** Changed in: gtk4 (Ubuntu)
Status: New => In Progress
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https://bugs.launchpad.net/bugs/2106391
Title:
Update gtk4 to 4.18.4
Status in gtk4 package in Ubuntu:
In Progress
Bug description:
There is a new point release in the stable GTK 4.18 series.
https://gitlab.gnome.org/GNOME/gtk/-/blob/4.18.4/NEWS
* Bugs fixed:
- #7447 4.18.3 regression: cursor doesn't update state when crossing window
boundaries (Matthias Clasen) (bug 2106299)
- #7459 Gtk.Video causes segfault inside VM with wayland backend (Matthias
Clasen)
- #7466 Win32: can't resize or move windows anymore (Matthias Clasen)
- !8375 testsuite: Make reftest-compare use gsize instead of int (Benjamin
Otte)
- !8378 wayland: Force setting cursor on enter
- !8394 wayland: Force setting cursor on enter
- !8400 Merge fixes from !8375 into 4.18
- !8403 inspector: Survive without installed schemas
- !8408 builder: Fix a menu parsing issue
- !8422 win32: Fix initial window state
- !8429 vulkan: Do not create dmabuf target images if not enabled
Test Case 0
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gtk4 has an extensive build test suite, and failures will fail the build.
gtk4 also has thorough autopkgtests.
Ensure that the build succeeds and that the autopgktests pass.
Test Case 1
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Make sure that opening and saving files from the Firefox and Chromium snaps
still work
Test Case 2
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snap install portal-test --edge
snap run portal-test
Verify that the app seems to still work ok
Test Case 3
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Install and test gtk4-demo (from the gtk-4-examples package) as well as a few
other GTK/GNOME applications like nautilus and gnome-text-editor, and verify
that they continue to launch and work as expected.
What Could Go Wrong
-------------------
Many of the default Ubuntu desktop apps use GTK4. A serious enough regression
could severely break the Ubuntu Desktop.
Ubuntu includes xdg-desktop-portal-gnome by default which is used for
many snap actions like providing a file chooser. This is critical
functionality for our snaps. The Ubuntu flavors use a different portal
backend, most commonly xdg-desktop-portal-gtk which uses GTK3, so are
not affected by this SRU.
gtk4 is included in the GNOME micro release exception.
https://documentation.ubuntu.com/sru/en/latest/reference/package-
specific/
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