Bug 309248

Summary: Web Inspector: REGRESSION(307475@main): Storage tab, Network tab, Heap Snapshot content scroll uncontrollably
Product: WebKit Reporter: Razvan Caliman <rcaliman>
Component: Web InspectorAssignee: Razvan Caliman <rcaliman>
Status: RESOLVED FIXED    
Severity: Normal CC: inspector-bugzilla-changes, webkit-bug-importer
Priority: P2 Keywords: InRadar
Version: WebKit Nightly Build   
Hardware: All   
OS: All   
Attachments:
Description Flags
Screen recording of issue with standalone DataGrid in STP 238
none
Screen recording of issue in Storage tab > Local Storage
none
Screen recording of issue in Network tab none

Razvan Caliman
Reported 2026-03-05 03:36:25 PST
Created attachment 478562 [details] Screen recording of issue with standalone DataGrid in STP 238 After enabling scroll anchoring in https://commits.webkit.org/307475@main, which is now in STP 238, `WI.DataGrid` instances scroll uncontrollably all the way to the bottom or in huge jumps. For example, in the Storage tab > Local Storage or Timelines tab > Heap Snapshot.
Attachments
Screen recording of issue with standalone DataGrid in STP 238 (612.38 KB, video/quicktime)
2026-03-05 03:36 PST, Razvan Caliman 		no flags
Details
Screen recording of issue in Storage tab > Local Storage (2.84 MB, video/quicktime)
2026-03-05 04:17 PST, Razvan Caliman 		no flags
Details
Screen recording of issue in Network tab (8.90 MB, video/quicktime)
2026-03-05 04:17 PST, Razvan Caliman 		no flags
Details
View All Add attachment proposed patch, testcase, etc.
Razvan Caliman
Comment 1 2026-03-05 03:36:48 PST
rdar://171394072
Razvan Caliman
Comment 2 2026-03-05 03:43:32 PST
Update: The `WI.Table` in the Network tab has the same issue.
Razvan Caliman
Comment 3 2026-03-05 04:01:28 PST
Pull request: https://github.com/WebKit/WebKit/pull/59976
Razvan Caliman
Comment 4 2026-03-05 04:17:01 PST
Created attachment 478563 [details] Screen recording of issue in Storage tab > Local Storage
Razvan Caliman
Comment 5 2026-03-05 04:17:28 PST
Created attachment 478564 [details] Screen recording of issue in Network tab
EWS
Comment 6 2026-03-05 09:56:10 PST
Committed 308726@main (88e4b7b16520): <https://commits.webkit.org/308726@main> Reviewed commits have been landed. Closing PR #59976 and removing active labels.
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