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Bug 1767439 - Touchpad scrolling on firefox + wayland is too fast / not smooth.
Summary: Touchpad scrolling on firefox + wayland is too fast / not smooth.
Alias: None
Product: Fedora
Classification: Fedora
Component: firefox
Version: 31
Hardware: x86_64
OS: Linux
Target Milestone: ---
Assignee: Gecko Maintainer
QA Contact: Fedora Extras Quality Assurance
Depends On:
Blocks: ffwayland
TreeView+ depends on / blocked
Reported: 2019-10-31 13:26 UTC by Pranav Sharma
Modified: 2021-01-28 04:10 UTC (History)
12 users (show)

Fixed In Version:
Doc Type: If docs needed, set a value
Doc Text:
Clone Of:
Last Closed: 2020-11-24 16:29:12 UTC
Type: Bug

Attachments (Terms of Use)
firefox-x11 video (6.22 MB, video/webm)
2019-11-01 00:47 UTC, Pranav Sharma
no flags Details
firefox default / wayland (5.63 MB, video/webm)
2019-11-01 00:48 UTC, Pranav Sharma
no flags Details
firefox latest nightly (6.47 MB, video/webm)
2019-11-11 04:15 UTC, Pranav Sharma
no flags Details

Description Pranav Sharma 2019-10-31 13:26:46 UTC
Description of problem:

The firefox wayland version that comes default with fedora 31 has an issue
with touchpad scrolling. The scrolling is very fast / not smooth, compared to
other gtk applications.

This is on default fedora workstation (gnome), on a thinkpad t480.

Version-Release number of selected component (if applicable):

firefox f31 (can provide more detail once back from work)

How reproducible:

Open gtk application that has scrolling. Scroll with touchpad.
Now open firefox and try to scroll a long web page. Notice the

Steps to Reproduce:

Listed above, can provide if not detailed enough.

Actual results:

Janky and fast scrolling in firefox.

Expected results:

Smooth slow scrolling in firefox.

Additional info:

Can try to record a video when I get back from work.

Comment 1 Martin Stransky 2019-10-31 13:35:24 UTC
Thanks. Can you please try firefox-x11 if you can reproduce it?

Comment 2 Pranav Sharma 2019-11-01 00:47:28 UTC
Created attachment 1631272 [details]
firefox-x11 video

Comment 3 Pranav Sharma 2019-11-01 00:48:59 UTC
Created attachment 1631273 [details]
firefox default / wayland

Comment 4 Pranav Sharma 2019-11-01 00:51:36 UTC
I installed firefox-x11, and was able to reproduce / confirm the issue. I recorded two short videos showing the difference.

Comment 5 Martin Stransky 2019-11-05 11:45:32 UTC
Thanks. I think we're still missing the smooth scrolling feature in Firefox on Linux.
I'm not sure how is related here, can you try latest nightly from mozilla? [1]


Comment 6 Pranav Sharma 2019-11-11 04:14:20 UTC
Sorry for the late update.

Using the latest nightly does fix the scrolling issue. I've attached a video.

I'm guessing this bug is closed then? All is left for the fix to trickle into stable?

Comment 7 Pranav Sharma 2019-11-11 04:15:01 UTC
Created attachment 1634749 [details]
firefox latest nightly

Comment 8 Martin Stransky 2020-01-06 10:00:21 UTC
(In reply to Pranav Sharma from comment #6)
> Sorry for the late update.
> Using the latest nightly does fix the scrolling issue. I've attached a video.
> I'm guessing this bug is closed then? All is left for the fix to trickle
> into stable?

Did you test the upstream binary with Wayland enabled, i.e. with set MOZ_ENABLE_WAYLAND=1 env variable?
If so this one can be closed as upstream.

Comment 9 Ben Cotton 2020-11-03 17:13:33 UTC
This message is a reminder that Fedora 31 is nearing its end of life.
Fedora will stop maintaining and issuing updates for Fedora 31 on 2020-11-24.
It is Fedora's policy to close all bug reports from releases that are no longer
maintained. At that time this bug will be closed as EOL if it remains open with a
Fedora 'version' of '31'.

Package Maintainer: If you wish for this bug to remain open because you
plan to fix it in a currently maintained version, simply change the 'version' 
to a later Fedora version.

Thank you for reporting this issue and we are sorry that we were not 
able to fix it before Fedora 31 is end of life. If you would still like 
to see this bug fixed and are able to reproduce it against a later version 
of Fedora, you are encouraged  change the 'version' to a later Fedora 
version prior this bug is closed as described in the policy above.

Although we aim to fix as many bugs as possible during every release's 
lifetime, sometimes those efforts are overtaken by events. Often a 
more recent Fedora release includes newer upstream software that fixes 
bugs or makes them obsolete.

Comment 10 Ben Cotton 2020-11-24 16:29:12 UTC
Fedora 31 changed to end-of-life (EOL) status on 2020-11-24. Fedora 31 is
no longer maintained, which means that it will not receive any further
security or bug fix updates. As a result we are closing this bug.

If you can reproduce this bug against a currently maintained version of
Fedora please feel free to reopen this bug against that version. If you
are unable to reopen this bug, please file a new report against the
current release. If you experience problems, please add a comment to this

Thank you for reporting this bug and we are sorry it could not be fixed.

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