Microsoft Edge version 143 started rolling out with several useful changes that improve productivity, security, and web performance. The latest update introduces a new Tab Search button for quicker navigation across open tabs, along with enhanced PDF annotation tools that finally add Undo and Redo options for smoother markup editing. After installing the Edge 143 update, you will also see improvements like stronger protection against malicious extensions, better SmartScreen Scareware blocker integration, and new CSS customization options for multi-select checkboxes, giving developers more UI flexibility.
Edge 143 brings FedCM API support, improved box-shadow rendering, and several behind-the-scenes enhancements that boost stability and security across browsing sessions. Additionally, it includes web platform updates, including FedCM API support, improved rendering, and various stability and security fixes. Let’s take a look at what’s New in Microsoft Edge 143.0.3650.75 and how to update your Edge browser latest version.
What’s New in Microsoft Edge 143
Microsoft is rolling out the latest Edge browser update, version 143, with a new Tab Search button, enhanced PDF tools (undo/redo for annotations), improved protection against malicious extensions, and other changes.
- Tab Search: A new search button replaces the old tab actions menu in the title bar to make tabs easier to find.
- PDF Enhancements: Added undo/redo functionality for PDF annotations (highlighting, inking) in the new viewer.
- Malicious Extension Protection: Edge now detects and revokes malicious extensions from third-party sources.
- Mac Mini-Menu Removed: The text selection mini-menu is gone on Mac devices.
- CSS for Checkboxes: Supports the ::checkmark pseudo-element for styling checkmarks in multi-select dropdowns.
- SmartScreen & Scareware: New settings allow sharing detected scam sites with SmartScreen for enhanced protection, with new admin policies available.
The update improves WebGL performance on systems without a real GPU by leveraging Microsoft’s WARP software-based graphics engine. It also resolves various bugs and performance issues present in previous versions.
Also, Microsoft Edge 143 fixes 14 security vulnerabilities, 13 from the Chromium project and one Microsoft-specific flaw (CVE-2025-62223). You can find details about those patches in the Security Update Guideline here.
To check your version, go to: Settings → Help and feedback → About Microsoft Edge.
If your browser hasn’t updated yet, Edge will automatically download and install the new version once available.
Frequently Asked Questions
1. How do I enable the new Tab Search feature in Edge 143?
The Tab Search button appears automatically in the title bar after updating to Edge version 143. No manual steps are needed.
2. Is the PDF undo/redo feature available for all users?
Yes, all users with Edge 143 or later have access to undo and redo options for PDF annotations.
3. What should I do if Edge doesn’t update automatically?
Go to Settings → Help and feedback → About Microsoft Edge to manually check for updates and install the latest version.
4. Can I use the new CSS ::checkmark feature in older versions of Edge?
No, this CSS customization is only supported in Edge 143 and later.
5. Does Edge 143 offer better extension security?
Yes, the update improves malicious extension detection and revokes extensions identified as risky or unsafe.
Also Read:
