Challenges with Federated Identity in modern browsers

Many websites offer a “Log in” capability where they don’t manage the user’s account; instead, they offer visitors the ability to “Login with <identity provider>.” When the user clicks the Login button on the original relying party (RP) website, they are navigated to a login page at the identity provider (IP) (e.g. login.microsoft.com) and then redirectedContinue reading “Challenges with Federated Identity in modern browsers”

Demystifying ClickOnce

Update: ClickOnce support is now available in modern Edge; see the end of this post. As we rebuild Microsoft Edge atop the Chromium open-source platform, we are working through various scenarios that behave differently in the new browser. In most cases, such scenarios also worked differently between 2018’s Edge Legacy (aka “Spartan”) and Chrome, butContinue reading “Demystifying ClickOnce”

Streaming Audio in Edge

This issue report complains that Edge doesn’t stream AAC files and instead tries to download them. It notes that, in contrast, URLs that point to MP3s result in a simple audio player loading inside the browser. Edge has always supported AAC so what’s going on? The issue here isn’t about AAC, per-se; it’s instead about whether or notContinue reading “Streaming Audio in Edge”

ShellExecute Doesn’t

My oldest supported Windows application is a launcher app named SlickRun, and it’s ~24 years old this year. I haven’t done much to maintain it over the last few years, although it’s now available in 64-bit and runs great on Windows 10. (Thanks go to Embarcadero, who now offer a free “Community” edition of Delphi, theContinue reading “ShellExecute Doesn’t”

Cookies and Concurrency, Redux

Note: This post concerns Edge Legacy (aka Spartan) and does not apply to the modern Chromium-based Edge. In yesterday’s episode, I shared the root cause of a bug that can cause document.cookie to incorrectly return an empty string if the cookie is over 1kb and the cookie grows in the middle of a DOM document.cookieContinue reading “Cookies and Concurrency, Redux”