8222586f1 100644
--- a/.github/workflows/linux-arm-cpu-gcc.yml
+++ b/.github/workflows/linux-arm-cpu-gcc.yml
@@ -34,7 +34,7 @@ jobs:
   linux-gcc-arm:
     runs-on: ubuntu-20.04
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: cache-qemu
       id: cache-qemu
@@ -49,7 +49,7 @@ jobs:
         sudo apt-get install autoconf automake autotools-dev ninja-build
     - name: checkout-qemu
       if: steps.cache-qemu.outputs.cache-hit != 'true'
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         repository: qemu/qemu
         path: qemu
@@ -92,7 +92,7 @@ jobs:
   linux-gcc-armhf:
     runs-on: ubuntu-20.04
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: cache-qemu
       id: cache-qemu
@@ -107,7 +107,7 @@ jobs:
         sudo apt-get install autoconf automake autotools-dev ninja-build
     - name: checkout-qemu
       if: steps.cache-qemu.outputs.cache-hit != 'true'
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         repository: qemu/qemu
         path: qemu
@@ -150,7 +150,7 @@ jobs:
   linux-gcc-armhf-vfpv3-d16:
     runs-on: ubuntu-20.04
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: cache-qemu
       id: cache-qemu
@@ -165,7 +165,7 @@ jobs:
         sudo apt-get install autoconf automake autotools-dev ninja-build
     - name: checkout-qemu
       if: steps.cache-qemu.outputs.cache-hit != 'true'
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         repository: qemu/qemu
         path: qemu
diff --git a/.github/workflows/linux-loongarch64-cpu-gcc.yml b/.github/workflows/linux-loongarch64-cpu-gcc.yml
index 7cb710a12..5a23fdc4b 100644
--- a/.github/workflows/linux-loongarch64-cpu-gcc.yml
+++ b/.github/workflows/linux-loongarch64-cpu-gcc.yml
@@ -35,7 +35,7 @@ jobs:
     runs-on: [self-hosted, linux, centos]
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     # - name: cache-qemu
     #   id: cache-qemu
@@ -45,7 +45,7 @@ jobs:
     #     key: qemu-loongarch64-install-20230524
     # - name: checkout-qemu
     #   if: steps.cache-qemu.outputs.cache-hit != 'true'
-    #   uses: actions/checkout@v3
+    #   uses: actions/checkout@v4
     #   with:
     #     repository: qemu/qemu
     #     path: qemu
diff --git a/.github/workflows/linux-mips-cpu-gcc.yml b/.github/workflows/linux-mips-cpu-gcc.yml
index ba41d4b02..7265d2ce0 100644
--- a/.github/workflows/linux-mips-cpu-gcc.yml
+++ b/.github/workflows/linux-mips-cpu-gcc.yml
@@ -34,7 +34,7 @@ jobs:
   linux-gcc-mipsel:
     runs-on: ubuntu-20.04
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: cache-qemu
       id: cache-qemu
@@ -49,7 +49,7 @@ jobs:
         sudo apt-get install autoconf automake autotools-dev ninja-build
     - name: checkout-qemu
       if: steps.cache-qemu.outputs.cache-hit != 'true'
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         repository: qemu/qemu
         path: qemu
@@ -81,7 +81,7 @@ jobs:
   linux-gcc-mipsisa32r6el:
     runs-on: ubuntu-20.04
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: cache-qemu
       id: cache-qemu
@@ -96,7 +96,7 @@ jobs:
         sudo apt-get install autoconf automake autotools-dev ninja-build
     - name: checkout-qemu
       if: steps.cache-qemu.outputs.cache-hit != 'true'
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         repository: qemu/qemu
         path: qemu
diff --git a/.github/workflows/linux-mips64-cpu-gcc.yml b/.github/workflows/linux-mips64-cpu-gcc.yml
index 3d0fe1229..5ca707988 100644
--- a/.github/workflows/linux-mips64-cpu-gcc.yml
+++ b/.github/workflows/linux-mips64-cpu-gcc.yml
@@ -34,7 +34,7 @@ jobs:
   linux-gcc-mips64el:
     runs-on: ubuntu-20.04
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: cache-qemu
       id: cache-qemu
@@ -49,7 +49,7 @@ jobs:
         sudo apt-get install autoconf automake autotools-dev ninja-build
     - name: checkout-qemu
       if: steps.cache-qemu.outputs.cache-hit != 'true'
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         repository: qemu/qemu
         path: qemu
@@ -81,7 +81,7 @@ jobs:
   linux-gcc-mipsisa64r6el:
     runs-on: ubuntu-20.04
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: cache-qemu
       id: cache-qemu
@@ -96,7 +96,7 @@ jobs:
         sudo apt-get install autoconf automake autotools-dev ninja-build
     - name: checkout-qemu
       if: steps.cache-qemu.outputs.cache-hit != 'true'
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         repository: qemu/qemu
         path: qemu
diff --git a/.github/workflows/linux-ppc64-cpu-gcc.yml b/.github/workflows/linux-ppc64-cpu-gcc.yml
index 404fa999a..821fff460 100644
--- a/.github/workflows/linux-ppc64-cpu-gcc.yml
+++ b/.github/workflows/linux-ppc64-cpu-gcc.yml
@@ -30,7 +30,7 @@ jobs:
   linux-gcc-ppc64le:
     runs-on: ubuntu-20.04
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: cache-qemu
       id: cache-qemu
@@ -45,7 +45,7 @@ jobs:
         sudo apt-get install autoconf automake autotools-dev ninja-build
     - name: checkout-qemu
       if: steps.cache-qemu.outputs.cache-hit != 'true'
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         repository: qemu/qemu
         path: qemu
@@ -76,7 +76,7 @@ jobs:
   linux-gcc-power8le-vsx:
     runs-on: ubuntu-20.04
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: cache-qemu
       id: cache-qemu
@@ -91,7 +91,7 @@ jobs:
         sudo apt-get install autoconf automake autotools-dev ninja-build
     - name: checkout-qemu
       if: steps.cache-qemu.outputs.cache-hit != 'true'
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         repository: qemu/qemu
         path: qemu
@@ -122,7 +122,7 @@ jobs:
   linux-gcc-power9le-vsx:
     runs-on: ubuntu-20.04
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: cache-qemu
       id: cache-qemu
@@ -137,7 +137,7 @@ jobs:
         sudo apt-get install autoconf automake autotools-dev ninja-build
     - name: checkout-qemu
       if: steps.cache-qemu.outputs.cache-hit != 'true'
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         repository: qemu/qemu
         path: qemu
diff --git a/.github/workflows/linux-riscv64-cpu-gcc.yml b/.github/workflows/linux-riscv64-cpu-gcc.yml
index e585b9730..c0e8ca88b 100644
--- a/.github/workflows/linux-riscv64-cpu-gcc.yml
+++ b/.github/workflows/linux-riscv64-cpu-gcc.yml
@@ -34,7 +34,7 @@ jobs:
   linux-gcc-riscv64:
     runs-on: ubuntu-20.04
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: cache-qemu
       id: cache-qemu
@@ -49,7 +49,7 @@ jobs:
         sudo apt-get install autoconf automake autotools-dev ninja-build
     - name: checkout-qemu
       if: steps.cache-qemu.outputs.cache-hit != 'true'
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         repository: qemu/qemu
         path: qemu
@@ -83,7 +83,7 @@ jobs:
   linux-gcc-riscv64-c906:
     runs-on: [self-hosted, linux, centos]
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: configure
       run: |
@@ -102,7 +102,7 @@ jobs:
   linux-gcc-riscv64-rvv:
     runs-on: [self-hosted, linux, centos]
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     #- name: cache-qemu
       #id: cache-qemu
@@ -117,7 +117,7 @@ jobs:
         #sudo apt-get install autoconf automake autotools-dev ninja-build
     #- name: checkout-qemu
       #if: steps.cache-qemu.outputs.cache-hit != 'true'
-      #uses: actions/checkout@v3
+      #uses: actions/checkout@v4
       #with:
         #repository: qemu/qemu
         #path: qemu
@@ -147,7 +147,7 @@ jobs:
 
     #- name: checkout-riscv-gnu-toolchain
       #if: steps.cache-riscv.outputs.cache-hit != 'true'
-      #uses: actions/checkout@v3
+      #uses: actions/checkout@v4
       #with:
         #repository: riscv/riscv-gnu-toolchain
         #path: riscv-gnu-toolchain
diff --git a/.github/workflows/linux-riscv64-cpu-gnu-clang.yml b/.github/workflows/linux-riscv64-cpu-gnu-clang.yml
index 18ad114ef..45aa5e35a 100644
--- a/.github/workflows/linux-riscv64-cpu-gnu-clang.yml
+++ b/.github/workflows/linux-riscv64-cpu-gnu-clang.yml
@@ -32,7 +32,7 @@ jobs:
   linux-gcc-riscv64-rvv:
     runs-on: [self-hosted, linux, centos]
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     #- name: cache-qemu
       #id: cache-qemu
@@ -47,7 +47,7 @@ jobs:
         #sudo apt-get install autoconf automake autotools-dev ninja-build
     #- name: checkout-qemu
       #if: steps.cache-qemu.outputs.cache-hit != 'true'
-      #uses: actions/checkout@v3
+      #uses: actions/checkout@v4
       #with:
         #repository: qemu/qemu
         #path: qemu
@@ -77,7 +77,7 @@ jobs:
 
     #- name: checkout-riscv-gnu-toolchain
       #if: steps.cache-riscv.outputs.cache-hit != 'true'
-      #uses: actions/checkout@v3
+      #uses: actions/checkout@v4
       #with:
         #repository: riscv/riscv-gnu-toolchain
         #path: riscv-gnu-toolchain
diff --git a/.github/workflows/linux-x64-cpu-clang-python.yml b/.github/workflows/linux-x64-cpu-clang-python.yml
index 002868856..7499ce5c7 100644
--- a/.github/workflows/linux-x64-cpu-clang-python.yml
+++ b/.github/workflows/linux-x64-cpu-clang-python.yml
@@ -34,7 +34,7 @@ jobs:
         python-version: [3.7, 3.9, 3.11]
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         submodules: true
     - name: set up python ${{ matrix.python-version }}
diff --git a/.github/workflows/linux-x64-cpu-clang.yml b/.github/workflows/linux-x64-cpu-clang.yml
index 82e176559..b03c2e5a8 100644
--- a/.github/workflows/linux-x64-cpu-clang.yml
+++ b/.github/workflows/linux-x64-cpu-clang.yml
@@ -38,7 +38,7 @@ jobs:
   linux-clang:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: update
       run: sudo apt-get update
     - name: protobuf
@@ -105,7 +105,7 @@ jobs:
   linux-clang-simplestl:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: build-simplestl
       env:
         CC: clang
diff --git a/.github/workflows/linux-x64-cpu-gcc-musl.yml b/.github/workflows/linux-x64-cpu-gcc-musl.yml
index 208ffc452..d18c9cbc2 100644
--- a/.github/workflows/linux-x64-cpu-gcc-musl.yml
+++ b/.github/workflows/linux-x64-cpu-gcc-musl.yml
@@ -50,7 +50,7 @@ jobs:
           libc-dev
           linux-headers
 
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: build
       shell: alpine.sh {0}
       run: |
diff --git a/.github/workflows/linux-x64-cpu-gcc-san.yml b/.github/workflows/linux-x64-cpu-gcc-san.yml
index ae57b37bc..ad2666529 100644
--- a/.github/workflows/linux-x64-cpu-gcc-san.yml
+++ b/.github/workflows/linux-x64-cpu-gcc-san.yml
@@ -30,7 +30,7 @@ jobs:
   linux-gcc-san:
     runs-on: ubuntu-22.04
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: build
       run: |
         mkdir build && cd build
diff --git a/.github/workflows/linux-x64-cpu-gcc-sde.yml b/.github/workflows/linux-x64-cpu-gcc-sde.yml
index 51eb68615..410976a9f 100644
--- a/.github/workflows/linux-x64-cpu-gcc-sde.yml
+++ b/.github/workflows/linux-x64-cpu-gcc-sde.yml
@@ -36,7 +36,7 @@ jobs:
   linux-gcc-sde:
     runs-on: ubuntu-22.04
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: update
       run: sudo apt-get update
     - name: gcc12
diff --git a/.github/workflows/linux-x64-cpu-gcc.yml b/.github/workflows/linux-x64-cpu-gcc.yml
index 3b6b305e1..6d1a41a15 100644
--- a/.github/workflows/linux-x64-cpu-gcc.yml
+++ b/.github/workflows/linux-x64-cpu-gcc.yml
@@ -38,7 +38,7 @@ jobs:
   linux-gcc:
     runs-on: ubuntu-20.04
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: update
       run: sudo apt-get update
     - name: protobuf
@@ -87,7 +87,7 @@ jobs:
   linux-gcc-cpp03-nostdio-nostring-simplestl:
     runs-on: ubuntu-20.04
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: build-nostdio
       run: |
         mkdir build-nostdio && cd build-nostdio
@@ -118,7 +118,7 @@ jobs:
   linux-gcc-avx512:
     runs-on: [self-hosted, linux, t4]
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: build
       env:
         CC: gcc
diff --git a/.github/workflows/linux-x64-gpu-clang-python.yml b/.github/workflows/linux-x64-gpu-clang-python.yml
index d372bbc13..f404b2933 100644
--- a/.github/workflows/linux-x64-gpu-clang-python.yml
+++ b/.github/workflows/linux-x64-gpu-clang-python.yml
@@ -35,7 +35,7 @@ jobs:
       matrix:
         python-version: [3.7, 3.9, 3.11]
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         submodules: true
     - name: cache-vulkansdk
@@ -59,7 +59,7 @@ jobs:
         key: swiftshader-linux-install-20230420
     - name: checkout-swiftshader
       if: steps.cache-swiftshader.outputs.cache-hit != 'true'
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         repository: google/swiftshader
         path: swiftshader
diff --git a/.github/workflows/linux-x64-gpu-clang.yml b/.github/workflows/linux-x64-gpu-clang.yml
index 14671e433..e5eecc37d 100644
--- a/.github/workflows/linux-x64-gpu-clang.yml
+++ b/.github/workflows/linux-x64-gpu-clang.yml
@@ -38,7 +38,7 @@ jobs:
   linux-clang-gpu:
     runs-on: [self-hosted, linux, cvm]
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         submodules: true
     - name: cache-swiftshader
@@ -49,7 +49,7 @@ jobs:
         key: swiftshader-linux-install-20230420
     - name: checkout-swiftshader
       if: steps.cache-swiftshader.outputs.cache-hit != 'true'
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         repository: google/swiftshader
         path: swiftshader
diff --git a/.github/workflows/linux-x64-gpu-gcc.yml b/.github/workflows/linux-x64-gpu-gcc.yml
index f9d0cdc9a..114bce333 100644
--- a/.github/workflows/linux-x64-gpu-gcc.yml
+++ b/.github/workflows/linux-x64-gpu-gcc.yml
@@ -38,7 +38,7 @@ jobs:
   linux-gcc-gpu:
     runs-on: [self-hosted, linux, cvm]
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         submodules: true
     - name: cache-swiftshader
@@ -49,7 +49,7 @@ jobs:
         key: swiftshader-linux-install-20230420
     - name: checkout-swiftshader
       if: steps.cache-swiftshader.outputs.cache-hit != 'true'
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         repository: google/swiftshader
         path: swiftshader
@@ -87,7 +87,7 @@ jobs:
   linux-gcc-gpu-system-glslang:
     runs-on: ubuntu-20.04
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: install-deps
       run: |
@@ -108,7 +108,7 @@ jobs:
   linux-gcc-gpu-t4:
     runs-on: [self-hosted, linux, t4]
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         submodules: true
     - name: build
diff --git a/.github/workflows/linux-x86-cpu-clang.yml b/.github/workflows/linux-x86-cpu-clang.yml
index 92544f4e4..52ef4e969 100644
--- a/.github/workflows/linux-x86-cpu-clang.yml
+++ b/.github/workflows/linux-x86-cpu-clang.yml
@@ -32,7 +32,7 @@ jobs:
   linux-clang:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: update
       run: sudo apt-get update
     - name: gcc-multilib
diff --git a/.github/workflows/linux-x86-cpu-gcc.yml b/.github/workflows/linux-x86-cpu-gcc.yml
index c6385f0b0..3dda67017 100644
--- a/.github/workflows/linux-x86-cpu-gcc.yml
+++ b/.github/workflows/linux-x86-cpu-gcc.yml
@@ -32,7 +32,7 @@ jobs:
   linux-gcc:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: update
       run: sudo apt-get update
     - name: gcc-multilib
diff --git a/.github/workflows/mac-catalyst-arm64-cpu.yml b/.github/workflows/mac-catalyst-arm64-cpu.yml
index 5d9392cd6..52f002897 100644
--- a/.github/workflows/mac-catalyst-arm64-cpu.yml
+++ b/.github/workflows/mac-catalyst-arm64-cpu.yml
@@ -34,7 +34,7 @@ jobs:
   mac-catalyst-clang:
     runs-on: macos-12
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: cache-openmp
       id: cache-openmp
diff --git a/.github/workflows/mac-catalyst-arm64-gpu.yml b/.github/workflows/mac-catalyst-arm64-gpu.yml
index b17d25cd9..03a4e1a42 100644
--- a/.github/workflows/mac-catalyst-arm64-gpu.yml
+++ b/.github/workflows/mac-catalyst-arm64-gpu.yml
@@ -36,7 +36,7 @@ jobs:
   mac-catalyst-clang-gpu:
     runs-on: macos-12
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         submodules: true
 
diff --git a/.github/workflows/mac-catalyst-x64-cpu.yml b/.github/workflows/mac-catalyst-x64-cpu.yml
index 2f6707e29..a21bb2ce8 100644
--- a/.github/workflows/mac-catalyst-x64-cpu.yml
+++ b/.github/workflows/mac-catalyst-x64-cpu.yml
@@ -42,7 +42,7 @@ jobs:
   mac-catalyst-clang:
     runs-on: macos-12
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: cache-openmp
       id: cache-openmp
diff --git a/.github/workflows/mac-catalyst-x64-gpu.yml b/.github/workflows/mac-catalyst-x64-gpu.yml
index b4073d642..7a172692e 100644
--- a/.github/workflows/mac-catalyst-x64-gpu.yml
+++ b/.github/workflows/mac-catalyst-x64-gpu.yml
@@ -44,7 +44,7 @@ jobs:
   mac-catalyst-clang-gpu:
     runs-on: macos-12
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         submodules: true
 
diff --git a/.github/workflows/macos-arm64-cpu.yml b/.github/workflows/macos-arm64-cpu.yml
index 95bbc47bd..69d751856 100644
--- a/.github/workflows/macos-arm64-cpu.yml
+++ b/.github/workflows/macos-arm64-cpu.yml
@@ -35,7 +35,7 @@ jobs:
   macos-clang:
     runs-on: macos-12
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: cache-openmp
       id: cache-openmp
diff --git a/.github/workflows/macos-arm64-gpu.yml b/.github/workflows/macos-arm64-gpu.yml
index bb6709d7b..3d6454f5d 100644
--- a/.github/workflows/macos-arm64-gpu.yml
+++ b/.github/workflows/macos-arm64-gpu.yml
@@ -37,7 +37,7 @@ jobs:
   macos-clang-gpu:
     runs-on: macos-12
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         submodules: true
 
diff --git a/.github/workflows/macos-x64-cpu-python.yml b/.github/workflows/macos-x64-cpu-python.yml
index c0f466931..deb0914ce 100644
--- a/.github/workflows/macos-x64-cpu-python.yml
+++ b/.github/workflows/macos-x64-cpu-python.yml
@@ -40,7 +40,7 @@ jobs:
       matrix:
         python-version: [3.7, 3.9, 3.11]
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         submodules: true
     - name: set up python ${{ matrix.python-version }}
diff --git a/.github/workflows/macos-x64-cpu.yml b/.github/workflows/macos-x64-cpu.yml
index 0c10dc583..f7e21b5ad 100644
--- a/.github/workflows/macos-x64-cpu.yml
+++ b/.github/workflows/macos-x64-cpu.yml
@@ -43,7 +43,7 @@ jobs:
   macos-clang:
     runs-on: macos-12
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: protobuf
       run: brew install protobuf opencv3
diff --git a/.github/workflows/macos-x64-gpu.yml b/.github/workflows/macos-x64-gpu.yml
index cdc5554fa..1a113b332 100644
--- a/.github/workflows/macos-x64-gpu.yml
+++ b/.github/workflows/macos-x64-gpu.yml
@@ -45,7 +45,7 @@ jobs:
   macos-clang-gpu:
     runs-on: macos-12
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         submodules: true
     - name: protobuf
@@ -120,7 +120,7 @@ jobs:
         key: swiftshader-macos-install-20230420
     - name: checkout-swiftshader
       if: steps.cache-swiftshader.outputs.cache-hit != 'true'
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         repository: google/swiftshader
         path: swiftshader
diff --git a/.github/workflows/release-python.yml b/.github/workflows/release-python.yml
index 393afa3d8..703d4f681 100644
--- a/.github/workflows/release-python.yml
+++ b/.github/workflows/release-python.yml
@@ -10,7 +10,7 @@ jobs:
     name: Build SDist
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         submodules: true
 
@@ -54,7 +54,7 @@ jobs:
           - { os: macos-latest, arch: universal2, build: 'cp*'            }
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         submodules: true
 
@@ -110,7 +110,7 @@ jobs:
             build: 'pp310-*'
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         submodules: true
 
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index ca80e3782..ed3b27f0d 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -37,7 +37,7 @@ jobs:
     env:
       PACKAGENAME: ncnn-${{ needs.setup.outputs.VERSION }}-full-source
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         submodules: true
     - name: package
@@ -57,7 +57,7 @@ jobs:
     env:
       PACKAGENAME: ncnn-${{ needs.setup.outputs.VERSION }}-ubuntu-2004
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         submodules: true
     - name: apt
@@ -89,7 +89,7 @@ jobs:
     env:
       PACKAGENAME: ncnn-${{ needs.setup.outputs.VERSION }}-ubuntu-2004-shared
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         submodules: true
     - name: apt
@@ -121,7 +121,7 @@ jobs:
     env:
       PACKAGENAME: ncnn-${{ needs.setup.outputs.VERSION }}-ubuntu-2204
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         submodules: true
     - name: apt
@@ -153,7 +153,7 @@ jobs:
     env:
       PACKAGENAME: ncnn-${{ needs.setup.outputs.VERSION }}-ubuntu-2204-shared
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         submodules: true
     - name: apt
@@ -190,7 +190,7 @@ jobs:
         key: openmp-macos-release-11.0.0-20230504
     - name: checkout
       if: steps.cache-openmp.outputs.cache-hit != 'true'
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
     - name: openmp
       if: steps.cache-openmp.outputs.cache-hit != 'true'
       run: |
@@ -246,7 +246,7 @@ jobs:
     env:
       PACKAGENAME: ncnn-${{ needs.setup.outputs.VERSION }}-macos
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: download-openmp-macos
       uses: actions/download-artifact@v3
       with:
@@ -318,7 +318,7 @@ jobs:
     env:
       PACKAGENAME: ncnn-${{ needs.setup.outputs.VERSION }}-macos-vulkan
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         submodules: true
     - name: download-openmp-macos
@@ -423,7 +423,7 @@ jobs:
         key: openmp-ios-release-11.0.0-20230504
     - name: checkout
       if: steps.cache-openmp.outputs.cache-hit != 'true'
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
     - name: openmp
       if: steps.cache-openmp.outputs.cache-hit != 'true'
       run: |
@@ -492,7 +492,7 @@ jobs:
     env:
       PACKAGENAME: ncnn-${{ needs.setup.outputs.VERSION }}-ios
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: download-openmp-ios
       uses: actions/download-artifact@v3
       with:
@@ -580,7 +580,7 @@ jobs:
     env:
       PACKAGENAME: ncnn-${{ needs.setup.outputs.VERSION }}-ios-vulkan
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         submodules: true
     - name: download-openmp-ios
@@ -705,7 +705,7 @@ jobs:
         key: openmp-ios-bitcode-release-11.0.0-20230504
     - name: checkout
       if: steps.cache-openmp.outputs.cache-hit != 'true'
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
     - name: openmp
       if: steps.cache-openmp.outputs.cache-hit != 'true'
       run: |
@@ -774,7 +774,7 @@ jobs:
     env:
       PACKAGENAME: ncnn-${{ needs.setup.outputs.VERSION }}-ios-bitcode
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: download-openmp-ios-bitcode
       uses: actions/download-artifact@v3
       with:
@@ -862,7 +862,7 @@ jobs:
     env:
       PACKAGENAME: ncnn-${{ needs.setup.outputs.VERSION }}-ios-vulkan-bitcode
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         submodules: true
     - name: download-openmp-ios-bitcode
@@ -987,7 +987,7 @@ jobs:
         key: openmp-ios-simulator-release-11.0.0-20230504
     - name: checkout
       if: steps.cache-openmp.outputs.cache-hit != 'true'
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
     - name: openmp
       if: steps.cache-openmp.outputs.cache-hit != 'true'
       run: |
@@ -1056,7 +1056,7 @@ jobs:
     env:
       PACKAGENAME: ncnn-${{ needs.setup.outputs.VERSION }}-ios-simulator
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: download-openmp-ios
       uses: actions/download-artifact@v3
       with:
@@ -1144,7 +1144,7 @@ jobs:
     env:
       PACKAGENAME: ncnn-${{ needs.setup.outputs.VERSION }}-ios-simulator-vulkan
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         submodules: true
     - name: download-openmp-ios-simulator
@@ -1269,7 +1269,7 @@ jobs:
         key: openmp-ios-simulator-bitcode-release-11.0.0-20230504
     - name: checkout
       if: steps.cache-openmp.outputs.cache-hit != 'true'
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
     - name: openmp
       if: steps.cache-openmp.outputs.cache-hit != 'true'
       run: |
@@ -1338,7 +1338,7 @@ jobs:
     env:
       PACKAGENAME: ncnn-${{ needs.setup.outputs.VERSION }}-ios-simulator-bitcode
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: download-openmp-ios
       uses: actions/download-artifact@v3
       with:
@@ -1426,7 +1426,7 @@ jobs:
     env:
       PACKAGENAME: ncnn-${{ needs.setup.outputs.VERSION }}-ios-simulator-vulkan-bitcode
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         submodules: true
     - name: download-openmp-ios-simulator
@@ -1551,7 +1551,7 @@ jobs:
         key: openmp-mac-catalyst-release-11.0.0-20230504
     - name: checkout
       if: steps.cache-openmp.outputs.cache-hit != 'true'
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
     - name: openmp
       if: steps.cache-openmp.outputs.cache-hit != 'true'
       run: |
@@ -1607,7 +1607,7 @@ jobs:
     env:
       PACKAGENAME: ncnn-${{ needs.setup.outputs.VERSION }}-mac-catalyst
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: download-openmp-ios
       uses: actions/download-artifact@v3
       with:
@@ -1682,7 +1682,7 @@ jobs:
     env:
       PACKAGENAME: ncnn-${{ needs.setup.outputs.VERSION }}-mac-catalyst-vulkan
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         submodules: true
     - name: download-openmp-mac-catalyst
@@ -1807,7 +1807,7 @@ jobs:
         key: openmp-mac-catalyst-bitcode-release-11.0.0-20230504
     - name: checkout
       if: steps.cache-openmp.outputs.cache-hit != 'true'
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
     - name: openmp
       if: steps.cache-openmp.outputs.cache-hit != 'true'
       run: |
@@ -1863,7 +1863,7 @@ jobs:
     env:
       PACKAGENAME: ncnn-${{ needs.setup.outputs.VERSION }}-mac-catalyst-bitcode
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: download-openmp-ios
       uses: actions/download-artifact@v3
       with:
@@ -1938,7 +1938,7 @@ jobs:
     env:
       PACKAGENAME: ncnn-${{ needs.setup.outputs.VERSION }}-mac-catalyst-vulkan-bitcode
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         submodules: true
     - name: download-openmp-mac-catalyst
@@ -2058,7 +2058,7 @@ jobs:
     env:
       PACKAGENAME: ncnn-${{ needs.setup.outputs.VERSION }}-android
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: ndk-fix-debug
       run: sed -i -e '/^  -g$/d' $ANDROID_NDK_LATEST_HOME/build/cmake/android-legacy.toolchain.cmake
     - name: build-armv7
@@ -2115,7 +2115,7 @@ jobs:
     env:
       PACKAGENAME: ncnn-${{ needs.setup.outputs.VERSION }}-android-shared
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: ndk-fix-debug
       run: sed -i -e '/^  -g$/d' $ANDROID_NDK_LATEST_HOME/build/cmake/android-legacy.toolchain.cmake
     - name: build-armv7
@@ -2172,7 +2172,7 @@ jobs:
     env:
       PACKAGENAME: ncnn-${{ needs.setup.outputs.VERSION }}-android-vulkan
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         submodules: true
     - name: cache-vulkansdk
@@ -2248,7 +2248,7 @@ jobs:
     env:
       PACKAGENAME: ncnn-${{ needs.setup.outputs.VERSION }}-android-vulkan-shared
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         submodules: true
     - name: cache-vulkansdk
@@ -2324,7 +2324,7 @@ jobs:
     env:
       PACKAGENAME: ncnn-${{ needs.setup.outputs.VERSION }}-webassembly
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: emsdk
       run: |
         git clone https://github.com/emscripten-core/emsdk.git
@@ -2390,7 +2390,7 @@ jobs:
       PACKAGENAME: ncnn-${{ needs.setup.outputs.VERSION }}-windows-vs2015
       UseMultiToolTask: true
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         submodules: true
     - name: cache-protobuf
@@ -2455,7 +2455,7 @@ jobs:
       PACKAGENAME: ncnn-${{ needs.setup.outputs.VERSION }}-windows-vs2015-shared
       UseMultiToolTask: true
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         submodules: true
     - name: cache-protobuf
@@ -2520,7 +2520,7 @@ jobs:
       PACKAGENAME: ncnn-${{ needs.setup.outputs.VERSION }}-windows-vs2017
       UseMultiToolTask: true
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         submodules: true
     - name: cache-protobuf
@@ -2585,7 +2585,7 @@ jobs:
       PACKAGENAME: ncnn-${{ needs.setup.outputs.VERSION }}-windows-vs2017-shared
       UseMultiToolTask: true
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         submodules: true
     - name: cache-protobuf
@@ -2650,7 +2650,7 @@ jobs:
       PACKAGENAME: ncnn-${{ needs.setup.outputs.VERSION }}-windows-vs2019
       UseMultiToolTask: true
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         submodules: true
     - name: cache-protobuf
@@ -2731,7 +2731,7 @@ jobs:
       PACKAGENAME: ncnn-${{ needs.setup.outputs.VERSION }}-windows-vs2019-shared
       UseMultiToolTask: true
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         submodules: true
     - name: cache-protobuf
@@ -2812,7 +2812,7 @@ jobs:
       PACKAGENAME: ncnn-${{ needs.setup.outputs.VERSION }}-windows-vs2022
       UseMultiToolTask: true
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         submodules: true
     - name: cache-protobuf
@@ -2893,7 +2893,7 @@ jobs:
       PACKAGENAME: ncnn-${{ needs.setup.outputs.VERSION }}-windows-vs2022-shared
       UseMultiToolTask: true
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         submodules: true
     - name: cache-protobuf
diff --git a/.github/workflows/sync-wiki.yml b/.github/workflows/sync-wiki.yml
index 11dfa0805..b2c907147 100644
--- a/.github/workflows/sync-wiki.yml
+++ b/.github/workflows/sync-wiki.yml
@@ -18,7 +18,7 @@ jobs:
       contents: write  # for Git to git push
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: sync
       run: |
         cp -r docs $GITHUB_WORKSPACE/ncnn.wiki
diff --git a/.github/workflows/test-coverage.yml b/.github/workflows/test-coverage.yml
index 87401acd0..d7cba7142 100644
--- a/.github/workflows/test-coverage.yml
+++ b/.github/workflows/test-coverage.yml
@@ -28,7 +28,7 @@ jobs:
   linux-gcc-gpu-t4:
     runs-on: [self-hosted, linux, t4]
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         submodules: true
     - name: build
@@ -112,7 +112,7 @@ jobs:
   linux-gcc-x64-avx512-spr:
     runs-on: ubuntu-22.04
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: update
       run: sudo apt-get update
     - name: gcc12
diff --git a/.github/workflows/web-assembly.yml b/.github/workflows/web-assembly.yml
index 61756a2d0..f997f9dc2 100644
--- a/.github/workflows/web-assembly.yml
+++ b/.github/workflows/web-assembly.yml
@@ -34,7 +34,7 @@ jobs:
   webassembly:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: emsdk
       run: |
         git clone https://github.com/emscripten-core/emsdk.git
diff --git a/.github/workflows/windows-arm-cpu.yml b/.github/workflows/windows-arm-cpu.yml
index d789482a5..05627f116 100644
--- a/.github/workflows/windows-arm-cpu.yml
+++ b/.github/workflows/windows-arm-cpu.yml
@@ -44,7 +44,7 @@ jobs:
     env:
       UseMultiToolTask: true
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: build
       run: |
         mkdir build; cd build
diff --git a/.github/workflows/windows-arm64-cpu.yml b/.github/workflows/windows-arm64-cpu.yml
index a6bdbda01..e4d8044e5 100644
--- a/.github/workflows/windows-arm64-cpu.yml
+++ b/.github/workflows/windows-arm64-cpu.yml
@@ -44,7 +44,7 @@ jobs:
     env:
       UseMultiToolTask: true
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: build
       run: |
         mkdir build; cd build
diff --git a/.github/workflows/windows-x64-cpu-vs2019-python.yml b/.github/workflows/windows-x64-cpu-vs2019-python.yml
index fe2fcf047..14a7bde02 100644
--- a/.github/workflows/windows-x64-cpu-vs2019-python.yml
+++ b/.github/workflows/windows-x64-cpu-vs2019-python.yml
@@ -35,7 +35,7 @@ jobs:
     env:
       UseMultiToolTask: true
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         submodules: true
     - name: set up python ${{ matrix.python-version }}
diff --git a/.github/workflows/windows-x64-cpu.yml b/.github/workflows/windows-x64-cpu.yml
index c020a3e8f..96d1e1297 100644
--- a/.github/workflows/windows-x64-cpu.yml
+++ b/.github/workflows/windows-x64-cpu.yml
@@ -58,7 +58,7 @@ jobs:
     env:
       UseMultiToolTask: true
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: cache-protobuf
       id: cache-protobuf
       uses: actions/cache@v3
diff --git a/.github/workflows/windows-x64-gpu.yml b/.github/workflows/windows-x64-gpu.yml
index 6d7c5697c..70c46df1e 100644
--- a/.github/workflows/windows-x64-gpu.yml
+++ b/.github/workflows/windows-x64-gpu.yml
@@ -60,7 +60,7 @@ jobs:
     env:
       UseMultiToolTask: true
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         submodules: true
     - name: cache-protobuf
@@ -91,7 +91,7 @@ jobs:
         key: swiftshader-${{ matrix.vs-version }}-x64-install-20230420
     - name: checkout-swiftshader
       if: matrix.vs-version != 'vs2015' && steps.cache-swiftshader.outputs.cache-hit != 'true'
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         repository: google/swiftshader
         path: swiftshader
diff --git a/.github/workflows/windows-x86-cpu.yml b/.github/workflows/windows-x86-cpu.yml
index b48431a97..26d9aaf8b 100644
--- a/.github/workflows/windows-x86-cpu.yml
+++ b/.github/workflows/windows-x86-cpu.yml
@@ -52,7 +52,7 @@ jobs:
     env:
       UseMultiToolTask: true
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: build
       run: |
         mkdir build; cd build