Bug 241730

Summary:

IntersectionObserver stops tracking when cmd+ is used to zoom in

Product:

WebKit

Reporter:

Simon Fraser (smfr) <simon.fraser>

Component:

DOM

Assignee:

Simon Fraser (smfr) <simon.fraser>

Status:

RESOLVED FIXED

Severity:

Normal

CC:

simon.fraser

Priority:

Keywords:

InRadar

Version:

Safari Technology Preview

Hardware:

Unspecified

OS:

Unspecified

See Also:

https://bugs.webkit.org/show_bug.cgi?id=241951

Attachments:

Description	Flags
Test	none

Description Simon Fraser (smfr) 2022-06-17 16:05:19 PDT

When Zooming IN using cmd +, IntersectionObserver stops observing. 

Steps To Reproduce:
1. Open the attached example
2. Scroll Down
3. Assert it works fine and highlights the items at around 35% from top.
4. Now zoom in.
5. Assert it no longer highlights

Comment 1 Simon Fraser (smfr) 2022-06-17 16:05:48 PDT

Created attachment 460317 [details]
Test

Comment 2 Simon Fraser (smfr) 2022-06-17 16:17:55 PDT

Pull request: https://github.com/WebKit/WebKit/pull/1604

Comment 3 Simon Fraser (smfr) 2022-06-23 18:43:12 PDT

<rdar://92272892>

Comment 4 EWS 2022-06-24 10:15:56 PDT

Committed 251829@main (ee62d87260e8): <https://commits.webkit.org/251829@main>

Reviewed commits have been landed. Closing PR #1604 and removing active labels.