Microsoft does not want to disable JIT in the Edge browser right away. The company is yet to decide whether improved security is worth some performance dips, so the research team will continue evaluating factors that affect performance and use-case scenarios.
Enable Super-Duper Secure Mode in Edge
Edge Beta, Dev, and Canary now offer the Super-Duper Secure Mode flag in the
edge://flags section. You test how disabling JIT affects your browsing experience by navigating to
edge://flags/edge-enable-super-duper-security-mode and enabling Super-Duper Secure Mode.
As of now, it is just an experiment with a quirky name that Microsoft promises to change if it gets to the public release. Super-Duper Secure Mode in Edge is subject to change, and you can help Microsoft evaluate efficiency by testing it in one of the preview channels.
Learn more about Super-Duper Secure Mode in Microsoft Edge in a blog post on the official Microsoft Browser Vulnerability Research blog.
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