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Issue metadata

Status: WontFix
Owner: ----
Closed: Sep 12
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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'position: fixed' behaviour change in Chrome 70

Reported by t.ma...@gmail.com, Sep 11

Issue description

Chrome Version       : 70.0.3534.4
OS Version: 
URLs (if applicable) :
Other browsers tested:
  Add OK or FAIL after other browsers where you have tested this issue:
     Safari: not tested
    Firefox: not tested
    IE/Edge: not tested

What steps will reproduce the problem?
1. Open the HTML file from here: https://drive.google.com/file/d/1vd0ZSY4HfbunRFKQYOb_6Oq4O-p1zn9A/view?usp=sharing. This file is available only to users with an @google.com address because this file may contain some Google+ debug information.


What is the expected result?
Both Chrome 69 and 70 show the bottom-right button (with pencil icon) fixed to the bottom of the screen.

What happens instead of that?
Chrome 70 moves the button to the bottom of the *document* rather than anchoring it to the bottom of the viewport.

Please provide any additional information below. Attach a screenshot if
possible.

This was reported previously as   bug 874239 , but that bug was closed before I could get this repro case.

UserAgentString: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3534.4 Safari/537.36


 
chrome-position-css-bug.mp4
5.2 MB View Download
Components: Blink>Layout
Labels: -Pri-3 ReleaseBlock-Stable Target-70 M-70 FoundIn-70 Needs-Bisect Pri-1
Cc: flackr@chromium.org
Components: Blink>Scroll
Labels: Triaged-ET TE-NeedsTriageFromHYD Needs-Triage-M70
The test html file at https://drive.google.com/file/d/1vd0ZSY4HfbunRFKQYOb_6Oq4O-p1zn9A/view?usp=sharing is not accessible from our end. It seems the issues can be triaged by someone having @google.com address only i.e corp account. Hence, forwarding the issue to inhouse team for further triaging.

Thanks...!!
This is due to:

https://chromium.googlesource.com/chromium/src/+/db71b93784806ce5e46bdadd494c472858f21d43


contain: layout is now a container for fixed-position descendants.
Cc: r...@igalia.com
Status: WontFix (was: Unconfirmed)
Fix to google+ tracked at internal b/115535925.

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