diff --git a/builds/msvc/vs2022/libbitcoin-protocol/libbitcoin-protocol.vcxproj b/builds/msvc/vs2022/libbitcoin-protocol/libbitcoin-protocol.vcxproj
index 39ce450..962ed36 100644
--- a/builds/msvc/vs2022/libbitcoin-protocol/libbitcoin-protocol.vcxproj
+++ b/builds/msvc/vs2022/libbitcoin-protocol/libbitcoin-protocol.vcxproj
@@ -60,7 +60,7 @@
       <Configuration>ReleaseLIB</Configuration>
       <Platform>x64</Platform>
     </ProjectConfiguration>
-        <ProjectConfiguration Include="DebugDLL|ARM">
+    <ProjectConfiguration Include="DebugDLL|ARM">
       <Configuration>DebugDLL</Configuration>
       <Platform>ARM</Platform>
     </ProjectConfiguration>
diff --git a/builds/msvc/vs2022/libbitcoin-system.import.props b/builds/msvc/vs2022/libbitcoin-system.import.props
index 662fa27..58f802c 100644
--- a/builds/msvc/vs2022/libbitcoin-system.import.props
+++ b/builds/msvc/vs2022/libbitcoin-system.import.props
@@ -17,29 +17,29 @@
   <!-- These will compile to the target regardless of the compiling platform. -->
   <!-- That will result in a crash of test/executable execution if mismatched. -->
   <PropertyGroup>
-    <Option-avx512>false</Option-avx512>
-    <Option-avx2>true</Option-avx2>
-    <Option-sse41>true</Option-sse41>
-    <Option-shani>false</Option-shani>
-    <Option-neon>false</Option-neon>
+    <!--<Option-512>false</Option-512>-->
+    <!--<Option-256>true</Option-256>-->
+    <!--<Option-128>true</Option-128>-->
+    <Option-sha>false</Option-sha>
   </PropertyGroup>
   <ItemDefinitionGroup>
     <ClCompile>
       <!-- order matters -->
-      <EnableEnhancedInstructionSet Condition="'$(Option-avx2)'   == 'true'">AdvancedVectorExtensions2</EnableEnhancedInstructionSet>
-      <EnableEnhancedInstructionSet Condition="'$(Option-avx512)' == 'true'">AdvancedVectorExtensions512</EnableEnhancedInstructionSet>
+      <!-- Native configuration now specifyies avx, avx2 or avx512 - in which case we run 128, 256, 512. -->
+      <!--<EnableEnhancedInstructionSet Condition="'$(Option-128)' == 'true'">AdvancedVectorExtensions</EnableEnhancedInstructionSet>-->
+      <!--<EnableEnhancedInstructionSet Condition="'$(Option-256)' == 'true'">AdvancedVectorExtensions2</EnableEnhancedInstructionSet>-->
+      <!--<EnableEnhancedInstructionSet Condition="'$(Option-512)' == 'true'">AdvancedVectorExtensions512</EnableEnhancedInstructionSet>-->
     </ClCompile>
   </ItemDefinitionGroup>
 
   <!-- Messages -->
 
   <Target Name="OptionInfo" BeforeTargets="PrepareForBuild">
-    <Message Text="Option-avx512     : $(Option-avx512)" Importance="high"/>
-    <Message Text="Option-avx2       : $(Option-avx2)" Importance="high"/>
-    <Message Text="Option-sse41      : $(Option-sse41)" Importance="high"/>
-    <Message Text="Option-shani      : $(Option-shani)" Importance="high"/>
-    <Message Text="Option-neon       : $(Option-neon)" Importance="high"/>
-  </Target>  
+    <Message Text="Option-sha        : $(Option-sha)" Importance="high"/>
+    <!--<Message Text="Option-512        : $(Option-512)" Importance="high"/>-->
+    <!--<Message Text="Option-256        : $(Option-256)" Importance="high"/>-->
+    <!--<Message Text="Option-128        : $(Option-128)" Importance="high"/>-->
+  </Target>
 
   <!-- Linkage -->
 
@@ -55,11 +55,11 @@
       <PreprocessorDefinitions Condition="'$(Linkage-libbitcoin-system)' == 'static' Or '$(Linkage-libbitcoin-system)' == 'ltcg'">BC_STATIC;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <PreprocessorDefinitions Condition="$(Configuration.IndexOf('Debug')) != -1">_CRTDBG_MAP_ALLOC;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <!-- Enable use of CPU intrinsics. -->
-      <PreprocessorDefinitions Condition="'$(Option-avx512)' == 'true'">WITH_AVX512;%(PreprocessorDefinitions)</PreprocessorDefinitions>
-      <PreprocessorDefinitions Condition="'$(Option-avx2)'   == 'true'">WITH_AVX2;%(PreprocessorDefinitions)</PreprocessorDefinitions>
-      <PreprocessorDefinitions Condition="'$(Option-sse41)'  == 'true'">WITH_SSE41;%(PreprocessorDefinitions)</PreprocessorDefinitions>
-      <PreprocessorDefinitions Condition="'$(Option-shani)'  == 'true'">WITH_SHANI;%(PreprocessorDefinitions)</PreprocessorDefinitions>
-      <PreprocessorDefinitions Condition="'$(Option-neon)'   == 'true'">WITH_NEON;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <!-- Eventually these options will be used to select SVE levels. -->
+      <PreprocessorDefinitions Condition="'$(Option-sha)' == 'true'">WITH_SHA;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <!--<PreprocessorDefinitions Condition="'$(Option-512)' == 'true'">WITH_512;%(PreprocessorDefinitions)</PreprocessorDefinitions>-->
+      <!--<PreprocessorDefinitions Condition="'$(Option-256)' == 'true'">WITH_256;%(PreprocessorDefinitions)</PreprocessorDefinitions>-->
+      <!--<PreprocessorDefinitions Condition="'$(Option-128)' == 'true'">WITH_128;%(PreprocessorDefinitions)</PreprocessorDefinitions>-->
     </ClCompile>    
     <Link>
       <!-- 4099: warns about missing PDB files. -->
diff --git a/builds/msvc/vs2022/libbitcoin-system.import.xml b/builds/msvc/vs2022/libbitcoin-system.import.xml
index e8bed3f..1501f8d 100644
--- a/builds/msvc/vs2022/libbitcoin-system.import.xml
+++ b/builds/msvc/vs2022/libbitcoin-system.import.xml
@@ -16,34 +16,29 @@
   </Rule>
   <Rule Name="libbitcoin-system-options-uiextension" PageTemplate="tool" DisplayName="Bitcoin System Options" SwitchPrefix="/" Order="1">
     <Rule.Categories>
-      <Category Name="avx512" DisplayName="avx512" />
-      <Category Name="avx2" DisplayName="avx2" />
-      <Category Name="sse41" DisplayName="sse41" />
-      <Category Name="shani" DisplayName="shani" />
-      <Category Name="neon" DisplayName="neon" />
+      <!--<Category Name="512" DisplayName="512" />-->
+      <!--<Category Name="256" DisplayName="256" />-->
+      <!--<Category Name="128" DisplayName="128" />-->
+      <Category Name="sha" DisplayName="sha" />
     </Rule.Categories>
     <Rule.DataSource>
       <DataSource Persistence="ProjectFile" ItemType="" />
     </Rule.DataSource>
-    <EnumProperty Name="Option-avx512" DisplayName="Enable AVX512 Intrinsics" Description="Use AVX512 intrinsics." Category="avx512">
+    <EnumProperty Name="Option-sha" DisplayName="Enable SHA Native Hashing" Description="Requires SHANI (xcpu) or Neon (arm) CPU." Category="sha">
       <EnumValue Name="false" DisplayName="No" />
       <EnumValue Name="true" DisplayName="Yes" />
     </EnumProperty>
-    <EnumProperty Name="Option-avx2" DisplayName="Enable AVX2 Intrinsics" Description="Use AVX2 intrinsics." Category="avx2">
+    <!--<EnumProperty Name="Option-512" DisplayName="Enable 512 Bit Vectorization" Description="Requires AVX512 (xcpu) or SVE (arm) CPU." Category="512">
       <EnumValue Name="false" DisplayName="No" />
       <EnumValue Name="true" DisplayName="Yes" />
     </EnumProperty>
-    <EnumProperty Name="Option-sse41" DisplayName="Enable SSE4.1 Intrinsics" Description="Use SSE4.1 intrinsics." Category="sse41">
+    <EnumProperty Name="Option-256" DisplayName="Enable 256 Bit Vectorization" Description="Requires AVX2 (xcpu) or SVE (arm) CPU." Category="256">
       <EnumValue Name="false" DisplayName="No" />
       <EnumValue Name="true" DisplayName="Yes" />
     </EnumProperty>
-    <EnumProperty Name="Option-shani" DisplayName="Enable SHA Native Intrinsics" Description="Use SHA native intrinsics." Category="shani">
+    <EnumProperty Name="Option-128" DisplayName="Enable 128 Bit Vectorization" Description="Requires SSE4.1 (xcpu) or Neon (arm) CPU." Category="128">
       <EnumValue Name="false" DisplayName="No" />
       <EnumValue Name="true" DisplayName="Yes" />
-    </EnumProperty>
-    <EnumProperty Name="Option-neon" DisplayName="Enable ARM Neon Intrinsics" Description="Use ARM Neon intrinsics." Category="neon">
-      <EnumValue Name="false" DisplayName="No" />
-      <EnumValue Name="true" DisplayName="Yes" />
-    </EnumProperty>
+    </EnumProperty>-->
   </Rule>  
 </ProjectSchemaDefinitions>
\ No newline at end of file
diff --git a/install-cmakepresets.sh b/install-cmakepresets.sh
index 4be85b7..02214f3 100755
--- a/install-cmakepresets.sh
+++ b/install-cmakepresets.sh
@@ -81,8 +81,8 @@ ZMQ_ARCHIVE="zeromq-4.3.5.tar.gz"
 
 # Boost archive.
 #------------------------------------------------------------------------------
-BOOST_URL="https://archives.boost.io/release/1.78.0/source/boost_1_78_0.tar.bz2"
-BOOST_ARCHIVE="boost_1_78_0.tar.bz2"
+BOOST_URL="https://archives.boost.io/release/1.86.0/source/boost_1_86_0.tar.bz2"
+BOOST_ARCHIVE="boost_1_86_0.tar.bz2"
 
 
 # Define utility functions.
@@ -1079,6 +1079,7 @@ BOOST_OPTIONS=(
 "--with-iostreams" \
 "--with-locale" \
 "--with-program_options" \
+"--with-thread" \
 "--with-test")
 
 # Define secp256k1 options.