
Soon we can finally banish JavaScript to the ShadowRealm
A look at the TC39 ShadowRealm proposal for isolating JavaScript in clean execution contexts.
Web Standards
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A look at the TC39 ShadowRealm proposal for isolating JavaScript in clean execution contexts.

From TC39 proposal to Stage 4, with a shared Rust implementation across engines.

New “using” syntax makes cleanup automatic, reducing leaks and boilerplate.

Smarter tools and faster performance for JavaScript coming in ES2026.