We discovered some performance issues with this implementation, so I'm
going to disable the feature by default in Firefox 132 until we can get
the issues resolved.
On 9/4/24 2:03 PM, Bryan Thrall wrote:
This change landed in Firefox Nightly 132, rather than 131.
On 8/22/24 1:24 PM, Bryan Thrall wrote:
As of Firefox 131, I intend to turn JSON.parse with source on by
default on all desktop platforms. It has been developed behind the
javascript.options.experimental.json_parse_with_source preference.
The API shipped in Chromium last year
(https://chromestatus.com/feature/5121582673428480), and
implementation in WebKit is underway
(https://bugs.webkit.org/show_bug.cgi?id=248031).
/Bug to turn on by default/:
http://bugzilla.mozilla.org/show_bug.cgi?id=1913085 is the bug to
enable, and https://bugzilla.mozilla.org/show_bug.cgi?id=1658310 is
the meta bug for this.
Standard: https://tc39.es/proposal-json-parse-with-source
This feature was previously discussed in this "Intent to prototype"
thread:
https://groups.google.com/a/mozilla.org/g/dev-platform/c/R9UUdVUuUGU/m/H3e_Me1XAAAJ
Let me know if you have any questions,
--
Bryan Thrall
Senior Software Engineer
Mozilla
--
Bryan Thrall
Senior Software Engineer
Mozilla
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