Public bug reported:
On Resolute (26.04), SMPlayer and VLC from the Ubuntu Archive sometimes
don't react to mouse wheel scrolling, making scrolling through a video
feel sluggish.
STEPS TO REPRODUCE
* Boot Ubuntu (or Kubuntu) Resolute live image
* $sudo apt update && sudo apt install smplayer
* Play a video in SMPlayer, try to scroll a few times.
OBSERVED RESULT
The player doesn't react to every scroll event. Sometimes the scrolling does
nothing.
EXPECTED RESULT
Player reacts to every scroll event.
ADDITIONAL INFORMATION
Can reproduce:
* in a live session on bare metal, both Ubuntu and Kubuntu (other flavours not
tested)
* on Resolute (26.04), both with SMPlayer and VLC from the Ubuntu Archive
Cannot reproduce:
* on Questing (25.10), both with SMplayer and VLC from the Ubuntu Archive
* in a live session in a VM (virt-manager)
* with SMPlayer Flatpak from Flathub on Resolute
* with SMPlayer on my Arch Test Installation (seems to be the SMPlayer version
as in Resolute)
* with different video players (Haruna, MPV)
* with another Qt5 application (Picard)
ProblemType: Bug
DistroRelease: Ubuntu 26.04
Package: smplayer 25.6.0+ds-1
ProcVersionSignature: Ubuntu 6.19.0-6.6-generic 6.19.2
Uname: Linux 6.19.0-6-generic x86_64
ApportVersion: 2.33.1-0ubuntu3
Architecture: amd64
CasperMD5CheckResult: unknown
CurrentDesktop: KDE
Date: Sat Mar 7 16:32:21 2026
InstallationDate: Installed on 2026-03-05 (2 days ago)
InstallationMedia: Kubuntu 26.04 LTS "Resolute Raccoon" - Daily amd64 (20260301)
SourcePackage: smplayer
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: smplayer (Ubuntu)
Importance: Undecided
Status: New
** Affects: vlc (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug resolute wayland-session
** Also affects: vlc (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/2143623
Title:
SMPlayer and VLC sometimes don't recognize mouse wheel scrolling
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