cherry-pick(#23165): docs: update release notes

Signed-off-by: Andrey Lushnikov <aslushnikov@gmail.com>
Signed-off-by: Max Schmitt <max@schmitt.mx>
Co-authored-by: Max Schmitt <max@schmitt.mx>

docs/src/release-notes-js.md

@@ -8,8 +8,10 @@ import LiteYouTube from '@site/src/components/LiteYouTube';
 
 ## Version 1.34
 
-### New APIs
+### Highlights
 
+* UI Mode now shows steps, fixtures and attachments:
+  ![UI Mode attachments](https://github.com/microsoft/playwright/assets/746130/1d280419-d79a-4a56-b2dc-54d631281d56)
 * New property [`property: TestProject.teardown`] to specify a project that needs to run after this
   and all dependent projects have finished. Teardown is useful to cleanup any resources acquired by this project.
 
@@ -46,6 +48,18 @@ import LiteYouTube from '@site/src/components/LiteYouTube';
     ],
   });
   ```
+* New method [`expect.configure`](./test-assertions.md#expectconfigure) to
+  create pre-configured expect instance with its own defaults such as `timeout`
+  and `soft`.
+
+  ```js
+  const slowExpect = expect.configure({ timeout: 10000 });
+  await slowExpect(locator).toHaveText('Submit');
+
+  // Always do soft assertions.
+  const softExpect = expect.configure({ soft: true });
+  ```
+
 * New options `stderr` and `stdout`  in [`property: TestConfig.webServer`] to configure output handling:
 
   ```js title="playwright.config.ts"

docs/src/test-assertions-js.md

@@ -128,7 +128,10 @@ defaults such as `timeout` and `soft`.
 
 ```js
 const slowExpect = expect.configure({ timeout: 10000 });
-await slowExpect(locator).toHaveText('Submit);
+await slowExpect(locator).toHaveText('Submit');
+
+// Always do soft assertions.
+const softExpect = expect.configure({ soft: true });
 ```
 
 ## expect.poll