As of Firefox 146 (releasing December 9) I intend to turn Symbols as WeakMap keys on by default on all platforms. It has been developed behind the javascript.options.experimental.symbols_as_weakmap_keys preference. This has shipped in Chrome since version 109 and Safari since version 16.4.
Bug to turn on by default: https://bugzilla.mozilla.org/show_bug.cgi?id=1966745 Standard: https://tc39.es/ecma262/multipage/executable-code-and-execution-contexts.html#sec-canbeheldweakly This feature was previously discussed in this "Intent to prototype" thread: https://groups.google.com/a/mozilla.org/g/dev-platform/c/NNpke-yy9uQ/m/eN5T-9LEAQAJ Jon -- You received this message because you are subscribed to the Google Groups "[email protected]" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion visit https://groups.google.com/a/mozilla.org/d/msgid/dev-platform/ff2ede07-4fbb-4009-b978-020590405865n%40mozilla.org.
