Restrictions on File Urls

For security reasons, Edge 76+ and Chrome impose a number of restrictions on file:// URLs, including forbidding navigation to file:// URLs from non-file:// URLs. If a browser user clicks on a file:// link on an https-delivered webpage, nothing visibly happens. If you open the the Developer Tools console, you’ll see a note: “Not allowed to load local resource:Continue reading “Restrictions on File Urls”

Edge79+ vs. Edge18 vs. Chrome

Note: I expect to update this post over time. Last update: 7/24/2020. Compatibility Deltas As our new Edge Insider builds roll out to the public, we’re starting to triage reports of compatibility issues where Edge79+ (the new Chromium-based Edge, aka Anaheim) behaves differently than the old Edge (Edge18, aka Spartan, aka Edge Legacy) and/or GoogleContinue reading “Edge79+ vs. Edge18 vs. Chrome”

Script-Generated Download Files

As we finish up the next release of Windows 10, my team is hard at work triaging incoming bugs. Here’s a pattern that has come up a few times this month: Bug: I click download in Edge: …but I end up on an error page: Womp womp. If you watch the network traffic, you’ll seeContinue reading “Script-Generated Download Files”