service workers

A newly assigned Chromium vulnerability, CVE-2025-10200, is a use‑after‑free flaw in the ServiceWorker implementation that Google patched in its September stable updates; the bug allows a remote attacker, by luring a user to a crafted page, to trigger heap corruption and potentially achieve...

Just last week, more than 5000 people attended the very first online PWA Summit, and learned about topics such as bringing PWAs to app stores, new web capabilities, accessibility, offline authentication and much more. If you missed out on the event, you can watch the full recording here. With...

Performance is essential to your success, which makes it core to ours. To help ensure the browser doesn’t slow you down, we always keep performance in mind as we continue to improve Microsoft Edge. We’re also working to help you understand how Microsoft Edge is using the resources on your device...

Notifications are an important part of the web, helping users stay up to date about what’s going on. Earlier this summer we announced a set of changes to make notification requests less distracting for users. This was just the first step, and we are working to reenable the full notification...

In March there was quite a big update on my computer which took a whopping 30 minutes for the computer to install with three reboots (bare in mind this computer takes about 10-13 seconds to start that's a long time) and since then it seems that Edge browser is now loading up YouTube very slowly...

Yesterday, Yusuf Mehdi announced the Windows 10 October 2018 Update, the newest feature update for Windows 10. The October 2018 Update brings with it the best version of Microsoft Edge yet, with new features and enhancements, and updates the web platform to EdgeHTML 18. You can get the Windows...

The next update to Microsoft Edge is now available with the Windows 10 April 2018 Update! This update includes EdgeHTML 17, the next major version of Microsoft Edge’s rendering engine, as well as new features and everyday improvements across the product. You can get your hands on the April 2018...

A little over a year ago, we outlined our vision to bring Progressive Web Apps (PWAs) to the more than half a billion devices running Windows 10. We believe PWAs are key to the web’s future, and couldn’t be more excited about their potential to enable more immersive web app experiences across...

We’re thrilled to announce that today’s Windows Insider build enables Service Workers by default in Microsoft Edge for the first time. This is an exciting milestone for us and for the web! These new APIs allow the web to offer better experiences when devices are offline or have limited...

Today, we’re beginning to roll out the Windows 10 Fall Creators Update to Windows 10 customers around the world. This release upgrades Microsoft Edge to EdgeHTML 16, the best version of Microsoft Edge yet. The Fall Creators Update also includes new enhancements like improved favorites management...

Last week, Microsoft welcomed thousands of developers from around the world to Build 2017, where we shared our vision for the future of dozens of products and services. Build featured a number of exciting sessions for developers building sites and apps with web technologies, including a peek at...

Just a short time ago, the new Microsoft Intune for Education was announced for teachers and technologists to manage devices, accounts, and apps for students. Since that time, we’ve heard from a number of developers and app publishers who work in education, who have questions about how their...

Editor’s note: This is the fifth in a series of posts from the team that built the 10k Apart contest site, exploring the process of building for interoperability, accessibility, and progressive enhancement in less than 10kB. In the previous post in this series, I discussed my approach to CSS...

Editor’s Note – this post was originally posted on Medium and has been updated to reflect the latest information. Let’s talk about the progress of web apps. No, that’s not an autocorrect mistake from “progressive web apps” — let’s take a look at how the web has progressed from “a large...

Starting in EdgeHTML 14, coming with this summer’s Windows 10 Anniversary Update, Microsoft Edge will support the highly anticipated Fetch APIs. This represents the first step in our planned journey to supporting Service Worker in a future release. You can preview the Fetch APIs in Link Removed...

Starting with the most recent Windows Insider Preview release (build 14.14342), Web Notifications are enabled by default in Microsoft Edge on Windows 10 PCs and tablets. This feature will be available to all Microsoft Edge customers in EdgeHTML 14, coming this summer with the Windows 10...