Public bug reported:
**Package:** nautilus
**Version:** 50.0
**Ubuntu Version:** 26.04 (Resolute) - kernel 7.0.0-15-generic.
**Expected behavior:**
When clicking and holding the scrollbar at a certain position (without moving
the mouse), the scrollbar should stay in place.
**Actual behavior:**
1. Open a large directory (tested with C:/Windows/System32/ in Windows).
2. Drag the scrollbar to a middle position.
3. Hold the left mouse button down WITHOUT moving the mouse.
Result: The scrollbar starts jittering rapidly up and down. The file
list scrolls back and forth extremely fast, causing a flickering effect.
The movement is so fast that the scrollbar position appears to be
"vibrating" rather than scrolling smoothly.
**Steps to reproduce:**
1. Open Nautilus.
2. Navigate to a directory with many files (tested with ~3000 files).
3. Click and drag the scrollbar to the middle of the bar.
4. Hold the mouse button down without moving the cursor.
5. Observe the rapid jittering.
**Frequency:** 100% reproducible (tested 5 times).
**Additional notes:**
- The mouse cursor is completely stationary during this behavior.
- The issue does NOT occur in small directories.
- The jittering is extremely fast, causing the file list to flicker.
- I tested with a directory containing 5000 empty files created by touch, and
the issue did not occur. The issue likely only occurs in directories with heavy
metadata/complex items like C:/Windows/System32/ (many different file types,
icons, and executable attributes).
ProblemType: Bug
DistroRelease: Ubuntu 26.04
Package: nautilus 1:50.0-0ubuntu2
ProcVersionSignature: Ubuntu 7.0.0-15.15-generic 7.0.0
Uname: Linux 7.0.0-15-generic x86_64
ApportVersion: 2.34.0-0ubuntu2
Architecture: amd64
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Mon May 25 18:49:09 2026
GsettingsChanges:
b'org.gnome.nautilus.preferences' b'date-time-format' b"'detailed'"
b'org.gnome.nautilus.preferences' b'migrated-gtk-settings' b'true'
InstallationDate: Installed on 2026-05-10 (15 days ago)
InstallationMedia: Ubuntu 26.04 "Resolute Raccoon" - Release amd64 (20260423.1)
ProcEnviron:
LANG=en_US.UTF-8
PATH=(custom, no user)
SHELL=/bin/bash
TERM=xterm-256color
XDG_RUNTIME_DIR=<set>
SourcePackage: nautilus
UpgradeStatus: No upgrade log present (probably fresh install)
usr_lib_nautilus: papers 50.1-0ubuntu1
** Affects: nautilus (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug resolute wayland-session
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https://bugs.launchpad.net/bugs/2154177
Title:
Scrollbar jitters rapidly when clicked and held in large directories.
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