boa-dev/boa v0.22

on GitHub

In this release, our conformance has grown to 95.60% in the official ECMAScript Test Suite (Test262).

Highlights

• Temporal enabled by default.
• Implemented bytecompiler, vm and bytecode optimizations.
• Upgraded our Monomorphic Inline Cache into a Polymorphic Inline Cache.
• Started the migration from boa_runtime to boa_wintertc.
• Started the removal of panics by replacing them with PanicError.

New builtins & proposals

• RegExp.escape()
• FinalizationRegistry
• Iterator.concat()
• Iterator Helpers
• Iterator.prototype.includes()
• Promise.allKeyed() / Promise.allSettledKeyed()
• Error.prototype.stack

New Runtime APIs

• AbortController / AbortSignal
• Response.ok
• Request.clone()
• Response.clone()
• Response.redirect()
• Response.json()
• atob() / btoa()
• console.table()
• console.exception()

Full Changelog: v0.21...v0.22