허준회, Principal Software Engineer @ Microsoft (Outlook team) Chromium/Blink, performance, Web Platform APIs, W3C / PerfWG.

Joined May 2007
I gave a BlinkOn21 lightning talk on fixing drag-and-drop in Chromium 🚀 Multi-URL drag-and-drop is now supported. You can also download multiple attachments via drag & drop using the DownloadURL-list drag type. Plus, how Chromium interoperates with Firefox using JS File objects. Slides: 👇docs.google.com/presentation…
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🚀 Long Animation Frames (LoAF) API now supports Web Workers in Chrome and Edge. Gain visibility into long-running tasks, diagnose worker-side bottlenecks, and uncover responsiveness issues beyond the main thread. To enable: --enable-blink-features=LongAnimationFrameWorker
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Excited to see scriptCount added to the LoAF API. It reports how many JS entry points ran during a congested interval, helping developers tell the difference between: • a single long-running task • many short tasks overwhelming the event loop A small metric with big debugging value. #WebPerf #JavaScript
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JavaScript-constructed file drag-and-drop is now available in Chrome and Edge. To enable it, launch Edge or Chrome with: --enable-blink-features=DragAndDropJSFileObjects #chromium #MicrosoftEdge
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Currently, support is limited to image file types, but additional formats, including ZIP, PDF, and Microsoft Office files, are on the way: chromium-review.googlesource…
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Chromium Canary now supports native multi-URL drag-and-drop on macOS. You can drag multiple URLs using the text/uri-list drag data type from Chromium and drop them into native apps like Keynote or Pages. It also works with Safari. This will ship in Edge/Chrome 152: chromium-review.googlesource…
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Another demo video showing multiple URLs being dragged from Chromium and dropped into Safari:
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Here's a demo video showing multiple URLs being dragged from Chromium and dropped into Pages:
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Another demo shows how we can download multiple URLs to the desktop at once via drag-and-drop.
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JavaScript File object drag-and-drop support has landed on macOS in Chromium Canary 🎉
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Here is a demo of cross‑browser drag-and-drop, where a JavaScript‑created File object in Chromium works seamlessly in Firefox.
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Agent Mode is here in Outlook! Copilot can now help run your inbox and calendar, triaging emails, rescheduling meetings, and helping you stay on top of what matters most.
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Chrome 146 is stable 🚀 We’re shipping features that move more logic out of your JavaScript and into the browser → goo.gle/4sHVbwb ✨ Scroll-triggered animations (declarative CSS!) 🛡️ The Sanitizer API for XSS-free apps 🧩 Scoped custom element registries
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Introducing DownloadURL-list, a new drag type for Chromium that lets users drag multiple files from a webpage to the OS in a single gesture — something the existing DownloadURL type has never supported. Feedback welcome: github.com/MicrosoftEdge/MSE…
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Announcing Copilot Cowork, a new way to complete tasks and get work done in M365. When you hand off a task to Cowork, it turns your request into a plan and executes it across your apps and files, grounded in your work data and operating within M365’s security and governance boundaries.
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