- Well-formed unicode strings proposal:
- Methods:
String.prototype.isWellFormed
methodString.prototype.toWellFormed
method
- Moved to stable ES, May 2023 TC39 meeting
- Added
es.
namespace modules,/es/
and/stable/
namespaces entries
- Methods:
Array
grouping proposal, May 2023 TC39 meeting updates:- Because of the web compat issue, moved from prototype to static methods. Added:
Object.groupBy
methodMap.groupBy
method (with the actual semantic - with a minor difference it was present in the collections methods stage 1 proposal)
- Demoted to stage 2
- Because of the web compat issue, moved from prototype to static methods. Added:
- Decorator Metadata proposal, May 2023 TC39 meeting updates:
- Moved to stage 3
- Added
Function.prototype[Symbol.metadata]
(=== null
) - Added
/actual/
entries
- Iterator Helpers stage 3 proposal:
- Changed
Symbol.iterator
fallback from callable check toundefined
/null
check, May 2023 TC39 meeting, proposal-iterator-helpers/272 - Removed
IsCallable
check onNextMethod
, deferring errors toCall
site, May 2023 TC39 meeting, proposal-iterator-helpers/274
- Changed
- Added
Promise.withResolvers
stage 2 proposal:Promise.withResolvers
method
Symbol
predicates stage 2 proposal:- The methods renamed to end with
Symbol
, May 2023 TC39 meeting:Symbol.isRegistered
->Symbol.isRegisteredSymbol
methodSymbol.isWellKnown
->Symbol.isWellKnownSymbol
method
- The methods renamed to end with
- Added
value
argument ofURLSearchParams.prototype.{ has, delete }
, url/735 - Fixed some cases of increasing buffer size in
ArrayBuffer.prototype.{ transfer, transferToFixedLength }
polyfills - Fixed awaiting async
AsyncDisposableStack.prototype.adopt
callback, #1258 - Fixed
URLSearchParams#size
in ES3 engines (IE8-) - Added a workaround in
Object.{ entries, values }
for some IE versions bug with invisible integer keys onnull
-prototype objects - Added TypeScript definitions to
core-js-compat
, #1235, thanks @susnux - Compat data improvements:
Set.prototype.difference
that was missed in Bun because of a bug added in 0.6.0Array.prototype.{ group, groupToMap }
marked as no longer supported in WebKit runtimes because of the mentioned above web compat issue. For example, it's disabled from Bun 0.6.2- Methods from the change
Array
by copy proposal marked as supported from FF115 Array.fromAsync
marked as supported from FF115URL.canParse
marked as supported from FF115value
argument ofURLSearchParams.prototype.{ has, delete }
marked as supported from NodeJS 20.2.0 and FF115- Added Deno 1.34 compat data mapping
- Added Electron 26 compat data mapping
- Added Samsung Internet 22 compat data mapping
- Added Opera Android 75 and 76 compat data mapping
- Added Quest Browser 27 compat data mapping