jit compilation

A critical vulnerability has once again cast a spotlight on the complex and ever-evolving landscape of web browser security, with CVE-2025-5419—a formidable out-of-bounds read and write flaw found in Chromium’s V8 JavaScript engine—emerging as a real-world threat now reportedly under active...

Here’s a summary of how Windows 11 was successfully run on an Apple iPad using emulation, based on the article: Key Points: Emulation on iPad: With some effort, Windows 11 can run on an iPad using emulation software and an alternative app store. Legal Basis: Thanks to new EU digital...

It started with one of the strangest technical reversals of the decade: the world waking up to the reality that iPads, those artisanal digital canvases of high mobility and Apple panache, can now—thanks to both mischievous innovation and the bureaucratic muscle of the European Union—run Windows...

If you had told me five years ago that I’d be able to fire up Windows 11, play Mario Kart: Double Dash via a GameCube emulator, and multitask Microsoft Excel on an iPad Air, I’d have said you were indulging in too much thermal paste. But here we are, steering dangerously close to a future where...

Windows 11 ARM on iPad Air with UTM and JIT: Dream, Dare, or Just Dilemma? Picture this: you're brandishing a futuristic tablet at a coffee shop, all smug and secure in the knowledge that, beneath that shiny Apple logo, it’s running Windows 11 ARM. If your inner IT rebel is tickled by such...

JavaScript performance has always been a core area of focus for our team. Every release, we look for opportunities to improve end users’ browsing experience on real workloads with shorter start-up time, faster execution, and leaner memory usage. These efforts are guided by invaluable ongoing...

Today, we are happy to announce a new preview release of ChakraCore, based on Node.js 8, available for you to try on Windows, macOS, and Linux. We started our Node-ChakraCore journey with a focus on Link Removed to a new platform, Windows 10 IoT Core. From the beginning, it’s been clear that in...

Some of the most important security features in modern web browsers are those that you never actually see as you browse the web. These security features work behind the scenes to protect you from browser-based vulnerabilities that could be abused by hackers to compromise your device or personal...

Since we first started work on the Chakra JavaScript engine, it has been our mission and priority to make JavaScript faster for the real world web, and to continuously improve the experience of browsing in Microsoft Edge (and previously Internet Explorer). We’ve had a very busy year, with...

In Windows 10 and Microsoft Edge we’ve made a lot of performance advances in the Chakra JavaScript engine. All with the goal of letting your JavaScript code run faster, taking as much advantage of the underlying hardware as possible, so that the web you create and experience in Microsoft Edge...

A couple of months back, we Link Removed that we had started development on Asm.js. Support for Asm.js Link Removed one of the top 10 most-requested items at the Link Removed on UserVoice since we launched it Link Removed. Since that time, we’ve made good progress, and in Windows 10 Insider...