diff --git a/.github/workflows/macos.yml b/.github/workflows/macos.yml
index 13c817087a..8acd90eeff 100644
--- a/.github/workflows/macos.yml
+++ b/.github/workflows/macos.yml
@@ -24,6 +24,8 @@ env:
   CONAN_GLOBAL_CONF: |
     core.download:parallel={{os.cpu_count()}}
     core.upload:parallel={{os.cpu_count()}}
+    core:default_build_profile=libxrpl
+    core:default_profile=libxrpl
     tools.build:jobs={{ (os.cpu_count() * 4/5) | int }}
     tools.build:verbosity=verbose
     tools.compilation:verbosity=verbose
@@ -40,7 +42,7 @@ jobs:
           - Ninja
         configuration:
           - Release
-    runs-on: [self-hosted, macOS]
+    runs-on: [self-hosted, macOS, mac-runner-m1]
     env:
       # The `build` action requires these variables.
       build_dir: .build
@@ -87,7 +89,7 @@ jobs:
           clang --version
       - name: configure Conan
         run : |
-          echo "${CONAN_GLOBAL_CONF}" > global.conf
+          echo "${CONAN_GLOBAL_CONF}" >> $(conan config home)/global.conf
           conan config install conan/profiles/ -tf $(conan config home)/profiles/
           conan profile show
       - name: export custom recipes
diff --git a/.github/workflows/nix.yml b/.github/workflows/nix.yml
index 7543ade692..8218dcc276 100644
--- a/.github/workflows/nix.yml
+++ b/.github/workflows/nix.yml
@@ -25,6 +25,8 @@ env:
   CONAN_GLOBAL_CONF: |
     core.download:parallel={{ os.cpu_count() }}
     core.upload:parallel={{ os.cpu_count() }}
+    core:default_build_profile=libxrpl
+    core:default_profile=libxrpl
     tools.build:jobs={{ (os.cpu_count() * 4/5) | int }}
     tools.build:verbosity=verbose
     tools.compilation:verbosity=verbose
@@ -91,7 +93,8 @@ jobs:
           env | sort
       - name: configure Conan
         run: |
-          echo "${CONAN_GLOBAL_CONF}" >> ${CONAN_HOME}/global.conf
+          echo "${CONAN_GLOBAL_CONF}" >> $(conan config home)/global.conf
+          conan config install conan/profiles/ -tf $(conan config home)/profiles/
           conan profile show
       - name: archive profile
         # Create this archive before dependencies are added to the local cache.
@@ -379,7 +382,8 @@ jobs:
 
         - name: configure Conan
           run: |
-            echo "${CONAN_GLOBAL_CONF}" >> ${CONAN_HOME}/global.conf
+            echo "${CONAN_GLOBAL_CONF}" >> $(conan config home)/global.conf
+            conan config install conan/profiles/ -tf $(conan config home)/profiles/
             conan profile show
         - name: build dependencies
           run: |
diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
index ae0302f2a7..254850f26a 100644
--- a/.github/workflows/windows.yml
+++ b/.github/workflows/windows.yml
@@ -27,6 +27,8 @@ env:
   CONAN_GLOBAL_CONF: |
     core.download:parallel={{os.cpu_count()}}
     core.upload:parallel={{os.cpu_count()}}
+    core:default_build_profile=libxrpl
+    core:default_profile=libxrpl
     tools.build:jobs=24
     tools.build:verbosity=verbose
     tools.compilation:verbosity=verbose
@@ -82,8 +84,7 @@ jobs:
       - name: configure Conan
         shell: bash
         run: |
-          echo "${CONAN_GLOBAL_CONF}" > global.conf
-          mv conan/profiles/libxrpl conan/profiles/default
+          echo "${CONAN_GLOBAL_CONF}" >> $(conan config home)/global.conf
           conan config install conan/profiles/ -tf $(conan config home)/profiles/
           conan profile show
       - name: export custom recipes
diff --git a/conan/profiles/libxrpl b/conan/profiles/libxrpl
index 862244536b..b037b8c4a2 100644
--- a/conan/profiles/libxrpl
+++ b/conan/profiles/libxrpl
@@ -6,10 +6,6 @@
 {% set compiler_version = detect_api.default_compiler_version(compiler, version) %}
 {% endif %}
 
-{% if os == "Linux" %}
-include(default)
-{% endif %}
-
 [settings]
 os={{ os }}
 arch={{ arch }}
diff --git a/src/xrpld/app/misc/ValidatorList.h b/src/xrpld/app/misc/ValidatorList.h
index 4cb32282db..1f5d728824 100644
--- a/src/xrpld/app/misc/ValidatorList.h
+++ b/src/xrpld/app/misc/ValidatorList.h
@@ -226,7 +226,7 @@ class ValidatorList
     TimeKeeper& timeKeeper_;
     boost::filesystem::path const dataPath_;
     beast::Journal const j_;
-    boost::shared_mutex mutable mutex_;
+    std::shared_mutex mutable mutex_;
     using lock_guard = std::lock_guard<decltype(mutex_)>;
     using shared_lock = std::shared_lock<decltype(mutex_)>;
 
diff --git a/src/xrpld/overlay/detail/PeerImp.h b/src/xrpld/overlay/detail/PeerImp.h
index ecd3fc7f63..d5f8e4d179 100644
--- a/src/xrpld/overlay/detail/PeerImp.h
+++ b/src/xrpld/overlay/detail/PeerImp.h
@@ -98,7 +98,7 @@ private:
     // Node public key of peer.
     PublicKey const publicKey_;
     std::string name_;
-    boost::shared_mutex mutable nameMutex_;
+    std::shared_mutex mutable nameMutex_;
 
     // The indices of the smallest and largest ledgers this peer has available
     //
@@ -214,7 +214,7 @@ private:
         total_bytes() const;
 
     private:
-        boost::shared_mutex mutable mutex_;
+        std::shared_mutex mutable mutex_;
         boost::circular_buffer<std::uint64_t> rollingAvg_{30, 0ull};
         clock_type::time_point intervalStart_{clock_type::now()};
         std::uint64_t totalBytes_{0};