Bug 301425

Summary:

REGRESSION (iOS 26): Sliding side menu looks bad (fixed element not extending under address bar)

Product:

WebKit

Reporter:

Konstantin Arefyev <yazunya>

Component:

Layout and Rendering

Assignee:

Wenson Hsieh <wenson_hsieh>

Status:

RESOLVED FIXED

Severity:

Normal

CC:

bfulgham, simon.fraser, thorton, webkit-bug-importer, wenson_hsieh, zalan

Priority:

Keywords:

InRadar

Version:

Safari 26

Hardware:

iPhone / iPad

OS:

iOS 26

Attachments:

Description	Flags
Screen recording of a drawer being cropped by the address bar	none
Screen recording of a drawer taking full viewport on iOS 17.5	none

Konstantin Arefyev

Reported 2025-10-24 05:05:31 PDT

Created attachment 477187 [details] Screen recording of a drawer being cropped by the address bar On pages that implement things like navigation drawers using `position: fixed` for them they do not take the whole viewport. They get cropped by the address bar and the user can see the content of the page underneath the drawer. STR: 1. Open https://m2.material.io/components/navigation-drawer 2. Ensure that the address bar has transparent background - you might need to scroll the page up and down a little 3. Tap on the burger menu icon in the header to open the drawer Actual results: The drawer is cropped at the bottom and the page content is visible there. Expected results: The drawer takes the full height of the viewport like it does on the iOS 17.5 with Safari 17 Tested on the iPhone simulator with iOS 26.1 beta 3 (23B5073a) Attaching screen recordings from iOS 26.1 and iOS 17.5.

Attachments
Screen recording of a drawer being cropped by the address bar (6.43 MB, video/quicktime) 2025-10-24 05:05 PDT, Konstantin Arefyev	no flags	Details
Screen recording of a drawer taking full viewport on iOS 17.5 (2.58 MB, video/quicktime) 2025-10-24 05:06 PDT, Konstantin Arefyev	no flags	Details
View All Add attachment proposed patch, testcase, etc.

Konstantin Arefyev

Comment 1 2025-10-24 05:06:44 PDT

Created attachment 477188 [details] Screen recording of a drawer taking full viewport on iOS 17.5

Alexey Proskuryakov

Comment 2 2025-10-24 10:52:21 PDT

Thank you for the report, I can reproduce this.

Radar WebKit Bug Importer

Comment 3 2025-10-24 10:52:26 PDT

<rdar://problem/163352309>

Wenson Hsieh

Comment 4 2025-10-26 14:50:28 PDT

Pull request: https://github.com/WebKit/WebKit/pull/53015

EWS

Comment 5 2025-10-26 19:09:48 PDT

Committed 302171@main (e94e53c6825e): <https://commits.webkit.org/302171@main> Reviewed commits have been landed. Closing PR #53015 and removing active labels.

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