diff --git a/.github/workflows/bld.yml b/.github/workflows/bld.yml
index 138f5e5..d55711f 100644
--- a/.github/workflows/bld.yml
+++ b/.github/workflows/bld.yml
@@ -1,14 +1,16 @@
 name: bld-ci
 
-on: [push, pull_request, workflow_dispatch]
+on: [ push, pull_request, workflow_dispatch ]
 
 jobs:
   build-bld-project:
-    runs-on: ubuntu-latest
-
     strategy:
       matrix:
-        java-version: [17, 21, 24]
+        java-version: [ 17, 21, 24 ]
+        kotlin-version: [ 1.9.25, 2.0.21, 2.1.20 ]
+        os: [ ubuntu-latest, windows-latest, macos-latest ]
+
+    runs-on: ${{ matrix.os }}
 
     steps:
       - name: Checkout source repository
@@ -22,8 +24,16 @@ jobs:
           distribution: "zulu"
           java-version: ${{ matrix.java-version }}
 
+      - name: Download dependencies [examples]
+        working-directory: examples
+        run: ./bld download
+
+      - name: Run tests with JaCoCo [examples]
+        working-directory: examples
+        run: ./bld compile jacoco
+
       - name: Download dependencies
         run: ./bld download
 
       - name: Run tests
-        run: ./bld compile test
+        run: ./bld compile test
\ No newline at end of file
diff --git a/examples/.idea/bld.xml b/examples/.idea/bld.xml
new file mode 100644
index 0000000..6600cee
--- /dev/null
+++ b/examples/.idea/bld.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="BldConfiguration">
+    <events />
+  </component>
+</project>
\ No newline at end of file
diff --git a/examples/lib/bld/bld-wrapper.properties b/examples/lib/bld/bld-wrapper.properties
index 4b4ed45..85fd25e 100644
--- a/examples/lib/bld/bld-wrapper.properties
+++ b/examples/lib/bld/bld-wrapper.properties
@@ -1,8 +1,8 @@
 bld.downloadExtensionJavadoc=false
 bld.downloadExtensionSources=true
 bld.downloadLocation=
-bld.extension-jacoco=com.uwyn.rife2:bld-jacoco-report:0.9.9
-bld.extension-testng=com.uwyn.rife2:bld-testng:1.0.2
+bld.extension-jacoco=com.uwyn.rife2:bld-jacoco-report:0.9.10-SNAPSHOT
+bld.extension-testng=com.uwyn.rife2:bld-testng:1.0.3-SNAPSHOT
 bld.repositories=MAVEN_LOCAL,MAVEN_CENTRAL,RIFE2_SNAPSHOTS,RIFE2_RELEASES
 bld.sourceDirectories=
 bld.version=2.2.1
diff --git a/examples/src/bld/java/com/example/ExamplesBuild.java b/examples/src/bld/java/com/example/ExamplesBuild.java
index f73038a..9bd0bea 100644
--- a/examples/src/bld/java/com/example/ExamplesBuild.java
+++ b/examples/src/bld/java/com/example/ExamplesBuild.java
@@ -6,7 +6,6 @@ import rife.bld.extension.JacocoReportOperation;
 import rife.bld.extension.TestNgOperation;
 import rife.bld.operations.TestOperation;
 
-import java.io.IOException;
 import java.util.List;
 import java.util.logging.ConsoleHandler;
 import java.util.logging.Level;
@@ -17,7 +16,7 @@ import static rife.bld.dependencies.Scope.test;
 
 /**
  * Example build.
- * 
+ *
  * <pre>{@code
  * ./bld compile test
  * ./bld compile jacoco
diff --git a/src/bld/java/rife/bld/extension/TestNgOperationBuild.java b/src/bld/java/rife/bld/extension/TestNgOperationBuild.java
index 521fc88..88f713c 100644
--- a/src/bld/java/rife/bld/extension/TestNgOperationBuild.java
+++ b/src/bld/java/rife/bld/extension/TestNgOperationBuild.java
@@ -33,7 +33,7 @@ public class TestNgOperationBuild extends Project {
     public TestNgOperationBuild() {
         pkg = "rife.bld.extension";
         name = "bld-testng";
-        version = version(1, 0, 2);
+        version = version(1, 0, 3, "SNAPSHOT");
 
         javaRelease = 17;
 
@@ -100,10 +100,13 @@ public class TestNgOperationBuild extends Project {
 
     @Override
     public void test() throws Exception {
-        new ExecOperation()
-                .fromProject(this)
-                .command("scripts/cliargs.sh")
-                .execute();
+        var os = System.getProperty("os.name");
+        if (os != null && os.toLowerCase().contains("linux")) {
+            new ExecOperation()
+                    .fromProject(this)
+                    .command("scripts/cliargs.sh")
+                    .execute();
+        }
         super.test();
     }
 }
diff --git a/src/test/java/rife/bld/extension/TestNgOperationTest.java b/src/test/java/rife/bld/extension/TestNgOperationTest.java
index 3a9f795..d4f3193 100644
--- a/src/test/java/rife/bld/extension/TestNgOperationTest.java
+++ b/src/test/java/rife/bld/extension/TestNgOperationTest.java
@@ -18,6 +18,8 @@ package rife.bld.extension;
 
 import org.assertj.core.api.AutoCloseableSoftAssertions;
 import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.condition.EnabledOnOs;
+import org.junit.jupiter.api.condition.OS;
 import rife.bld.Project;
 import rife.bld.blueprints.BaseProjectBlueprint;
 import rife.bld.operations.exceptions.ExitStatusException;
@@ -51,6 +53,7 @@ class TestNgOperationTest {
     }
 
     @Test
+    @EnabledOnOs(OS.LINUX)
     void testCheckAllParameters() throws IOException {
         var args = Files.readAllLines(Paths.get("src", "test", "resources", "testng-args.txt"));