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Meta Hires AWS Cloud Architect Dave Brown to Lead Its Foray Into Commercial AI Compute·MSFT +0.1%No More Snipping Tool: Copilot Can Now See Your Screen to Offer Real-Time Help·NVDA +3.0%Why Windows 11's Preview Pane Went Blank After October 2025—and How to Fix It Without Sacrificing Security·GOOGL +1.2%Why Windows 11’s Copy and Paste Still Breaks—and What You Can Actually Do·AMZN +2.9%Windows 11 Alt+Tab Glitches? Your Complete Fix Kit for Keyboard, Settings, and Driver Woes·MSFT +0.1%WSUS Sync Delays Disrupt July’s Patch Tuesday: What Windows Admins Must Do Now·NVDA +3.0%How to Flush a Stubborn DNS Cache on Windows 11 and Instantly Solve Most Website Woes·GOOGL +1.2%Why Your LastPass Extension Disappeared from Chrome—and the Right Way to Bring It Back·AMZN +2.9%Meta Hires AWS Cloud Architect Dave Brown to Lead Its Foray Into Commercial AI Compute·MSFT +0.1%No More Snipping Tool: Copilot Can Now See Your Screen to Offer Real-Time Help·NVDA +3.0%Why Windows 11's Preview Pane Went Blank After October 2025—and How to Fix It Without Sacrificing Security·GOOGL +1.2%Why Windows 11’s Copy and Paste Still Breaks—and What You Can Actually Do·AMZN +2.9%Windows 11 Alt+Tab Glitches? Your Complete Fix Kit for Keyboard, Settings, and Driver Woes·MSFT +0.1%WSUS Sync Delays Disrupt July’s Patch Tuesday: What Windows Admins Must Do Now·NVDA +3.0%How to Flush a Stubborn DNS Cache on Windows 11 and Instantly Solve Most Website Woes·GOOGL +1.2%Why Your LastPass Extension Disappeared from Chrome—and the Right Way to Bring It Back·AMZN +2.9%

Javascript Engine

The latest Javascript Engine coverage — news, analysis, and updates from the WindowsNews.AI desk.

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Active Scripting · Automation

Windows 11 24H2: JScript9Legacy Boosts Security and Performance

Microsoft's recent activation of the JScript9Legacy scripting engine in Windows 11 24H2 marks a significant security and performance upgrade. Replacing the decades-old JScript engine, a cornerstone...

SESecurity Desk·53w ago
Security

Windows 11 24H2: A Deep Dive into Enhanced Security Features and User Experiences

The July 2025 Patch Tuesday update for Windows 11 24H2 (KB5062553) has arrived, bringing a significant boost to system security and several user-requested improvements. This update, pushing the...

Security Desk·53w ago ·5 min
Security

Firefox 139.0.4 patches Windows memory leaks and stability bugs with urgent security fixes.

Mozilla's latest Firefox 139.0.4 update delivers critical fixes that address under-the-radar issues impacting Windows users' browsing experience. While not a flashy feature release, this maintenance...

Security Desk·57w ago ·5 min
Windows

Independent benchmarks confirm Chrome’s 10% speed gain via V8, memory, and rendering tweaks in 2024.

Google Chrome has long been the dominant web browser, but its reputation for performance has been mixed. In 2024, Google announced a significant 10% performance improvement, addressing long-standing...

WindowsNews Desk·58w ago ·5 min
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Chromium · Cve-2024-5833

Critical V8 JavaScript Engine Vulnerability (CVE-2024-5833) Exposes Chromium Browsers to Remote Code Execution

A newly uncovered critical vulnerability in the very foundation of modern web browsing has sent security teams scrambling, as CVE-2024-5833 exposes a dangerous memory corruption flaw within the V8...

SE Security Desk·97w ago