The European Commission declined to designate Microsoft Edge a gatekeeper under the EU Digital Markets Act (DMA). That was a mistake.

Vivaldi and others line up behind Opera to request a rethink The European Commission's decision not to designate Microsoft Edge as a core platform service is eliciting anger from rival browser makers and engineers.

Microsoft gives its Edge web browser an unfair advantage and EU antitrust regulators should subject it to tough EU tech rules, three rival browsers and a group of web developers said in a letter to the European Commission.

Some of the top browser makers around have issued a letter to the European Commission (EC) alleging that Microsoft gives the Edge browser an unfair advantage and should be subject to EU tech rules. A letter seen by Reuters,

Rival browsers, along with web developers, urge the EU to impose stricter regulations on Microsoft Edge browser, alleging unfair market practices.