Add April 17 changelog entry

changelog.mdx

@@ -9,6 +9,24 @@ import { YouTubeVideo } from '/snippets/youtube-video.mdx';
 For API library updates, see the [Node SDK](https://github.com/onkernel/kernel-node-sdk/blob/main/CHANGELOG.md), [Python SDK](https://github.com/onkernel/kernel-python-sdk/blob/next/CHANGELOG.md), and [Go SDK](https://github.com/onkernel/kernel-go-sdk/blob/main/CHANGELOG.md) changelogs.
 </Note>
 
+<Update label="April 17" tags={["Product", "Docs"]}>
+## Product updates
+
+- Managed auth now scrolls to find and click submit buttons that are below the initial viewport.
+- Added a [Tzafon](https://www.tzafon.ai/) Northstar computer use template to the [CLI](https://github.com/kernel/cli) for building Northstar-based browser agents.
+- Browser search now matches by pool name in addition to session ID, profile, and proxy.
+- Added an [enterprise option](/info/pricing) to remove the Kernel logo from the live view loading screen.
+- Eliminated live view scrollbar flickering on mobile viewports.
+- Fixed Safari clipboard paste issues in live view iframes.
+
+## Documentation updates
+
+- Added a new [Tzafon Northstar](/integrations/computer-use/tzafon) integration guide.
+- Updated the [bot anti-detection](/browsers/bot-detection) page to document smooth Bezier curve mouse movements, and renamed the Chrome policy configuration page in the nav for clarity.
+- Added documentation for [smooth typing with typo injection](/browsers/computer-controls) — new `smooth` and `typo_chance` parameters for human-like `typeText` behavior.
+- Updated DPA subprocessor list URLs to point to the new trust center at `trust.kernel.sh`.
+</Update>
+
 <Update label="April 10" tags={["Product", "Docs"]}>
 ## Product updates