Bug 312221

Summary: Disable "SpeculationRules prefetch" feature due to regressions
Product: WebKit Reporter: Chris Dumez <cdumez>
Component: Page LoadingAssignee: Chris Dumez <cdumez>
Status: RESOLVED FIXED    
Severity: Normal CC: achristensen, beidson, webkit-bug-importer, yoav
Priority: P2 Keywords: InRadar
Version: WebKit Nightly Build   
Hardware: Unspecified   
OS: Unspecified   
Attachments:
Description Flags
Potential fix (untested) none

Chris Dumez
Reported 2026-04-13 19:01:00 PDT
On onemileatatime.com, clicking links loads blank pages. It looks like the prefetches result in 503 status code responses which are being cached and reused for those navigations.
Attachments
Potential fix (untested) (2.04 KB, patch)
2026-04-13 19:02 PDT, Chris Dumez 		no flags
DetailsFormatted DiffDiff
View All Add attachment proposed patch, testcase, etc.
Chris Dumez
Comment 1 2026-04-13 19:01:37 PDT
rdar://173956448
Chris Dumez
Comment 2 2026-04-13 19:02:10 PDT
Created attachment 479055 [details] Potential fix (untested)
Chris Dumez
Comment 3 2026-04-13 19:05:07 PDT
Pull request: https://github.com/WebKit/WebKit/pull/62695
EWS
Comment 4 2026-04-13 21:53:27 PDT
Committed 311166@main (186d42fe95a9): <https://commits.webkit.org/311166@main> Reviewed commits have been landed. Closing PR #62695 and removing active labels.
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