diff --git a/.devcontainer b/.devcontainer
new file mode 160000
index 00000000..3a7e0dd4
--- /dev/null
+++ b/.devcontainer
@@ -0,0 +1 @@
+Subproject commit 3a7e0dd4ceb00c90efe6fb56dcf1836ddcc7b379
diff --git a/.github/workflows/xpbuild.yml b/.github/workflows/xpbuild.yml
new file mode 100644
index 00000000..f0192ca9
--- /dev/null
+++ b/.github/workflows/xpbuild.yml
@@ -0,0 +1,30 @@
+name: Build
+on:
+  push:
+    branches: [ "dev" ]
+  pull_request:
+    branches: [ "dev" ]
+  workflow_dispatch:
+jobs:
+  linux:
+    uses: externpro/externpro/.github/workflows/build-linux.yml@25.05.2
+    with:
+      cmake-workflow-preset: Linux
+      runon: ubuntu-latest
+    secrets: inherit
+  linux-arm64:
+    uses: externpro/externpro/.github/workflows/build-linux.yml@25.05.2
+    with:
+      cmake-workflow-preset: Linux
+      runon: ubuntu-24.04-arm
+    secrets: inherit
+  macos:
+    uses: externpro/externpro/.github/workflows/build-macos.yml@25.05.2
+    with:
+      cmake-workflow-preset: Darwin
+    secrets: inherit
+  windows:
+    uses: externpro/externpro/.github/workflows/build-windows.yml@25.05.2
+    with:
+      cmake-workflow-preset: Windows
+    secrets: inherit
diff --git a/.github/workflows/xprelease.yml b/.github/workflows/xprelease.yml
new file mode 100644
index 00000000..273199e9
--- /dev/null
+++ b/.github/workflows/xprelease.yml
@@ -0,0 +1,20 @@
+name: Release
+on:
+  workflow_dispatch:
+    inputs:
+      workflow_run_url:
+        description: 'URL of the workflow run containing artifacts to upload (e.g., https://github.com/owner/repo/actions/runs/123456789)'
+        required: true
+        type: string
+jobs:
+  # Upload build artifacts as release assets
+  release-from-build:
+    uses: externpro/externpro/.github/workflows/release-from-build.yml@25.05.2
+    with:
+      workflow_run_url: ${{ github.event.inputs.workflow_run_url }}
+      artifact_pattern: "*.tar.xz"
+    permissions:
+      contents: write
+      id-token: write
+      attestations: write
+    secrets: inherit
diff --git a/.gitignore b/.gitignore
index 36437460..4bba7d04 100644
--- a/.gitignore
+++ b/.gitignore
@@ -61,3 +61,8 @@ Temporary Items
 
 #Build cmake dir
 build
+
+# externpro
+.env
+_bld*/
+docker-compose.override.yml
diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 00000000..18932abf
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule ".devcontainer"]
+	path = .devcontainer
+	url = https://github.com/externpro/externpro
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 242c5936..c3308251 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,6 +1,8 @@
-cmake_minimum_required(VERSION 3.5)
+cmake_minimum_required(VERSION 3.5...3.31)
+set(CMAKE_PROJECT_TOP_LEVEL_INCLUDES .devcontainer/cmake/xproinc.cmake)
 project(wirehair)
 
+
 set(CMAKE_CXX_STANDARD 11)
 include(xpflags)
 
@@ -11,6 +13,7 @@ if(NOT CMAKE_BUILD_TYPE)
 endif()
 
 option(MARCH_NATIVE "Use -march=native option" ON)
+option(BUILD_TESTS "build testsuite" ON)
 
 set(LIB_SOURCE_FILES
         wirehair.cpp
@@ -79,18 +82,15 @@ else()
     endforeach()
     if(XP_BUILD_VERBOSE)
         message(STATUS "CMAKE_CXX_FLAGS: ${CMAKE_CXX_FLAGS}")
-        message(STATUS "CMAKE_CXX_FLAGS_DEBUG: ${CMAKE_CXX_FLAGS_DEBUG}")
-        message(STATUS "CMAKE_CXX_FLAGS_RELEASE: ${CMAKE_CXX_FLAGS_RELEASE}")
+        message(STATUS "CMAKE_CXX_FLAGS_DEBUG: ${CMAKE_CXX_FLAGS_DEBUG}") # "-g -O0"
+        message(STATUS "CMAKE_CXX_FLAGS_RELEASE: ${CMAKE_CXX_FLAGS_RELEASE}") # "-O3"
+        message(STATUS "CMAKE_CXX_FLAGS_RELWITHDEBINFO: ${CMAKE_CXX_FLAGS_RELWITHDEBINFO}") # "-g -O3"
     endif()
     if (CMAKE_SYSTEM_PROCESSOR MATCHES "aarch64")
         add_definitions(-DLINUX_ARM=1)
     endif()
 endif()
 
-if(DONT_INSTALL_PYTHON)
-  set(optionalInstall EXCLUDE_FROM_ALL)
-endif()
-
 add_library(wirehair ${LIB_SOURCE_FILES})
 set_target_properties(wirehair PROPERTIES VERSION 2)
 set_target_properties(wirehair PROPERTIES SOVERSION 2)
@@ -98,37 +98,44 @@ target_include_directories(wirehair PUBLIC $<BUILD_INTERFACE:${PROJECT_SOURCE_DI
   $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>
   )
 
-add_executable(unit_test ${UNIT_TEST_SOURCE_FILES})
-target_link_libraries(unit_test wirehair)
+if (BUILD_TESTS)
+    add_executable(unit_test ${UNIT_TEST_SOURCE_FILES})
+    target_link_libraries(unit_test wirehair)
 
-add_executable(gen_small_dseeds ${GEN_SMALL_DSEEDS})
-target_link_libraries(gen_small_dseeds wirehair)
+    add_executable(gen_small_dseeds ${GEN_SMALL_DSEEDS})
+    target_link_libraries(gen_small_dseeds wirehair)
 
-add_executable(gen_peel_seeds ${GEN_PEEL_SEEDS})
-target_link_libraries(gen_peel_seeds wirehair)
+    add_executable(gen_peel_seeds ${GEN_PEEL_SEEDS})
+    target_link_libraries(gen_peel_seeds wirehair)
 
-add_executable(gen_most_dseeds ${GEN_MOST_DSEEDS})
-target_link_libraries(gen_most_dseeds wirehair)
+    add_executable(gen_most_dseeds ${GEN_MOST_DSEEDS})
+    target_link_libraries(gen_most_dseeds wirehair)
 
-add_executable(gen_dcounts ${GEN_DCOUNTS})
-target_link_libraries(gen_dcounts wirehair)
+    add_executable(gen_dcounts ${GEN_DCOUNTS})
+    target_link_libraries(gen_dcounts wirehair)
 
-add_executable(gen_tables ${GEN_TABLES})
-target_link_libraries(gen_tables wirehair)
+    add_executable(gen_tables ${GEN_TABLES})
+    target_link_libraries(gen_tables wirehair)
+endif()
 
 include(GNUInstallDirs)
 
-set(targetsFile ${PROJECT_NAME}-targets)
-install(TARGETS wirehair EXPORT ${targetsFile}
-    ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
-    LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
-    PUBLIC_HEADER DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
+set(lib wirehair)
 if(DEFINED XP_NAMESPACE)
   set(nameSpace NAMESPACE ${XP_NAMESPACE}::)
+  string(PREPEND lib "${XP_NAMESPACE}::")
 endif()
 if(NOT DEFINED XP_INSTALL_CMAKEDIR)
   set(XP_INSTALL_CMAKEDIR ${CMAKE_INSTALL_DATADIR}/cmake)
 endif()
+set(targetsFile ${PROJECT_NAME}-targets)
+xpPackageDevel(TARGETS_FILE ${targetsFile} LIBRARIES ${lib})
+install(TARGETS wirehair EXPORT ${targetsFile}
+    ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
+    LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
+    PUBLIC_HEADER DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
 install(EXPORT ${targetsFile} DESTINATION ${XP_INSTALL_CMAKEDIR} ${nameSpace})
 install(DIRECTORY include/ DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
-install(DIRECTORY python DESTINATION ${CMAKE_INSTALL_PREFIX} ${optionalInstall})
+if(NOT DONT_INSTALL_PYTHON)
+    install(DIRECTORY python DESTINATION ${CMAKE_INSTALL_PREFIX})
+endif()
diff --git a/CMakePresets.json b/CMakePresets.json
new file mode 100644
index 00000000..f82cfdd2
--- /dev/null
+++ b/CMakePresets.json
@@ -0,0 +1,8 @@
+{
+  "version": 8,
+  "include": [
+    ".devcontainer/cmake/presets/xpLinuxNinja.json",
+    ".devcontainer/cmake/presets/xpDarwinNinja.json",
+    ".devcontainer/cmake/presets/xpWindowsVs2022.json"
+  ]
+}
diff --git a/CMakePresetsBase.json b/CMakePresetsBase.json
new file mode 100644
index 00000000..6ca17cf9
--- /dev/null
+++ b/CMakePresetsBase.json
@@ -0,0 +1,21 @@
+{
+  "version": 8,
+  "configurePresets": [
+    {
+      "name": "config-base",
+      "hidden": true,
+      "binaryDir": "${sourceDir}/_bld-${presetName}",
+      "cacheVariables": {
+        "XP_NAMESPACE": "xpro",
+        "DONT_INSTALL_PYTHON": true,
+        "MARCH_NATIVE": "OFF"
+      }
+    }
+  ],
+  "buildPresets": [
+    {
+      "name": "build-base",
+      "hidden": true
+    }
+  ]
+}
diff --git a/docker-compose.sh b/docker-compose.sh
new file mode 120000
index 00000000..85f182f0
--- /dev/null
+++ b/docker-compose.sh
@@ -0,0 +1 @@
+.devcontainer/compose.pro.sh
\ No newline at end of file
diff --git a/docker-compose.yml b/docker-compose.yml
new file mode 120000
index 00000000..46c1f891
--- /dev/null
+++ b/docker-compose.yml
@@ -0,0 +1 @@
+.devcontainer/compose.bld.yml
\ No newline at end of file
diff --git a/include/wirehair/gf256.h b/include/wirehair/gf256.h
index 8396a44e..3a66b606 100644
--- a/include/wirehair/gf256.h
+++ b/include/wirehair/gf256.h
@@ -54,12 +54,12 @@
 // Platform/Architecture
 
 #if defined(__ARM_ARCH) || defined(__ARM_NEON) || defined(__ARM_NEON__)
-    #if !defined IOS
+    #if !defined(__APPLE__)
         #define LINUX_ARM
     #endif
 #endif
 
-#if defined(ANDROID) || defined(IOS) || defined(LINUX_ARM) || defined(__powerpc__) || defined(__s390__)
+#if defined(ANDROID) || defined(__ARM_ARCH) || defined(__ARM_NEON) || defined(__ARM_NEON__) || defined(__powerpc__) || defined(__s390__)
     #define GF256_TARGET_MOBILE
 #endif // ANDROID
 
diff --git a/include/wirehair/wirehair.h b/include/wirehair/wirehair.h
index 451368a0..6636e0e9 100644
--- a/include/wirehair/wirehair.h
+++ b/include/wirehair/wirehair.h
@@ -243,7 +243,7 @@ WIREHAIR_EXPORT WirehairResult wirehair_decode(
 );
 
 /**
-    wirehair_reconstruct()
+    wirehair_recover()
 
     Reconstruct the message after reading is complete.