diff --git a/.github/workflows/c-cpp.yml b/.github/workflows/c-cpp.yml
index 3b15ce1a..41418528 100644
--- a/.github/workflows/c-cpp.yml
+++ b/.github/workflows/c-cpp.yml
@@ -553,13 +553,13 @@ jobs:
     - name: Archive binary
       uses: actions/upload-artifact@v4
       with:
-        name: p2pool-macos-x86_64
+        name: p2pool-macos-13
         path: build/p2pool
 
   build-macos-aarch64:
 
     timeout-minutes: 30
-    runs-on: macos-15
+    runs-on: macos-14
 
     steps:
     - name: Checkout repository
@@ -570,7 +570,7 @@ jobs:
     - name: Build libcurl
       run: |
         cd external/src/curl
-        cmake . -DCMAKE_C_COMPILER="$(brew --prefix llvm@18)/bin/clang" -DCMAKE_AR="$(brew --prefix llvm@18)/bin/llvm-ar" -DCMAKE_RANLIB="$(brew --prefix llvm@18)/bin/llvm-ranlib" -DCMAKE_C_FLAGS="-Os -target arm64-apple-macos-11" -DBUILD_CURL_EXE=OFF -DBUILD_SHARED_LIBS=OFF -DCURL_DISABLE_INSTALL=ON -DCURL_ENABLE_EXPORT_TARGET=OFF -DCURL_DISABLE_HEADERS_API=ON -DCURL_DISABLE_BINDLOCAL=ON -DBUILD_LIBCURL_DOCS=OFF -DBUILD_MISC_DOCS=OFF -DENABLE_CURL_MANUAL=OFF -DCURL_ZLIB=OFF -DCURL_DISABLE_ALTSVC=ON -DCURL_DISABLE_COOKIES=ON -DCURL_DISABLE_DOH=ON -DCURL_DISABLE_GETOPTIONS=ON -DCURL_DISABLE_HSTS=ON -DCURL_DISABLE_LIBCURL_OPTION=ON -DCURL_DISABLE_MIME=ON -DCURL_DISABLE_NETRC=ON -DCURL_DISABLE_NTLM=ON -DCURL_DISABLE_PARSEDATE=ON -DCURL_DISABLE_PROGRESS_METER=ON -DCURL_DISABLE_SHUFFLE_DNS=ON -DCURL_DISABLE_SOCKETPAIR=ON -DCURL_DISABLE_VERBOSE_STRINGS=ON -DHTTP_ONLY=ON -DCURL_ENABLE_SSL=OFF -DUSE_LIBIDN2=OFF -DCURL_USE_LIBPSL=OFF -DCURL_USE_LIBSSH2=OFF -DENABLE_UNIX_SOCKETS=OFF -DCURL_DISABLE_TESTS=ON -DUSE_NGHTTP2=OFF -DBUILD_EXAMPLES=OFF
+        cmake . -DCMAKE_C_COMPILER="$(brew --prefix llvm@15)/bin/clang" -DCMAKE_AR="$(brew --prefix llvm@15)/bin/llvm-ar" -DCMAKE_RANLIB="$(brew --prefix llvm@15)/bin/llvm-ranlib" -DCMAKE_C_FLAGS="-Os -target arm64-apple-macos-11" -DBUILD_CURL_EXE=OFF -DBUILD_SHARED_LIBS=OFF -DCURL_DISABLE_INSTALL=ON -DCURL_ENABLE_EXPORT_TARGET=OFF -DCURL_DISABLE_HEADERS_API=ON -DCURL_DISABLE_BINDLOCAL=ON -DBUILD_LIBCURL_DOCS=OFF -DBUILD_MISC_DOCS=OFF -DENABLE_CURL_MANUAL=OFF -DCURL_ZLIB=OFF -DCURL_DISABLE_ALTSVC=ON -DCURL_DISABLE_COOKIES=ON -DCURL_DISABLE_DOH=ON -DCURL_DISABLE_GETOPTIONS=ON -DCURL_DISABLE_HSTS=ON -DCURL_DISABLE_LIBCURL_OPTION=ON -DCURL_DISABLE_MIME=ON -DCURL_DISABLE_NETRC=ON -DCURL_DISABLE_NTLM=ON -DCURL_DISABLE_PARSEDATE=ON -DCURL_DISABLE_PROGRESS_METER=ON -DCURL_DISABLE_SHUFFLE_DNS=ON -DCURL_DISABLE_SOCKETPAIR=ON -DCURL_DISABLE_VERBOSE_STRINGS=ON -DHTTP_ONLY=ON -DCURL_ENABLE_SSL=OFF -DUSE_LIBIDN2=OFF -DCURL_USE_LIBPSL=OFF -DCURL_USE_LIBSSH2=OFF -DENABLE_UNIX_SOCKETS=OFF -DCURL_DISABLE_TESTS=ON -DUSE_NGHTTP2=OFF -DBUILD_EXAMPLES=OFF
         make -j3
         cd lib && mkdir .libs && cp libcurl.a .libs
 
@@ -579,7 +579,7 @@ jobs:
         cd external/src/libuv
         mkdir build
         cd build
-        cmake .. -DCMAKE_C_COMPILER="$(brew --prefix llvm@18)/bin/clang" -DCMAKE_AR="$(brew --prefix llvm@18)/bin/llvm-ar" -DCMAKE_RANLIB="$(brew --prefix llvm@18)/bin/llvm-ranlib" -DCMAKE_C_FLAGS='-Os -target arm64-apple-macos-11' -DBUILD_TESTING=OFF -DLIBUV_BUILD_SHARED=OFF
+        cmake .. -DCMAKE_C_COMPILER="$(brew --prefix llvm@15)/bin/clang" -DCMAKE_AR="$(brew --prefix llvm@15)/bin/llvm-ar" -DCMAKE_RANLIB="$(brew --prefix llvm@15)/bin/llvm-ranlib" -DCMAKE_C_FLAGS='-Os -target arm64-apple-macos-11' -DBUILD_TESTING=OFF -DLIBUV_BUILD_SHARED=OFF
         make -j3
 
     - name: Build libzmq
@@ -587,14 +587,14 @@ jobs:
         cd external/src/libzmq
         mkdir build
         cd build
-        cmake .. -DCMAKE_C_COMPILER="$(brew --prefix llvm@18)/bin/clang" -DCMAKE_CXX_COMPILER="$(brew --prefix llvm@18)/bin/clang++" -DCMAKE_AR="$(brew --prefix llvm@18)/bin/llvm-ar" -DCMAKE_RANLIB="$(brew --prefix llvm@18)/bin/llvm-ranlib" -DCMAKE_C_FLAGS='-Os -target arm64-apple-macos-11' -DCMAKE_CXX_FLAGS='-Os -target arm64-apple-macos-11' -DWITH_LIBSODIUM=OFF -DWITH_LIBBSD=OFF -DBUILD_TESTS=OFF -DWITH_DOCS=OFF -DENABLE_DRAFTS=OFF -DBUILD_SHARED=OFF
+        cmake .. -DCMAKE_C_COMPILER="$(brew --prefix llvm@15)/bin/clang" -DCMAKE_CXX_COMPILER="$(brew --prefix llvm@15)/bin/clang++" -DCMAKE_AR="$(brew --prefix llvm@15)/bin/llvm-ar" -DCMAKE_RANLIB="$(brew --prefix llvm@15)/bin/llvm-ranlib" -DCMAKE_C_FLAGS='-Os -target arm64-apple-macos-11' -DCMAKE_CXX_FLAGS='-Os -target arm64-apple-macos-11' -DWITH_LIBSODIUM=OFF -DWITH_LIBBSD=OFF -DBUILD_TESTS=OFF -DWITH_DOCS=OFF -DENABLE_DRAFTS=OFF -DBUILD_SHARED=OFF
         make -j3
 
     - name: Build p2pool
       run: |
         mkdir build
         cd build
-        cmake .. -DCMAKE_C_COMPILER="$(brew --prefix llvm@18)/bin/clang" -DCMAKE_CXX_COMPILER="$(brew --prefix llvm@18)/bin/clang++" -DCMAKE_AR="$(brew --prefix llvm@18)/bin/llvm-ar" -DCMAKE_RANLIB="$(brew --prefix llvm@18)/bin/llvm-ranlib" -DCMAKE_C_FLAGS="-target arm64-apple-macos-11" -DCMAKE_CXX_FLAGS="-target arm64-apple-macos-11" -DSTATIC_LIBS=ON -DWITH_LTO=OFF -DARCH_ID=aarch64
+        cmake .. -DCMAKE_C_COMPILER="$(brew --prefix llvm@15)/bin/clang" -DCMAKE_CXX_COMPILER="$(brew --prefix llvm@15)/bin/clang++" -DCMAKE_AR="$(brew --prefix llvm@15)/bin/llvm-ar" -DCMAKE_RANLIB="$(brew --prefix llvm@15)/bin/llvm-ranlib" -DCMAKE_C_FLAGS="-target arm64-apple-macos-11" -DCMAKE_CXX_FLAGS="-target arm64-apple-macos-11" -DSTATIC_LIBS=ON -DWITH_LTO=OFF -DARCH_ID=aarch64
         make -j3 p2pool
 
     - name: Run RandomX tests
@@ -609,7 +609,7 @@ jobs:
         cd tests
         mkdir build
         cd build
-        cmake .. -DCMAKE_C_COMPILER="$(brew --prefix llvm@18)/bin/clang" -DCMAKE_CXX_COMPILER="$(brew --prefix llvm@18)/bin/clang++" -DCMAKE_AR="$(brew --prefix llvm@18)/bin/llvm-ar" -DCMAKE_RANLIB="$(brew --prefix llvm@18)/bin/llvm-ranlib" -DCMAKE_C_FLAGS="-target arm64-apple-macos-11" -DCMAKE_CXX_FLAGS="-target arm64-apple-macos-11" -DSTATIC_LIBS=ON -DWITH_LTO=OFF -DARCH_ID=aarch64
+        cmake .. -DCMAKE_C_COMPILER="$(brew --prefix llvm@15)/bin/clang" -DCMAKE_CXX_COMPILER="$(brew --prefix llvm@15)/bin/clang++" -DCMAKE_AR="$(brew --prefix llvm@15)/bin/llvm-ar" -DCMAKE_RANLIB="$(brew --prefix llvm@15)/bin/llvm-ranlib" -DCMAKE_C_FLAGS="-target arm64-apple-macos-11" -DCMAKE_CXX_FLAGS="-target arm64-apple-macos-11" -DSTATIC_LIBS=ON -DWITH_LTO=OFF -DARCH_ID=aarch64
         make -j3
 
     - name: Run tests
@@ -621,7 +621,7 @@ jobs:
     - name: Archive binary
       uses: actions/upload-artifact@v4
       with:
-        name: p2pool-macos-aarch64
+        name: p2pool-macos-11-aarch64
         path: build/p2pool
 
   build-freebsd:
diff --git a/.github/workflows/test-sync.yml b/.github/workflows/test-sync.yml
index 6788e23e..c5bf920d 100644
--- a/.github/workflows/test-sync.yml
+++ b/.github/workflows/test-sync.yml
@@ -271,8 +271,8 @@ jobs:
     strategy:
       matrix:
         config:
-          - {os: macos-13, flags: "-target x86_64-apple-macos10.13", prefix: "llvm@15"}
-          - {os: macos-15, flags: "-target arm64-apple-macos-11", prefix: "llvm@18"}
+          - {os: macos-13, flags: ""}
+          - {os: macos-14, flags: "-target arm64-apple-macos-11"}
 
     steps:
     - name: Checkout repository
@@ -288,7 +288,7 @@ jobs:
     - name: Build libcurl
       run: |
         cd external/src/curl
-        cmake . -DCMAKE_C_COMPILER="$(brew --prefix ${{ matrix.config.prefix }})/bin/clang" -DCMAKE_AR="$(brew --prefix ${{ matrix.config.prefix }})/bin/llvm-ar" -DCMAKE_RANLIB="$(brew --prefix ${{ matrix.config.prefix }})/bin/llvm-ranlib" -DCMAKE_C_FLAGS="${{ matrix.config.flags }}" -DBUILD_CURL_EXE=OFF -DBUILD_SHARED_LIBS=OFF -DCURL_DISABLE_INSTALL=ON -DCURL_ENABLE_EXPORT_TARGET=OFF -DCURL_DISABLE_HEADERS_API=ON -DCURL_DISABLE_BINDLOCAL=ON -DBUILD_LIBCURL_DOCS=OFF -DBUILD_MISC_DOCS=OFF -DENABLE_CURL_MANUAL=OFF -DCURL_ZLIB=OFF -DCURL_DISABLE_ALTSVC=ON -DCURL_DISABLE_COOKIES=ON -DCURL_DISABLE_DOH=ON -DCURL_DISABLE_GETOPTIONS=ON -DCURL_DISABLE_HSTS=ON -DCURL_DISABLE_LIBCURL_OPTION=ON -DCURL_DISABLE_MIME=ON -DCURL_DISABLE_NETRC=ON -DCURL_DISABLE_NTLM=ON -DCURL_DISABLE_PARSEDATE=ON -DCURL_DISABLE_PROGRESS_METER=ON -DCURL_DISABLE_SHUFFLE_DNS=ON -DCURL_DISABLE_SOCKETPAIR=ON -DCURL_DISABLE_VERBOSE_STRINGS=ON -DHTTP_ONLY=ON -DCURL_ENABLE_SSL=OFF -DUSE_LIBIDN2=OFF -DCURL_USE_LIBPSL=OFF -DCURL_USE_LIBSSH2=OFF -DENABLE_UNIX_SOCKETS=OFF -DCURL_DISABLE_TESTS=ON -DUSE_NGHTTP2=OFF -DBUILD_EXAMPLES=OFF
+        cmake . -DCMAKE_C_COMPILER="$(brew --prefix llvm@15)/bin/clang" -DCMAKE_AR="$(brew --prefix llvm@15)/bin/llvm-ar" -DCMAKE_RANLIB="$(brew --prefix llvm@15)/bin/llvm-ranlib" -DCMAKE_C_FLAGS="${{ matrix.config.flags }}" -DBUILD_CURL_EXE=OFF -DBUILD_SHARED_LIBS=OFF -DCURL_DISABLE_INSTALL=ON -DCURL_ENABLE_EXPORT_TARGET=OFF -DCURL_DISABLE_HEADERS_API=ON -DCURL_DISABLE_BINDLOCAL=ON -DBUILD_LIBCURL_DOCS=OFF -DBUILD_MISC_DOCS=OFF -DENABLE_CURL_MANUAL=OFF -DCURL_ZLIB=OFF -DCURL_DISABLE_ALTSVC=ON -DCURL_DISABLE_COOKIES=ON -DCURL_DISABLE_DOH=ON -DCURL_DISABLE_GETOPTIONS=ON -DCURL_DISABLE_HSTS=ON -DCURL_DISABLE_LIBCURL_OPTION=ON -DCURL_DISABLE_MIME=ON -DCURL_DISABLE_NETRC=ON -DCURL_DISABLE_NTLM=ON -DCURL_DISABLE_PARSEDATE=ON -DCURL_DISABLE_PROGRESS_METER=ON -DCURL_DISABLE_SHUFFLE_DNS=ON -DCURL_DISABLE_SOCKETPAIR=ON -DCURL_DISABLE_VERBOSE_STRINGS=ON -DHTTP_ONLY=ON -DCURL_ENABLE_SSL=OFF -DUSE_LIBIDN2=OFF -DCURL_USE_LIBPSL=OFF -DCURL_USE_LIBSSH2=OFF -DENABLE_UNIX_SOCKETS=OFF -DCURL_DISABLE_TESTS=ON -DUSE_NGHTTP2=OFF -DBUILD_EXAMPLES=OFF
         make -j4
         cd lib && mkdir .libs && cp libcurl.a .libs
 
@@ -297,7 +297,7 @@ jobs:
         cd external/src/libuv
         mkdir build
         cd build
-        cmake .. -DCMAKE_C_COMPILER="$(brew --prefix ${{ matrix.config.prefix }})/bin/clang" -DCMAKE_AR="$(brew --prefix ${{ matrix.config.prefix }})/bin/llvm-ar" -DCMAKE_RANLIB="$(brew --prefix ${{ matrix.config.prefix }})/bin/llvm-ranlib" -DCMAKE_C_FLAGS='${{ matrix.config.flags }}' -DBUILD_TESTING=OFF -DLIBUV_BUILD_SHARED=OFF
+        cmake .. -DCMAKE_C_COMPILER="$(brew --prefix llvm@15)/bin/clang" -DCMAKE_AR="$(brew --prefix llvm@15)/bin/llvm-ar" -DCMAKE_RANLIB="$(brew --prefix llvm@15)/bin/llvm-ranlib" -DCMAKE_C_FLAGS='${{ matrix.config.flags }}' -DBUILD_TESTING=OFF -DLIBUV_BUILD_SHARED=OFF
         make -j4
 
     - name: Build libzmq
@@ -305,14 +305,14 @@ jobs:
         cd external/src/libzmq
         mkdir build
         cd build
-        cmake .. -DCMAKE_C_COMPILER="$(brew --prefix ${{ matrix.config.prefix }})/bin/clang" -DCMAKE_CXX_COMPILER="$(brew --prefix ${{ matrix.config.prefix }})/bin/clang++" -DCMAKE_AR="$(brew --prefix ${{ matrix.config.prefix }})/bin/llvm-ar" -DCMAKE_RANLIB="$(brew --prefix ${{ matrix.config.prefix }})/bin/llvm-ranlib" -DCMAKE_C_FLAGS='${{ matrix.config.flags }}' -DCMAKE_CXX_FLAGS='${{ matrix.config.flags }}' -DWITH_LIBSODIUM=OFF -DWITH_LIBBSD=OFF -DBUILD_TESTS=OFF -DWITH_DOCS=OFF -DENABLE_DRAFTS=OFF -DBUILD_SHARED=OFF
+        cmake .. -DCMAKE_C_COMPILER="$(brew --prefix llvm@15)/bin/clang" -DCMAKE_CXX_COMPILER="$(brew --prefix llvm@15)/bin/clang++" -DCMAKE_AR="$(brew --prefix llvm@15)/bin/llvm-ar" -DCMAKE_RANLIB="$(brew --prefix llvm@15)/bin/llvm-ranlib" -DCMAKE_C_FLAGS='${{ matrix.config.flags }}' -DCMAKE_CXX_FLAGS='${{ matrix.config.flags }}' -DWITH_LIBSODIUM=OFF -DWITH_LIBBSD=OFF -DBUILD_TESTS=OFF -DWITH_DOCS=OFF -DENABLE_DRAFTS=OFF -DBUILD_SHARED=OFF
         make -j4
 
     - name: Build p2pool
       run: |
         mkdir build
         cd build
-        cmake .. -DCMAKE_C_COMPILER="$(brew --prefix ${{ matrix.config.prefix }})/bin/clang" -DCMAKE_CXX_COMPILER="$(brew --prefix ${{ matrix.config.prefix }})/bin/clang++" -DCMAKE_AR="$(brew --prefix ${{ matrix.config.prefix }})/bin/llvm-ar" -DCMAKE_RANLIB="$(brew --prefix ${{ matrix.config.prefix }})/bin/llvm-ranlib" -DCMAKE_C_FLAGS='${{ matrix.config.flags }}' -DCMAKE_CXX_FLAGS='${{ matrix.config.flags }}' -DWITH_LTO=OFF -DSTATIC_LIBS=ON -DDEV_TEST_SYNC=ON -DDEV_DEBUG=ON
+        cmake .. -DCMAKE_C_COMPILER="$(brew --prefix llvm@15)/bin/clang" -DCMAKE_CXX_COMPILER="$(brew --prefix llvm@15)/bin/clang++" -DCMAKE_AR="$(brew --prefix llvm@15)/bin/llvm-ar" -DCMAKE_RANLIB="$(brew --prefix llvm@15)/bin/llvm-ranlib" -DCMAKE_C_FLAGS='${{ matrix.config.flags }}' -DCMAKE_CXX_FLAGS='${{ matrix.config.flags }}' -DWITH_LTO=OFF -DSTATIC_LIBS=ON -DDEV_TEST_SYNC=ON -DDEV_DEBUG=ON
         make -j4 p2pool
 
     - name: Run p2pool