diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6bc7935..e3092cd 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -3,7 +3,7 @@ name: CI
 on:
   push:
     branches:
-      - '**'
+      - "**"
 
 jobs:
   build:
@@ -23,9 +23,16 @@ jobs:
 
       - name: Install Playwright Browsers
         run: npx playwright install chromium
-      
+
       # note: we need to build before running tests because it's a chrome extension
       - name: Test
         run: |
           yarn build   
-          yarn test:e2e
\ No newline at end of file
+          yarn test:e2e
+
+      - uses: actions/upload-artifact@v4
+        if: ${{ !cancelled() }}
+        with:
+          name: playwright-report
+          path: playwright-report/
+          retention-days: 30
diff --git a/playwright.config.ts b/playwright.config.ts
index 06bbed5..f5cffd8 100644
--- a/playwright.config.ts
+++ b/playwright.config.ts
@@ -1,4 +1,4 @@
-import { defineConfig, devices } from '@playwright/test';
+import { defineConfig, devices } from "@playwright/test";
 
 /**
  * Read environment variables from file.
@@ -12,68 +12,27 @@ import { defineConfig, devices } from '@playwright/test';
  * See https://playwright.dev/docs/test-configuration.
  */
 export default defineConfig({
-  testDir: 'tests',
+  testDir: "tests",
   /* Run tests in files in parallel */
   fullyParallel: true,
   /* Fail the build on CI if you accidentally left test.only in the source code. */
   forbidOnly: !!process.env.CI,
   /* Retry on CI only */
   retries: process.env.CI ? 2 : 0,
-  /* Opt out of parallel tests on CI. */
   workers: process.env.CI ? 1 : undefined,
   /* Reporter to use. See https://playwright.dev/docs/test-reporters */
-  reporter: 'list',
+  reporter: [["html", { open: "never" }], ["list"]],
   /* Shared settings for all the projects below. See https://playwright.dev/docs/api/class-testoptions. */
   use: {
-    /* Base URL to use in actions like `await page.goto('/')`. */
-    // baseURL: 'http://127.0.0.1:3000',
-
     /* Collect trace when retrying the failed test. See https://playwright.dev/docs/trace-viewer */
-    trace: 'on-first-retry',
+    trace: "on-first-retry",
   },
 
   /* Configure projects for major browsers */
   projects: [
     {
-      name: 'chromium',
-      use: { ...devices['Desktop Chrome'] },
+      name: "chromium",
+      use: { ...devices["Desktop Chrome"] },
     },
-
-    // {
-    //   name: 'firefox',
-    //   use: { ...devices['Desktop Firefox'] },
-    // },
-
-    // {
-    //   name: 'webkit',
-    //   use: { ...devices['Desktop Safari'] },
-    // },
-
-    /* Test against mobile viewports. */
-    // {
-    //   name: 'Mobile Chrome',
-    //   use: { ...devices['Pixel 5'] },
-    // },
-    // {
-    //   name: 'Mobile Safari',
-    //   use: { ...devices['iPhone 12'] },
-    // },
-
-    /* Test against branded browsers. */
-    // {
-    //   name: 'Microsoft Edge',
-    //   use: { ...devices['Desktop Edge'], channel: 'msedge' },
-    // },
-    // {
-    //   name: 'Google Chrome',
-    //   use: { ...devices['Desktop Chrome'], channel: 'chrome' },
-    // },
   ],
-
-  /* Run your local dev server before starting the tests */
-  // webServer: {
-  //   command: 'npm run start',
-  //   url: 'http://127.0.0.1:3000',
-  //   reuseExistingServer: !process.env.CI,
-  // },
 });
diff --git a/src/lib/extensions/CommitUndo.ts b/src/lib/extensions/CommitUndo.ts
new file mode 100644
index 0000000..a9b0bb4
--- /dev/null
+++ b/src/lib/extensions/CommitUndo.ts
@@ -0,0 +1,26 @@
+import { Editor, Extension } from "@tiptap/core";
+import { yUndoPluginKey } from "y-prosemirror";
+import { UndoManager } from "yjs";
+
+const commitUndo = (editor: Editor) => {
+  const state = editor.state;
+  const undoManager: UndoManager = yUndoPluginKey.getState(state).undoManager;
+  undoManager.stopCapturing();
+};
+
+export const CommitUndo = Extension.create({
+  name: "commitOnEnter",
+
+  addKeyboardShortcuts() {
+    return {
+      Enter: ({ editor }) => {
+        commitUndo(editor);
+        return false;
+      },
+      Space: ({ editor }) => {
+        commitUndo(editor);
+        return false;
+      },
+    };
+  },
+});
diff --git a/src/lib/extensions.ts b/src/lib/extensions/index.ts
similarity index 90%
rename from src/lib/extensions.ts
rename to src/lib/extensions/index.ts
index 89fdb89..9a3650a 100644
--- a/src/lib/extensions.ts
+++ b/src/lib/extensions/index.ts
@@ -10,7 +10,8 @@ import { nodePasteRule, type PasteRuleFinder } from "@tiptap/core";
 import * as Y from "yjs";
 import Collaboration from "@tiptap/extension-collaboration";
 import Underline from "@tiptap/extension-underline";
-import TextAlign from '@tiptap/extension-text-align'
+import TextAlign from "@tiptap/extension-text-align";
+import { CommitUndo } from "./CommitUndo";
 
 export const loadExtensions = (doc: Y.Doc) => {
   const ImageFinder: PasteRuleFinder = /data:image\//g;
@@ -35,6 +36,7 @@ export const loadExtensions = (doc: Y.Doc) => {
   });
 
   const lowlight = createLowlight(common);
+  console.log(doc);
 
   // define your extension array
   const extensions = [
@@ -58,8 +60,9 @@ export const loadExtensions = (doc: Y.Doc) => {
       document: doc, // Configure Y.Doc for collaboration
     }),
     TextAlign.configure({
-      types: ['heading', 'paragraph']
-    })
+      types: ["heading", "paragraph"],
+    }),
+    CommitUndo,
   ];
 
   return extensions;
diff --git a/tests/commit.spec.ts b/tests/commit.spec.ts
new file mode 100644
index 0000000..d44f71b
--- /dev/null
+++ b/tests/commit.spec.ts
@@ -0,0 +1,62 @@
+import { test, expect, getPreparedTab, equals } from "./fixtures";
+import { loremIpsum } from "lorem-ipsum";
+
+// skipped because of https://github.com/microsoft/playwright/issues/33832
+test.skip("Ctrl+Z should only undo the last line after Enter", async ({
+    context,
+}) => {
+    const tab = await getPreparedTab(context);
+    const input = await tab.getByRole("textbox");
+    // remove all content
+    await input.fill("");
+
+    // Generate two sentences of text
+    const firstLine = loremIpsum({ count: 1, units: "words" });
+    const secondLine = loremIpsum({ count: 1, units: "words" });
+
+    // Type the first line and press Enter
+    await input.pressSequentially(firstLine, { delay: 10 });
+    await tab.keyboard.press("Enter");
+
+    // Type the second line
+    await input.pressSequentially(secondLine, { delay: 10 });
+
+    // Verify both lines are present in the textbox
+    await equals(input, `${firstLine}\n\n${secondLine}`);
+
+    // Undo the last line by pressing Ctrl+Z
+    await tab.keyboard.press('ControlOrMeta+Z');
+
+    // Verify the second line was removed
+    await equals(input, firstLine);
+});
+
+// skipped because of https://github.com/microsoft/playwright/issues/33832
+test.skip("Ctrl+Z should only undo the last word after Space", async ({
+    context,
+}) => {
+    const tab = await getPreparedTab(context);
+    const input = await tab.getByRole("textbox");
+    // remove all content
+    await input.fill("");
+
+    // Generate two words of text
+    const firstWord = loremIpsum({ count: 1, units: "words" });
+    const secondWord = loremIpsum({ count: 1, units: "words" });
+
+    // Type the first word and press Space
+    await input.pressSequentially(firstWord, { delay: 10 });
+    await tab.keyboard.press("Space");
+
+    // Type the second word
+    await input.pressSequentially(secondWord, { delay: 10 });
+
+    // Verify both words are present in the textbox
+    await equals(input, `${firstWord} ${secondWord}`);
+
+    // Undo the last word by pressing Ctrl+Z
+    await tab.keyboard.press('ControlOrMeta+Z');
+
+    // Verify the second word was removed
+    await equals(input, firstWord);
+});
diff --git a/tests/fixtures.ts b/tests/fixtures.ts
index c865d17..9a3aee7 100644
--- a/tests/fixtures.ts
+++ b/tests/fixtures.ts
@@ -46,3 +46,35 @@ export const test = base.extend<ExtensionFixtures>({
 });
 
 export { expect } from "@playwright/test";
+
+import { Locator } from '@playwright/test';
+
+/**
+ * Verifies that the Tiptap editor content contains the expected text.
+ *
+ * @param editorLocator - The Playwright locator for the editor element.
+ * @param expectedText - The text to verify is contained within the editor.
+ * @throws Error if the expected text is not found in the editor content.
+ */
+export async function contains(editorLocator: Locator, expectedText: string): Promise<void> {
+  const content = await editorLocator.innerText();
+
+  if (!content || !content.includes(expectedText)) {
+    throw new Error(`Expected text "${expectedText}" not found in editor content: "${content || ''}"`);
+  }
+}
+
+/**
+ * Verifies that the Tiptap editor content equals the expected text.
+ *
+ * @param editorLocator - The Playwright locator for the editor element.
+ * @param expectedText - The text to verify exactly matches the editor content.
+ * @throws Error if the editor content does not exactly match the expected text.
+ */
+export async function equals(editorLocator: Locator, expectedText: string): Promise<void> {
+  const content = await editorLocator.innerText();
+
+  if (content !== expectedText) {
+    throw new Error(`Editor content does not match. Expected: "${expectedText}", Found: "${content || ''}"`);
+  }
+}
diff --git a/tests/persistence.spec.ts b/tests/persistence.spec.ts
index 2439a83..d53d41c 100644
--- a/tests/persistence.spec.ts
+++ b/tests/persistence.spec.ts
@@ -5,9 +5,10 @@ test("make sure that text is persistent between page refreshes", async ({
   newtab,
 }) => {
   const testText = loremIpsum({ count: 1, units: "sentences" });
-  await newtab.keyboard.type(testText);
+  await newtab.keyboard.type(testText, {delay: 50});
 
-  // refresh the page
+  // refresh the page after 100ms
+  await new Promise((resolve) => setTimeout(resolve, 100));
   await newtab.reload();
 
   // wait for the text to sync