Bug 314284

Summary:	SystemFontDatabase::m_systemFontShorthandCache may hold stale font metrics
Product:	WebKit	Reporter:	Brent Fulgham <bfulgham>
Component:	New Bugs	Assignee:	Brent Fulgham <bfulgham>
Status:	RESOLVED FIXED
Severity:	Normal	CC:	webkit-bug-importer
Priority:	P2	Keywords:	InRadar
Version:	WebKit Nightly Build
Hardware:	Unspecified
OS:	Unspecified

Brent Fulgham

Reported 2026-05-06 20:57:18 PDT

Code analysis has uncovered a correctness issue that causes the SystemFontDatabase to retain stale font metrics after they are no longer needed. Since those entries consists of a string plus 8 bytes worth of size/weight data, this seems worth improving.

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Radar WebKit Bug Importer

Comment 1 2026-05-06 20:57:34 PDT

<rdar://problem/176423531>

Brent Fulgham

Comment 2 2026-05-06 21:30:30 PDT

Pull request: https://github.com/WebKit/WebKit/pull/64439

EWS

Comment 3 2026-05-08 10:15:40 PDT

Committed 312896@main (6bacccff367f): <https://commits.webkit.org/312896@main> Reviewed commits have been landed. Closing PR #64439 and removing active labels.

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