Old Microsoft is back: If the latest Windows 11 really wants to use Edge, it will use Edge no matter what
Microsoft Windows 11 build 22494, released last week, appears to prevent links associated with the Microsoft Edge browser from being handled by third-party applications, a change one developer argues is anticompetitive.
Back in 2017, Daniel Aleksandersen created a free helper application called EdgeDeflector to counter behavioral changes Microsoft made in the way Windows handles mouse clicks on certain web links.
https:// links get handled by whatever default browser is set for the system in question. But there are ways to register a custom protocol handler, for operating systems and web browsers, that defines the scheme to access a given resource (URI).
Microsoft did just that when it created the microsoft-edge: URI scheme. By prefixing certain links as
microsoft-edge:https://example.com instead of
https://example.com, the company can tell Windows to use Edge to render example.com instead of the system’s default browser.
Microsoft is not doing this for all web links – it hasn’t completely rejected browser choice. It applies the
microsoft-edge:// protocol to Windows 10 services like News and Interest, Widgets in Windows 11, various help links in the Settings app, search links from the Start menu, Cortana links, and links sent from paired Android devices. Clicking on these links will normally open in Edge regardless of the default browser setting.
microsoft-edge:// protocol is used, EdgeDeflector intercepts the protocol mapping to force affected links to open in the user’s default browser like regular
https:// links. That allows users to override Microsoft and steer links to their chosen browsers.
This approach has proven to be a popular one: Brave and Firefox recently implemented their own
microsoft-edge:// URI scheme interception code to counter Microsoft’s efforts to force
microsoft-edge:// links into its Edge browser.
The Register has asked Brave and Mozilla whether their respective link interception implementations for the
microsoft-edge:// URI scheme still work. We’ve not heard back from Mozilla.
Brave CEO Brendan Eich told The Register his Windows 11 testers haven’t yet provided an update, but allowed that Aleksandersen’s post seems pretty dire. “[Microsoft] must figure [that the] antitrust Eye of Sauron is looking at [Google, Facebook, and Apple] only,” he observed.
In an email to The Register, Aleksandersen said the change affects both Brave and Firefox.
“No program other than Microsoft Edge can handle the protocol,” he said. “I’ve tested Brave (stable release) and a version of Firefox with the patch to add the protocol. They’re not allowed to support it either.”
Microsoft isn’t a good steward of the Windows operating system. They’re prioritizing ads, bundleware, and service subscriptions over their users’ productivity
“Microsoft hasn’t blocked EdgeDeflector specifically. Windows is just bypassing the normal protocol handling system in Windows and always uses Edge for this specific protocol.”
According to Aleksandersen, the latest Windows 11 build allows only the Edge browser to handle the
“No third-party apps are allowed to handle the protocol,” he wrote in a blog post on Thursday. “You can’t change the default protocol association through registry changes, OEM partner customizations, modifications to the Microsoft Edge package, interference with
OpenWith.exe, or any other hackish workarounds.”
Aleksandersen says Windows will force the use of Edge even if you delete it, opening an empty UWP window and presenting an error message rather than falling back on the default browser.
The change to Windows means EdgeDeflector will not receive any further updates unless this behavior is reverted, said Aleksandersen.
“These aren’t the actions of an attentive company that cares about its product anymore,” said Aleksandersen. “Microsoft isn’t a good steward of the Windows operating system. They’re prioritizing ads, bundleware, and service subscriptions over their users’ productivity.”
Aleksandersen advises those opposed to the change to raise the issue with their local antitrust regulator or to switch to Linux.
Ironically, as Aleksandersen tells it, vendor-specific URI schemes took off in February 2014 after Google introduced a
googlechrome:// scheme for its mobile apps as a way to counter Apple’s anticompetitive insistence that Safari should handle certain links on iOS devices.
“Microsoft just turned the racket on its head and changed more and more links in its operating system and apps to use its vendor-specific URL scheme,” he said in a post last month.
The Register asked the US Justice Department whether it’s aware of this change and, if so, whether it’s concerned, given Microsoft’s prior conviction for abusing its market dominance. We’ve not heard back.
“Microsoft’s use of the
microsoft-edge:// protocol instead of regular
https:// links is in itself an antitrust issue,” Aleksandersen told The Register. “This annoyed me so much that I created EdgeDeflector to fight back on its monopolistic and user-hostile behavior”.
“I believe Microsoft clearly doesn’t fear antitrust regulators.
“They’re putting up more barriers and are being more aggressive now than they were in the past when they were hit with antitrust fines. (E.g. removing the default browser settings from Windows Setting, making it more difficult to programmatically change the default browser, prompting the user to ‘choose Edge’ after every system update, hiding/unpinning other browsers from your taskbar.) On top of this, they’re using these horrid
microsoft-edge:// links in very prominent places in the OS to bypass the default browser setting entirely.”
Microsoft did not respond to a request for comment. ®
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November 11, 2021 at 01:41PM