Public bug reported:
**Description:**
After upgrading system packages on Ubuntu 25.04, the window control
buttons (minimize, maximize, close) appear at inconsistent sizes across
different GTK applications.
For example:
- In **Nautilus** and **GNOME Text Editor**, the window buttons are noticeably
**smaller**.
- In **GNOME Terminal**, the window buttons appear **larger**, as expected.
**Steps to Reproduce:**
1. Install Ubuntu using the `ubuntu-25.04-beta-desktop-amd64.iso`.
2. Observe that window button sizes are consistent across GTK apps.
3. Upgrade system packages using the default package manager (`sudo apt update
&& sudo apt upgrade`).
4. Restart and observe the change in window button sizes across different GTK
applications.
**Expected Behavior:**
Window button sizes should remain consistent across all GTK apps, before
and after system updates.
**Actual Behavior:**
After the system upgrade, some apps (e.g., Nautilus, GNOME Text Editor)
display smaller window buttons, while others (e.g., GNOME Terminal)
retain larger buttons.
**Additional Info:**
- ISO used: `ubuntu-25.04-beta-desktop-amd64.iso`
- This issue was not present in the clean installation, only after the upgrade.
- Affects multiple core GNOME apps.
ProblemType: Bug
DistroRelease: Ubuntu 25.04
Package: gnome-shell 48.0-1ubuntu1
ProcVersionSignature: Ubuntu 6.14.0-11.11-generic 6.14.0-rc7
Uname: Linux 6.14.0-11-generic x86_64
ApportVersion: 2.32.0-0ubuntu3
Architecture: amd64
CasperMD5CheckResult: unknown
CurrentDesktop: ubuntu:GNOME
Date: Thu Apr 10 22:59:06 2025
DisplayManager: gdm3
InstallationDate: Installed on 2025-04-11 (0 days ago)
InstallationMedia: Ubuntu 25.04 "Plucky Puffin" - Beta amd64 (20250326.6)
ProcEnviron:
LANG=en_US.UTF-8
PATH=(custom, no user)
SHELL=/bin/bash
TERM=xterm-256color
XDG_RUNTIME_DIR=<set>
RebootRequiredPkgs: Error: path contained symlinks.
RelatedPackageVersions: mutter-common 48.1-1ubuntu3
SourcePackage: gnome-shell
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: gnome-shell (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug plucky wayland-session
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https://bugs.launchpad.net/bugs/2106784
Title:
Ubuntu 25.04 - Inconsistent Window Button Sizes Across GTK Apps
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