Bug 285049

Summary: Re-enable requestIdleCallback on Apple ports
Product: WebKit Reporter: Ryosuke Niwa <rniwa>
Component: New BugsAssignee: Ryosuke Niwa <rniwa>
Status: REOPENED    
Severity: Normal CC: aluhrs, andrew.tierno, apolostudioapps, commit-queue, ikerins, webkit-bug-importer, woodlxf00
Priority: P2 Keywords: InRadar
Version: Safari Technology Preview   
Hardware: Unspecified   
OS: Unspecified   
Bug Depends on: 287681    
Bug Blocks:    

Ryosuke Niwa
Reported 2024-12-20 15:38:21 PST
Re-enable this feature now that various regressions have been fixed.
Attachments
Ryosuke Niwa
Comment 1 2024-12-20 15:39:32 PST
Radar WebKit Bug Importer
Comment 2 2024-12-27 15:39:14 PST
EWS
Comment 3 2025-02-04 15:27:27 PST
Committed 289832@main (3524ffe8d826): <https://commits.webkit.org/289832@main> Reviewed commits have been landed. Closing PR #38295 and removing active labels.
Ryosuke Niwa
Comment 4 2025-02-04 17:30:23 PST
*** Bug 262551 has been marked as a duplicate of this bug. ***
WebKit Commit Bot
Comment 5 2025-02-13 17:53:43 PST
Re-opened since this is blocked by bug 287681
aluhrs
Comment 6 2025-06-02 16:20:25 PDT
I'm having trouble parsing the linked bugs and if this is fixed or the fix was to disable requestIdleCallback, any chance this can be re-landed anytime soon?
Ryosuke Niwa
Comment 7 2025-06-03 16:01:52 PDT
(In reply to aluhrs from comment #6) > I'm having trouble parsing the linked bugs and if this is fixed or the fix > was to disable requestIdleCallback, any chance this can be re-landed anytime > soon? Unfortunately, this feature is in a bit of limbo given we observed a page load time regression on google.com.
andrew.tierno
Comment 8 2026-03-11 11:54:03 PDT
Hi, curious what the latest status on this issue is? Is there any appetite for investigating the regression and adding support?
Apolo
Comment 9 2026-04-16 03:34:39 PDT
Hi, Webkit seems the last piece of the puzzle for all major browsers support. I was working on adding Prefetch work during Idle Browser periods in Compose Multiplatform Web framework by Jetbrains. See https://github.com/JetBrains/compose-multiplatform-core/pull/2928
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