Bug 204574

Summary:

laggy scroll with images (background-attachment:fixed)

Product:

WebKit

Reporter:

Roman Kosov <bugs-webkit>

Component:

Scrolling

Assignee:

Nobody <webkit-unassigned>

Status:

NEW

Severity:

Normal

CC:

dino, graouts, sabouhallawa, simon.fraser, webkit-bug-importer

Priority:

Keywords:

InRadar

Version:

Safari 13

Hardware:

Unspecified

OS:

macOS 10.15

Attachments:

Description	Flags
laggy scroll	none
laggy scroll - https://portfolio.logomachine.ru/matchers	none

Roman Kosov

Reported 2019-11-25 06:27:27 PST

Created attachment 384293 [details] laggy scroll While scroll page the images with "background-attachment: fixed" jump up and down (laggy?). In attaching a video with two different browsers: 0-6 sec. Chrome: Version 78.0.3904.108 (Official Build) (64-bit) 6-12 sec. Safari: Version 13.0.4 (15608.4.9.1.3) e.g. http://claire-clarte.tilda.ws/

Attachments
laggy scroll (30.01 MB, video/quicktime) 2019-11-25 06:27 PST, Roman Kosov	no flags	Details
laggy scroll - https://portfolio.logomachine.ru/matchers (6.82 MB, video/quicktime) 2020-04-02 04:51 PDT, Roman Kosov	no flags	Details
View All Add attachment proposed patch, testcase, etc.

Radar WebKit Bug Importer

Comment 1 2019-11-25 12:01:57 PST

<rdar://problem/57476736>

Roman Kosov

Comment 2 2020-04-02 04:51:38 PDT

Created attachment 395260 [details] laggy scroll - https://portfolio.logomachine.ru/matchers Safari: Version 13.1 (15609.1.20.111.8) https://portfolio.logomachine.ru/matchers

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