Public bug reported:

[os]: Ubuntu25.10
[Package]: libgtk-4-1 (version:4.20.1+ds-2)
[Software]: gnome-text-editor

My office has about 7-8 printers that support the IPP protocol.
I tried out gnome-text-editor on Ubuntu 25.10 and attempted to print a 
document, and I had a terrible experience.
Let me illustrate my experience by comparing gnome-text-editor and gedit.

gedit links against libgtk-3.so.1
gnome-text-editor links against libgtk-4.so.1

<Action1>: Waiting time for the print dialog box to pop up after pressing Ctrl+P
gedit:moment
gnome-text-editor:43 seconds (It was so long that at the first times I wondered 
if I had pressed Ctrl+P.)

<Action2>: Switch printers in the print dialog
gedit:smooth
gnome-text-editor: After switching between multiple printers, the print dialog 
box becomes unresponsive.

<Action3>:Selectable features for a printer
gedit:All features recorded in the ppd file
gnome-text-editor: Few

At first, I thought it was a libgtk4 issue, so I reported the issue to 
gnome/gtk:
https://gitlab.gnome.org/GNOME/gtk/-/issues/7896

However, based on feedback from gnome/gtk, this issue only occurs on
Ubuntu, because Ubuntu enables cpdb when compiling libgtk-4.

Then I checked the libgtk4 rule file and found the following record:
------
ifeq ($(call dpkg_vendor_derives_from_v1,ubuntu),yes)
configure_flags_deb += -Dprint-cpdb=enabled
configure_flags_deb += -Dprint-cups=disabled
local_recommends += 'cpdb-backend-cups (>= 2.0~b5)',
else
configure_flags_deb += -Dprint-cpdb=disabled
configure_flags_deb += -Dprint-cups=enabled
endif
------

Hope you can understand the confusion and anxiety faced by users who
frequently need to print. Please reply me if more further information is
needed.

ProblemType: Bug
DistroRelease: Ubuntu 25.10
Package: libgtk-4-1 4.20.1+ds-2
ProcVersionSignature: Ubuntu 6.17.0-7.7-generic 6.17.2
Uname: Linux 6.17.0-7-generic x86_64
ApportVersion: 2.33.1-0ubuntu3
Architecture: amd64
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Fri Nov 28 22:25:26 2025
InstallationDate: Installed on 2025-10-09 (50 days ago)
InstallationMedia: Ubuntu 25.10 "Questing Quokka" - Daily amd64 (20250728)
SourcePackage: gtk4
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: gtk4 (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug questing wayland-session

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https://bugs.launchpad.net/bugs/2133194

Title:
  libgtk4: Printer dialog box pops up slowly (about 1 minute); optional
  features from vendor missing (cpdb on Ubuntu)

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