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Add changelog entry for [Feature #20057]

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KJ Tsanaktsidis 2023-12-12 10:57:26 +11:00 committed by KJ Tsanaktsidis
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NEWS.md
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@ -277,6 +277,18 @@ changelog for details of the default gems or bundled gems.
## C API updates
* `rb_postponed_job` changes
The postponed job APIs have been changed to address some rare crashes.
There are two new methods for managing postponed jobs; `rb_postponed_job_preregister`
and `rb_postponed_job_trigger`. These APIs replace `rb_postponed_job_register`
and `rb_postponed_job_register_once`, which are now marked as deprecated.
The semantics of these functions have also changed slightly; `rb_postponed_job_register`
now behaves like the `once` variant in that multiple calls with the same
`func` might be coalesced into a single execution of the `func`
[[Feature #20057]]
## Implementation improvements
* `defined?(@ivar)` is optimized with Object Shapes.
@ -409,3 +421,4 @@ changelog for details of the default gems or bundled gems.
[Feature #19843]: https://bugs.ruby-lang.org/issues/19843
[Bug #19868]: https://bugs.ruby-lang.org/issues/19868
[Feature #19965]: https://bugs.ruby-lang.org/issues/19965
[Feature #20057]: https://bugs.ruby-lang.org/issues/20057