diff --git a/.jenkins_msys2 b/.jenkins_msys2
new file mode 100644
index 0000000..066839b
--- /dev/null
+++ b/.jenkins_msys2
@@ -0,0 +1,137 @@
+#!groovy
+pipeline {
+  agent none
+
+  environment {
+    PROJECT_TEST_CONFIG_DIR = "C:\\.ci\\cpp_build_system\\test"
+  }
+
+  options {
+    disableConcurrentBuilds()
+    skipDefaultCheckout()
+    timestamps()
+  }
+
+  stages {
+    stage('msys2 x86_64') {
+      agent any
+      stages {
+        stage('Checkout') {
+          steps {
+            script {
+              int maxAttempts = 6
+              int baseDelay = 10
+              for (int attempt = 1; attempt <= maxAttempts; attempt++) {
+                try {
+                  checkout scm
+                  break
+                } catch (err) {
+                  if (attempt == maxAttempts) { throw err }
+                  int waitSec = baseDelay * (1 << (attempt - 1))
+                  echo "Checkout failed (attempt ${attempt}/${maxAttempts}). Waiting ${waitSec}s before retry..."
+                  sleep time: waitSec, unit: 'SECONDS'
+                }
+              }
+            }
+          }
+        }
+
+        stage('msys2_x86_64_shared') {
+          steps {
+            script { retryWithBackoff(2, 5) { cmd 'scripts\\test_msys2.cmd shared "" x86_64' } }
+          }
+        }
+        stage('msys2_x86_64_shared_crypto') {
+          steps {
+            script { retryWithBackoff(2, 5) { cmd 'scripts\\test_msys2.cmd shared 1 x86_64' } }
+          }
+        }
+        stage('msys2_x86_64_shared_crypto_no_boost') {
+          steps {
+            script { retryWithBackoff(2, 5) { cmd 'scripts\\test_msys2.cmd shared 7 x86_64' } }
+          }
+        }
+        stage('msys2_x86_64_shared_dsm') {
+          steps {
+            script { retryWithBackoff(2, 5) { cmd 'scripts\\test_msys2.cmd shared 2 x86_64' } }
+          }
+        }
+        stage('msys2_x86_64_shared_sqlite') {
+          steps {
+            script { retryWithBackoff(2, 5) { cmd 'scripts\\test_msys2.cmd shared 3 x86_64' } }
+          }
+        }
+        stage('msys2_x86_64_shared_errors_v1') {
+          steps {
+            script { retryWithBackoff(2, 5) { cmd 'scripts\\test_msys2.cmd shared 4 x86_64' } }
+          }
+        }
+        stage('msys2_x86_64_shared_fmt') {
+          steps {
+            script { retryWithBackoff(2, 5) { cmd 'scripts\\test_msys2.cmd shared 5 x86_64' } }
+          }
+        }
+        stage('msys2_x86_64_shared_libevent') {
+          steps {
+            script { retryWithBackoff(2, 5) { cmd 'scripts\\test_msys2.cmd shared 6 x86_64' } }
+          }
+        }
+        stage('msys2_x86_64_static') {
+          steps {
+            script { retryWithBackoff(2, 5) { cmd 'scripts\\test_msys2.cmd static "" x86_64' } }
+          }
+        }
+        stage('msys2_x86_64_static_crypto') {
+          steps {
+            script { retryWithBackoff(2, 5) { cmd 'scripts\\test_msys2.cmd static 1 x86_64' } }
+          }
+        }
+        stage('msys2_x86_64_static_crypto_no_boost') {
+          steps {
+            script { retryWithBackoff(2, 5) { cmd 'scripts\\test_msys2.cmd static 7 x86_64' } }
+          }
+        }
+        stage('msys2_x86_64_static_dsm') {
+          steps {
+            script { retryWithBackoff(2, 5) { cmd 'scripts\\test_msys2.cmd static 2 x86_64' } }
+          }
+        }
+        stage('msys2_x86_64_static_sqlite') {
+          steps {
+            script { retryWithBackoff(2, 5) { cmd 'scripts\\test_msys2.cmd static 3 x86_64' } }
+          }
+        }
+        stage('msys2_x86_64_static_errors_v1') {
+          steps {
+            script { retryWithBackoff(2, 5) { cmd 'scripts\\test_msys2.cmd static 4 x86_64' } }
+          }
+        }
+        stage('msys2_x86_64_static_fmt') {
+          steps {
+            script { retryWithBackoff(2, 5) { cmd 'scripts\\test_msys2.cmd static 5 x86_64' } }
+          }
+        }
+        stage('msys2_x86_64_static_libevent') {
+          steps {
+            script { retryWithBackoff(2, 5) { cmd 'scripts\\test_msys2.cmd static 6 x86_64' } }
+          }
+        }
+      }
+    }
+  }
+}
+
+def retryWithBackoff(int maxAttempts, int baseDelaySeconds, Closure body) {
+  for (int attempt = 1; attempt <= maxAttempts; attempt++) {
+    try {
+      body()
+      return
+    } catch (err) {
+      if (attempt == maxAttempts) { throw err }
+      int waitSec = baseDelaySeconds * (1 << (attempt - 1))
+      echo "Step failed (attempt ${attempt}/${maxAttempts}). Waiting ${waitSec}s before retry..."
+      sleep time: waitSec, unit: 'SECONDS'
+    }
+  }
+}
+
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0cbad1d..2918674 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,10 @@
 
 - \#1 Add Windows MSYS2 Jenkins build and testing support
 
+### Changes from v1.0.0-release
+
+- Remove stray "_libevent_" inserted mid-name on macOS x86_64 Jenkins test builds
+
 ---
 
 ## v1.0.0-release
diff --git a/create_project.sh b/create_project.sh
index 848101a..b6c88c8 100755
--- a/create_project.sh
+++ b/create_project.sh
@@ -18,6 +18,7 @@ create_versions_cmake
 
 process_file .jenkins_builds
 process_file .jenkins_macos
+process_file .jenkins_msys2
 process_file .nvimrc
 process_file CMakeLists.txt
 process_file config.sh
diff --git a/scripts/common.sh b/scripts/common.sh
index e773ae6..d0ca400 100755
--- a/scripts/common.sh
+++ b/scripts/common.sh
@@ -52,7 +52,7 @@ elif [ "${WITH_TYPE}" == "7" ]; then
 fi
 
 if [ "${BUILD_ARCH}" != "" ]; then
-  NAME=${NAME}_libevent_${BUILD_ARCH}
+  NAME=${NAME}_${BUILD_ARCH}
 fi
 
 rm -rf "${TEST_DIR}/${NAME}"
diff --git a/scripts/test_msys2.cmd b/scripts/test_msys2.cmd
new file mode 100755
index 0000000..316efe9
--- /dev/null
+++ b/scripts/test_msys2.cmd
@@ -0,0 +1,82 @@
+@echo off
+
+setlocal EnableExtensions
+
+set "SED=sed"
+
+set "SCRIPTS_DIR=%~dp0"
+pushd "%SCRIPTS_DIR%"
+set "SCRIPTS_DIR=%CD%"
+popd
+
+set "SOURCE_DIR=%~dp0.."
+pushd "%SOURCE_DIR%"
+set "SOURCE_DIR=%CD%"
+popd
+
+set "TEST_DIR=%SOURCE_DIR%\build"
+
+set "PLATFORM=msys2"
+set "BUILD_TYPE=%~1"
+set "WITH_TYPE=%~2"
+
+if /I not "%BUILD_TYPE%"=="shared" if /I not "%BUILD_TYPE%"=="static" (
+  call :ERROR_EXIT "Must specify 'shared' or 'static'." 1
+)
+
+if not defined TEST_DIR (
+  call :ERROR_EXIT "TEST_DIR is not set." 1
+)
+
+if not exist "%TEST_DIR%" mkdir "%TEST_DIR%"
+
+set "NAME=%PLATFORM%_%BUILD_TYPE%"
+if "%WITH_TYPE%"=="1" set "NAME=%NAME%_crypto"
+if "%WITH_TYPE%"=="2" set "NAME=%NAME%_dsm"
+if "%WITH_TYPE%"=="3" set "NAME=%NAME%_sqlite"
+if "%WITH_TYPE%"=="4" set "NAME=%NAME%_errors_v1"
+if "%WITH_TYPE%"=="5" set "NAME=%NAME%_fmt"
+if "%WITH_TYPE%"=="6" set "NAME=%NAME%_libevent"
+if "%WITH_TYPE%"=="7" set "NAME=%NAME%_crypto_no_boost"
+
+if exist "%TEST_DIR%\%NAME%\" rd /s /q "%TEST_DIR%\%NAME%"
+
+pushd "%SOURCE_DIR%"
+call ".\create_project.cmd" "%NAME%" "%TEST_DIR%" || (
+  call :ERROR_EXIT "Failed to create %PLATFORM% project." 2
+)
+popd
+
+pushd "%TEST_DIR%\%NAME%"
+if "%WITH_TYPE%"=="1" (
+  %SED% -i "s/PROJECT_ENABLE_LIBSODIUM=OFF/PROJECT_ENABLE_LIBSODIUM=ON/g" ".\config.sh"
+  %SED% -i "s/PROJECT_ENABLE_BOOST=OFF/PROJECT_ENABLE_BOOST=ON/g"         ".\config.sh"
+  %SED% -i "s/PROJECT_ENABLE_JSON=OFF/PROJECT_ENABLE_JSON=ON/g"           ".\config.sh"
+)
+if "%WITH_TYPE%"=="2" %SED% -i "s/PROJECT_ENABLE_LIBDSM=OFF/PROJECT_ENABLE_LIBDSM=ON/g" ".\config.sh"
+if "%WITH_TYPE%"=="3" %SED% -i "s/PROJECT_ENABLE_SQLITE=OFF/PROJECT_ENABLE_SQLITE=ON/g" ".\config.sh"
+if "%WITH_TYPE%"=="4" %SED% -i "s/PROJECT_ENABLE_V2_ERRORS=ON/PROJECT_ENABLE_V2_ERRORS=OFF/g" ".\config.sh"
+if "%WITH_TYPE%"=="5" %SED% -i "s/PROJECT_ENABLE_FMT=OFF/PROJECT_ENABLE_FMT=ON/g" ".\config.sh"
+if "%WITH_TYPE%"=="6" %SED% -i "s/PROJECT_ENABLE_LIBEVENT=OFF/PROJECT_ENABLE_LIBEVENT=ON/g" ".\config.sh"
+if "%WITH_TYPE%"=="7" %SED% -i "s/PROJECT_ENABLE_LIBSODIUM=OFF/PROJECT_ENABLE_LIBSODIUM=ON/g" ".\config.sh"
+
+if /I "%BUILD_TYPE%"=="shared" (
+  %SED% -i "s/PROJECT_STATIC_LINK=ON/PROJECT_STATIC_LINK=OFF/g" ".\config.sh"
+)
+
+call ".\scripts\make_win32.cmd" || (
+  call :ERROR_EXIT "build %PLATFORM% failed." 3
+)
+
+call ".\scripts\run_tests.cmd" || (
+  call :ERROR_EXIT "testing %PLATFORM% failed." 3
+)
+popd
+
+if exist "%TEST_DIR%\%NAME%\" rd /s /q "%TEST_DIR%\%NAME%"
+
+exit /b 0
+
+:ERROR_EXIT
+echo %~1
+exit /b %~2
diff --git a/src/.jenkins_msys2 b/src/.jenkins_msys2
new file mode 100644
index 0000000..907bab8
--- /dev/null
+++ b/src/.jenkins_msys2
@@ -0,0 +1,77 @@
+#!groovy
+
+pipeline {
+  agent none
+
+  environment {
+    PROJECT_TEST_CONFIG_DIR = "c:\\.ci\\%PROJECT_NAME%\\test"
+  }
+
+  options {
+    disableConcurrentBuilds()
+    skipDefaultCheckout()
+    timestamps()
+  }
+
+  stages {
+    // stage('Build • Test • Deliver')
+    stage('Build • Test') {
+      agent any
+      stages {
+        stage('Checkout') {
+          steps {
+            script {
+              int maxAttempts = 6
+              int baseDelay   = 10
+              for (int attempt = 1; attempt <= maxAttempts; attempt++) {
+                try {
+                  checkout scm
+                  break
+                } catch (err) {
+                  if (attempt == maxAttempts) { throw err }
+                  int waitSec = baseDelay * (1 << (attempt - 1))
+                  echo "Checkout failed (attempt ${attempt}/${maxAttempts}). Waiting ${waitSec}s before retry..."
+                  sleep time: waitSec, unit: 'SECONDS'
+                }
+              }
+            }
+          }
+        }
+
+        stage('msys2_x86_64') {
+          steps { script { retryWithBackoff(2, 5) { cmd 'scripts\\make_win32.cmd x86_64' } } }
+        }
+
+        stage('test') {
+          steps {
+            script {
+              retryWithBackoff(2, 5) { cmd 'scripts\\run_tests.cmd x86_64' }
+            }
+          }
+        }
+
+        // stage('deliver') {
+        //   steps {
+        //     script {
+        //       retryWithBackoff(3, 10) { cmd 'scripts\\deliver.cmd C:\\deliver\\%PROJECT_NAME% "" x86_64' }
+        //     }
+        //   }
+        // }
+      }
+    }
+  }
+}
+
+def retryWithBackoff(int maxAttempts, int baseDelaySeconds, Closure body) {
+  for (int attempt = 1; attempt <= maxAttempts; attempt++) {
+    try {
+      body()
+      return
+    } catch (err) {
+      if (attempt == maxAttempts) { throw err }
+      int waitSec = baseDelaySeconds * (1 << (attempt - 1))
+      echo "Step failed (attempt ${attempt}/${maxAttempts}). Waiting ${waitSec}s before retry..."
+      sleep time: waitSec, unit: 'SECONDS'
+    }
+  }
+}