diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 591fc722..ad142721 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -16,14 +16,14 @@ jobs:
 
     strategy:
       matrix:
-        node: [12, 14, 16]
+        node: [20]
 
     steps:
       - name: Check out repo
         uses: actions/checkout@v4.0.0
 
       - name: Install Node
-        uses: actions/setup-node@v3.8.1
+        uses: actions/setup-node@v4.0.2
         with:
           node-version: ${{ matrix.node }}
 
diff --git a/README.md b/README.md
index 56065763..abb2b2e0 100644
--- a/README.md
+++ b/README.md
@@ -17,10 +17,10 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions/setup-dotnet@v1
           with:
-            dotnet-version: 3.1.101
+            dotnet-version: 7.0.x
       - uses: xt0rted/dotnet-format-problem-matcher@v1
       - run: dotnet tool install -g dotnet-format
-      - run: dotnet-format --dry-run
+      - run: dotnet format --no-restore --verify-no-changes
 ```
 
 ![Example of inline annotations](docs/annotations.png)
@@ -36,3 +36,4 @@ Name | Allowed values | Description
 ## License
 
 The scripts and documentation in this project are released under the [MIT License](LICENSE)
+ 
\ No newline at end of file
diff --git a/__tests__/problemMatcher.test.ts b/__tests__/problemMatcher.test.ts
index c8600312..ddcb7612 100644
--- a/__tests__/problemMatcher.test.ts
+++ b/__tests__/problemMatcher.test.ts
@@ -15,11 +15,9 @@ describe("problemMatcher", () => {
 
   describe("pattern", () => {
     const reportOutput = [
-      "  Formatting code files in workspace 'C:\\dev\\application\\application.sln'.",
-      "  src\\ConsoleApp\\Program.cs(5,18): Fix whitespace formatting 1.",
-      "  src\\ConsoleApp\\Program.cs(8,30): Fix whitespace formatting 2.",
-      "  Formatted code file 'Program.cs'.",
-      "  Format complete in 4451ms.",
+      "/path/file.cs(15,2): error WHITESPACE: Fix whitespace formatting. Insert '\t'. [/path/project.csproj]",
+      "/path/file.cs(15,3): error WHITESPACE: Fix whitespace formatting. Replace 4 characters with '\n\t\t\t'. [/path/project.csproj]",
+      "/path/file.cs(16,84): error WHITESPACE: Fix whitespace formatting. Replace 4 characters with '\n\t\t\t'. [/path/project.csproj]",
     ];
 
     let pattern: ProblemPattern;
@@ -34,19 +32,26 @@ describe("problemMatcher", () => {
     });
 
     it("matches violations", () => {
-      expect(results.length).toEqual(2);
+      expect(results.length).toEqual(3);
     });
 
     it("matches violation details", () => {
-      expect(results[0][pattern.file]).toEqual("src\\ConsoleApp\\Program.cs");
-      expect(results[0][pattern.line]).toEqual("5");
-      expect(results[0][pattern.column]).toEqual("18");
-      expect(results[0][pattern.message]).toEqual("Fix whitespace formatting 1.");
-
-      expect(results[1][pattern.file]).toEqual("src\\ConsoleApp\\Program.cs");
-      expect(results[1][pattern.line]).toEqual("8");
-      expect(results[1][pattern.column]).toEqual("30");
-      expect(results[1][pattern.message]).toEqual("Fix whitespace formatting 2.");
+      expect(results[0][pattern.file]).toEqual("/path/file.cs");
+      expect(results[0][pattern.line]).toEqual("15");
+      expect(results[0][pattern.column]).toEqual("2");
+      expect(results[0][pattern.message]).toEqual("Fix whitespace formatting. Insert '\t'.");
+      expect(results[0][pattern.severity]).toEqual("error");
+      expect(results[0][pattern.code]).toEqual("WHITESPACE");
+
+      expect(results[1][pattern.file]).toEqual("/path/file.cs");
+      expect(results[1][pattern.line]).toEqual("15");
+      expect(results[1][pattern.column]).toEqual("3");
+      expect(results[1][pattern.message]).toEqual("Fix whitespace formatting. Replace 4 characters with '\n\t\t\t'.");
+
+      expect(results[2][pattern.file]).toEqual("/path/file.cs");
+      expect(results[2][pattern.line]).toEqual("16");
+      expect(results[2][pattern.column]).toEqual("84");
+      expect(results[2][pattern.message]).toEqual("Fix whitespace formatting. Replace 4 characters with '\n\t\t\t'.");
     });
   });
 });
diff --git a/action.yml b/action.yml
index ba0807f1..9a829104 100644
--- a/action.yml
+++ b/action.yml
@@ -15,5 +15,5 @@ inputs:
     default: add
 
 runs:
-  using: "node12"
+  using: "node20"
   main: "dist/index.js"
diff --git a/package.json b/package.json
index 92f54a2c..83d74d0d 100644
--- a/package.json
+++ b/package.json
@@ -7,7 +7,7 @@
   "scripts": {
     "build": "tsc",
     "lint": "tsc --noEmit",
-    "package": "ncc build src/main.ts",
+    "package": "ncc build src/main.ts && cp src/*.json dist/",
     "release": "npm run package && git add -f dist/",
     "test": "jest"
   },
diff --git a/src/problem-matcher.json b/src/problem-matcher.json
index 83875a33..2f7ef4ef 100644
--- a/src/problem-matcher.json
+++ b/src/problem-matcher.json
@@ -4,11 +4,14 @@
       "owner": "dotnet-format",
       "pattern": [
         {
-          "regexp": "^\\s+(.*)\\((\\d+),(\\d+)\\):\\s+(.*)$",
+          "regexp": "^\\s*(.*)\\((\\d+),(\\d+)\\): (\\w+) ([^:]+): ([^\\[]+) \\[(.*)\\]",
           "file": 1,
           "line": 2,
           "column": 3,
-          "message": 4
+          "severity": 4,
+          "code": 5,
+          "message": 6,
+          "fromPath": 7
         }
       ]
     }