diff --git a/.github/workflows/build-docker.yml b/.github/workflows/build-docker.yml
index 68664dfb99d..51aaf2fbac0 100644
--- a/.github/workflows/build-docker.yml
+++ b/.github/workflows/build-docker.yml
@@ -58,6 +58,11 @@ on:
         description: 'Asset Name (if upload-package is true)'
         required: false
         default: 'build-docker-package'
+      tag_postfix:
+        type: string
+        description: 'Either -arm or empty string'
+        required: false
+        default: ''
     secrets:
       LNB_TOKEN:
         required: false
@@ -65,7 +70,7 @@ on:
 jobs:
 
   build-docker:
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-22.04${{ inputs.tag_postfix }}
     steps:
       - name: Free additional disk space (remove Android SDK + Tools)
         continue-on-error: true
@@ -112,7 +117,7 @@ jobs:
           vcpkg_sha_short=$(git rev-parse --short=8 HEAD)
           echo "vcpkg_sha_short=$vcpkg_sha_short" >> $GITHUB_OUTPUT
           docker_build_label=hpccsystems/platform-build-base-${{ inputs.os }}
-          echo "docker_tag=$docker_build_label:$vcpkg_sha_short" >> $GITHUB_OUTPUT
+          echo "docker_tag=$docker_build_label:$vcpkg_sha_short${{ inputs.tag_postfix }}" >> $GITHUB_OUTPUT
 
       - name: Print vars
         shell: "bash"
@@ -128,12 +133,12 @@ jobs:
       - uses: hendrikmuhs/ccache-action@v1.2
         with:
           save: ${{ inputs.update-cache == true }}
-          key: docker-${{ inputs.os }}-${{ inputs.build-type }}-${{ steps.vars.outputs.branch_label }}-${{ inputs.containerized == true && 'k8s' || 'bare-metal' }}-${{ inputs.ln == true && 'LN' || 'HPCC-Platform' }}
+          key: docker${{ inputs.tag_postfix }}-${{ inputs.os }}-${{ inputs.build-type }}-${{ steps.vars.outputs.branch_label }}-${{ inputs.containerized == true && 'k8s' || 'bare-metal' }}-${{ inputs.ln == true && 'LN' || 'HPCC-Platform' }}
           restore-keys: |
-            docker-${{ inputs.os }}-${{ inputs.build-type }}-${{ steps.vars.outputs.branch_label }}-${{ inputs.containerized == true && 'k8s' || 'bare-metal' }}-
-            docker-${{ inputs.os }}-${{ inputs.build-type }}-${{ steps.vars.outputs.branch_label }}-
-            docker-${{ inputs.os }}-${{ inputs.build-type }}-
-            docker-${{ inputs.os }}-
+            docker${{ inputs.tag_postfix }}-${{ inputs.os }}-${{ inputs.build-type }}-${{ steps.vars.outputs.branch_label }}-${{ inputs.containerized == true && 'k8s' || 'bare-metal' }}-
+            docker${{ inputs.tag_postfix }}-${{ inputs.os }}-${{ inputs.build-type }}-${{ steps.vars.outputs.branch_label }}-
+            docker${{ inputs.tag_postfix }}-${{ inputs.os }}-${{ inputs.build-type }}-
+            docker${{ inputs.tag_postfix }}-${{ inputs.os }}-
 
       - name: CMake Configure and Build
         shell: "bash"
@@ -152,7 +157,7 @@ jobs:
               --mount source="${{ github.workspace }}/build",target=/hpcc-dev/build,type=bind,consistency=delegated \
               --mount source="${{ github.workspace }}/.ccache",target=/root/.ccache,type=bind,consistency=delegated \
               ${{ steps.vars.outputs.docker_tag }} "\
-              cmake -G Ninja -S /hpcc-dev/${{ inputs.ln == true && 'LN' || 'HPCC-Platform' }} -B /hpcc-dev/build -DHPCC_SOURCE_DIR=/hpcc-dev/HPCC-Platform -DVCPKG_FILES_DIR=/hpcc-dev -DCMAKE_BUILD_TYPE=${{ inputs.build-type }} -DCONTAINERIZED=${{ inputs.containerized == true && 'ON' || 'OFF' }} -DCPACK_STRIP_FILES=${{ inputs.strip-files == true && 'ON' || 'OFF' }} ${{ inputs.single-package == true && '-DINCLUDE_PLUGINS=ON' || '-D$plugin=ON' }} ${{ inputs.cmake-configuration }} ${{ inputs.cmake-configuration-ex }} && \
+              cmake -G Ninja -S /hpcc-dev/${{ inputs.ln == true && 'LN' || 'HPCC-Platform' }} -B /hpcc-dev/build -DHPCC_SOURCE_DIR=/hpcc-dev/HPCC-Platform -DCMAKE_BUILD_TYPE=${{ inputs.build-type }} -DCONTAINERIZED=${{ inputs.containerized == true && 'ON' || 'OFF' }} -DCPACK_STRIP_FILES=${{ inputs.strip-files == true && 'ON' || 'OFF' }} ${{ inputs.single-package == true && '-DINCLUDE_PLUGINS=ON' || '-D$plugin=ON' }} ${{ inputs.cmake-configuration }} ${{ inputs.cmake-configuration-ex }} && \
               cmake --build /hpcc-dev/build --parallel ${{ inputs.upload-package == true && '--target package' || ''}}" 
           done
 
diff --git a/.github/workflows/build-vcpkg.yml b/.github/workflows/build-vcpkg.yml
index 0beea3e430e..690aa6d8aa0 100644
--- a/.github/workflows/build-vcpkg.yml
+++ b/.github/workflows/build-vcpkg.yml
@@ -64,6 +64,14 @@ jobs:
       asset-name: 'docker-package'
     secrets: inherit
 
+  build-docker-ubuntu-24_04-arm:
+    if: ${{ contains('pull_request,push', github.event_name) }}
+    uses: ./.github/workflows/build-docker.yml
+    with:
+      os: ubuntu-24.04
+      tag_postfix: "-arm"
+    secrets: inherit
+
   build-docker-ubuntu-24_04:
     if: ${{ contains('pull_request,push', github.event_name) }}
     uses: ./.github/workflows/build-docker.yml
@@ -71,6 +79,14 @@ jobs:
       os: ubuntu-24.04
     secrets: inherit
 
+  build-docker-ubuntu-22_04-arm:
+    if: ${{ contains('pull_request,push', github.event_name) }}
+    uses: ./.github/workflows/build-docker.yml
+    with:
+      os: ubuntu-22.04
+      tag_postfix: "-arm"
+    secrets: inherit
+
   build-docker-ubuntu-22_04:
     if: ${{ contains('pull_request,push', github.event_name) }}
     uses: ./.github/workflows/build-docker.yml
@@ -214,3 +230,12 @@ jobs:
       build-type: 'Release'
       cmake-configuration-ex: '-DUSE_CPPUNIT=OFF -DCLIENTTOOLS_ONLY=ON -DINCLUDE_PLUGINS=OFF -DUSE_AZURE=OFF -DUSE_CASSANDRA=OFF -DSUPPRESS_CASSANDRAEMBED=ON -DUSE_JAVA=OFF -DUSE_OPENLDAP=OFF'
     secrets: inherit
+
+  build-gh_runner-macos-14:
+    if: ${{ contains('pull_request,push', github.event_name) }}
+    uses: ./.github/workflows/build-gh_runner.yml
+    with:
+      os: macos-14
+      build-type: 'Release'
+      cmake-configuration-ex: '-DCMAKE_OSX_ARCHITECTURES=arm64 -DUSE_CPPUNIT=OFF -DCLIENTTOOLS_ONLY=ON -DINCLUDE_PLUGINS=OFF -DUSE_AZURE=OFF -DUSE_CASSANDRA=OFF -DSUPPRESS_CASSANDRAEMBED=ON -DUSE_JAVA=OFF -DUSE_OPENLDAP=OFF'
+    secrets: inherit
diff --git a/cmake_modules/vcpkg.cmake b/cmake_modules/vcpkg.cmake
index 9c0466ddedb..a35497ff9bd 100644
--- a/cmake_modules/vcpkg.cmake
+++ b/cmake_modules/vcpkg.cmake
@@ -19,8 +19,15 @@ elseif(APPLE)
     set(VCPKG_TARGET_TRIPLET "x64-osx" CACHE STRING "target triplet")
   endif()
 elseif(UNIX)
+  execute_process(COMMAND uname -m OUTPUT_VARIABLE ARCHITECTURE)
+  string(STRIP ${ARCHITECTURE} ARCHITECTURE)
+  if(ARCHITECTURE MATCHES "arm" OR ARCHITECTURE MATCHES "aarch64")
+    set(VCPKG_HOST_TRIPLET "arm64-linux-dynamic" CACHE STRING "host triplet")
+    set(VCPKG_TARGET_TRIPLET "arm64-linux-dynamic" CACHE STRING "target triplet")
+  else()
     set(VCPKG_HOST_TRIPLET "x64-linux-dynamic" CACHE STRING "host triplet")
     set(VCPKG_TARGET_TRIPLET "x64-linux-dynamic" CACHE STRING "target triplet")
+  endif()
 endif()
 
 message("-- vcpkg settings:")
diff --git a/plugins/mongodb/mongodbembed.cpp b/plugins/mongodb/mongodbembed.cpp
index 6333734a8f1..b0b14c8a3f0 100755
--- a/plugins/mongodb/mongodbembed.cpp
+++ b/plugins/mongodb/mongodbembed.cpp
@@ -27,7 +27,6 @@
 #include <cstdint>
 
 #include "mongocxx/options/client.hpp"
-#include "mongocxx/stdx.hpp"
 #include "mongocxx/cursor.hpp"
 #include "bsoncxx/json.hpp"
 #include "bsoncxx/builder/stream/helpers.hpp"
@@ -36,7 +35,6 @@
 #include "bsoncxx/builder/stream/array.hpp"
 #include "bsoncxx/document/value.hpp"
 #include "bsoncxx/document/view.hpp"
-#include "bsoncxx/stdx/make_unique.hpp"
 #include "bsoncxx/stdx/optional.hpp"
 #include "bsoncxx/stdx/string_view.hpp"
 #include "bsoncxx/builder/basic/array.hpp"
@@ -465,7 +463,7 @@ namespace mongodbembed
         size32_t utf8chars;
         char *utf8;
         rtlUnicodeToUtf8X(utf8chars, utf8, chars, value);
-        query->build()->append(kvp(std::string(field->name), bsoncxx::types::b_utf8{utf8}));
+        query->build()->append(kvp(std::string(field->name), bsoncxx::types::b_string{utf8}));
     }
 
     /**
@@ -678,7 +676,7 @@ namespace mongodbembed
     }
 
     /**
-     * @brief Binds an ECL Data param to a bsoncxx::types::b_utf8
+     * @brief Binds an ECL Data param to a bsoncxx::types::b_string
      *
      * @param name Name of the parameter.
      * @param len Length of the value.
@@ -786,7 +784,7 @@ namespace mongodbembed
     }
 
     /**
-     * @brief Binds an ECL String param to a bsoncxx::types::b_utf8.
+     * @brief Binds an ECL String param to a bsoncxx::types::b_string.
      *
      * @param name Name of the parameter.
      * @param len Number of chars in string.
@@ -799,11 +797,11 @@ namespace mongodbembed
         rtlDataAttr utf8;
         rtlStrToUtf8X(utf8Chars, utf8.refstr(), len, val);
 
-        query->build()->append(kvp(std::string(name), bsoncxx::types::b_utf8{std::string(utf8.getstr(), rtlUtf8Size(utf8Chars, utf8.getdata()))}));
+        query->build()->append(kvp(std::string(name), bsoncxx::types::b_string{std::string(utf8.getstr(), rtlUtf8Size(utf8Chars, utf8.getdata()))}));
     }
 
     /**
-     * @brief Binds an ECL VString param to a bsoncxx::types::b_utf8.
+     * @brief Binds an ECL VString param to a bsoncxx::types::b_string.
      *
      * @param name Name of the parameter.
      * @param val VString value.
@@ -815,11 +813,11 @@ namespace mongodbembed
         rtlDataAttr utf8;
         rtlStrToUtf8X(utf8Chars, utf8.refstr(), strlen(val), val);
 
-        query->build()->append(kvp(std::string(name), bsoncxx::types::b_utf8{std::string(utf8.getstr(), rtlUtf8Size(utf8Chars, utf8.getdata()))}));
+        query->build()->append(kvp(std::string(name), bsoncxx::types::b_string{std::string(utf8.getstr(), rtlUtf8Size(utf8Chars, utf8.getdata()))}));
     }
 
     /**
-     * @brief Binds an ECL UTF8 param to a bsoncxx::types::b_utf8.
+     * @brief Binds an ECL UTF8 param to a bsoncxx::types::b_string.
      *
      * @param name Name of the parameter.
      * @param chars Number of chars in string.
@@ -829,11 +827,11 @@ namespace mongodbembed
     {
         checkNextParam(name);
 
-        query->build()->append(kvp(std::string(name), bsoncxx::types::b_utf8{std::string(val, rtlUtf8Size(chars, val))}));
+        query->build()->append(kvp(std::string(name), bsoncxx::types::b_string{std::string(val, rtlUtf8Size(chars, val))}));
     }
 
     /**
-     * @brief Binds an ECL Unicode param to a bsoncxx::types::b_utf8.
+     * @brief Binds an ECL Unicode param to a bsoncxx::types::b_string.
      *
      * @param name Name of the parameter.
      * @param chars Number of chars in string.
@@ -846,7 +844,7 @@ namespace mongodbembed
         rtlDataAttr utf8;
         rtlUnicodeToUtf8X(utf8chars, utf8.refstr(), chars, val);
 
-        query->build()->append(kvp(std::string(name), bsoncxx::types::b_utf8{std::string(utf8.getstr(), rtlUtf8Size(utf8chars, utf8.getdata()))}));
+        query->build()->append(kvp(std::string(name), bsoncxx::types::b_string{std::string(utf8.getstr(), rtlUtf8Size(utf8chars, utf8.getdata()))}));
     }
 
     /**
@@ -863,7 +861,7 @@ namespace mongodbembed
                             bsoncxx::stdx::string_view) noexcept {}
         };
 
-        auto instance = bsoncxx::stdx::make_unique<mongocxx::instance>(bsoncxx::stdx::make_unique<noop_logger>());
+        auto instance = std::make_unique<mongocxx::instance>(std::make_unique<noop_logger>());
 
         MongoDBConnection::createInstance().configure(std::move(instance));
     }
@@ -1111,7 +1109,7 @@ namespace mongodbembed
         {
             builder << param << ele.get_double().value;
         }
-        else if (ele.type() == bsoncxx::type::k_utf8)
+        else if (ele.type() == bsoncxx::type::k_string)
         {
             builder << param << ele.get_string().value;
         }
@@ -1147,7 +1145,7 @@ namespace mongodbembed
         {
             ctx << ele.get_double().value;
         }
-        else if (ele.type() == bsoncxx::type::k_utf8)
+        else if (ele.type() == bsoncxx::type::k_string)
         {
             ctx << ele.get_string().value;
         }
@@ -1196,7 +1194,7 @@ namespace mongodbembed
             }
             else
             {
-                if (view[key].type() == bsoncxx::type::k_utf8)
+                if (view[key].type() == bsoncxx::type::k_string)
                 {
                     insertValue(builder, std::string(view[key].get_string().value), view[value.substr(1)]);
                 }
@@ -1323,7 +1321,7 @@ namespace mongodbembed
             }
             else
             {
-                if (view[key].type() == bsoncxx::type::k_utf8)
+                if (view[key].type() == bsoncxx::type::k_string)
                 {
                     builder << key << open_document << [&](key_context<> ctx) {
                         buildDocument(ctx, view, ++start);
@@ -1338,7 +1336,7 @@ namespace mongodbembed
         {
             if (!isRsvd)
             {
-                if (view[key].type() == bsoncxx::type::k_utf8)
+                if (view[key].type() == bsoncxx::type::k_string)
                     key = std::string{view[key].get_string().value};
                 else
                     failx("Key must be type String.");
diff --git a/system/jlib/jtrace.cpp b/system/jlib/jtrace.cpp
index e91d63d0d9e..e637f0fccec 100644
--- a/system/jlib/jtrace.cpp
+++ b/system/jlib/jtrace.cpp
@@ -88,6 +88,18 @@ class NoopSpanExporter final : public opentelemetry::sdk::trace::SpanExporter
         return opentelemetry::sdk::common::ExportResult::kSuccess;
     }
 
+   /**
+   * Export all spans that have been exported.
+   * @param timeout an optional timeout, the default timeout means that no
+   * timeout is applied.
+   * @return return true when all data are exported, and false when timeout
+   */
+    virtual bool ForceFlush(
+        std::chrono::microseconds timeout = (std::chrono::microseconds::max)()) noexcept override
+    {
+        return true;
+    }
+
    /**
    * Shut down the exporter. NoopSpanExporter does not need to do anything here.
    * @param timeout an optional timeout.
@@ -277,6 +289,18 @@ class JLogSpanExporter final : public opentelemetry::sdk::trace::SpanExporter
         }
     }
 
+   /**
+   * Export all spans that have been exported.
+   * @param timeout an optional timeout, the default timeout means that no
+   * timeout is applied.
+   * @return return true when all data are exported, and false when timeout
+   */
+    virtual bool ForceFlush(
+      std::chrono::microseconds timeout = (std::chrono::microseconds::max)()) noexcept override
+    {
+        return true;
+    }
+
    /**
    * Shut down the exporter.
    * @param timeout an optional timeout.
diff --git a/system/xmllib/libxslt_processor.cpp b/system/xmllib/libxslt_processor.cpp
index 46fab63f5bc..e2e02f7edb5 100644
--- a/system/xmllib/libxslt_processor.cpp
+++ b/system/xmllib/libxslt_processor.cpp
@@ -732,7 +732,7 @@ CLibXslProcessor::CLibXslProcessor()
     xmlInitParser();
 
     xmlSubstituteEntitiesDefault(1);
-    xmlThrDefSaveNoEmptyTags(1);
+    xmlSaveNoEmptyTags = 1;
     xmlLoadExtDtdDefaultValue = 1;
     xsltMaxDepth = 100000;
     xsltSetLoaderFunc(NULL);
diff --git a/vcpkg b/vcpkg
index 376d53ed2f4..9fc9a5f49c9 160000
--- a/vcpkg
+++ b/vcpkg
@@ -1 +1 @@
-Subproject commit 376d53ed2f40080b6c094501f1f06bb57bb153bc
+Subproject commit 9fc9a5f49c9a2dbeb8ded29f493b57e2736d28dc
diff --git a/vcpkg-configuration.json b/vcpkg-configuration.json
index bff4e206ca6..a0d79fa5ef0 100644
--- a/vcpkg-configuration.json
+++ b/vcpkg-configuration.json
@@ -2,7 +2,7 @@
   "default-registry": {
     "kind": "git",
     "repository": "https://github.com/microsoft/vcpkg",
-    "baseline": "b2cb0da531c2f1f740045bfe7c4dac59f0b2b69c"
+    "baseline": "d5ec528843d29e3a52d745a64b469f810b2cedbf"
   },
   "registries": [],
   "overlay-ports": [