The GTK Project - A free and open-source cross-platform widget toolkit

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Catch up with all the things happening with GTK through the GTK Development Blog.

Snapping

With the release of 4.23.1, GTK’s renderer will come with a new feature that we’ve called snapping. How does it work? Snapping is enabled by calling gtk_snapshot_set_snap(). If enabled, it will sli... Read More

Cambalache’s First Major Milestone!

After more than 5 years, 1780 commits and 20k lines of handcrafted, artisanal Python code I am very pleased to announce Cambalache 1.0 !!! Cambalache is a WYSIWYG (What You See Is What You Get) to... Read More

An update on SVG in GTK

In my last post on this topic, I explained the history of SVG in GTK, and how I tricked myself into working on an SVG renderer in 2025. Now we are in 2026, and on the verge of the GTK 4.22 release... Read More

Issues Tracker

1821 Opened 6517 Closed

Contribute to GTK by solving the issues related to GTK. Get started with first issues.

Incorrect sequence states when combining GestureZoom and GestureDrag on a touchscreen

Input

by Titouan Real

Heap corruption / UAF in gdk/wayland/gdkdmabuf-wayland.c linux_dmabuf_done / dmabuf_formats_free

by Gert

Media queries are not respected

by Urtsi Santsi

Assertion failure in gtk_counting_bloom_filter_remove during routine CSS validation (SIGABRT)

CSS

by Laith Na'amneh

Stale/invalid window size applied on X11

X11

by Sergey Bugaev

Assertion failure 'hlist->tail_before == handler' in handler_unref_R during GtkListItemWidget disposal cascading from g_list_store_remove_all

by Tigix

(GtkIconView/GtkTreeView) Switching window focus during inline text editing and then switching back loses widget focus

by Greg Beauchesne

GtkSvg requires gtk_init()

CSS

by Jonathan Blandford

Send preedit rectangle via zwp_text_input_v3 in addition to cursor rectangle

Wayland

by kentrl

!9958 regression: GTK stuck in loop when opening GtkSettings in inspector

by Florian Leander Singer

The screen keyboard does not appear automatically

Input Wayland

by Bohdan Milar

Kinetic scrolling is visibly stuttering in 4.23 (but not in 4.22)

1. Bug 1. Regression

by Daniel van Vugt

gdk_surface_handle_event: SIGSEGV dereferencing surface in nautilus (GDK_SURFACE_IS_MAPPED, gdksurface.c:2993)

1. Crash

by Daniel Rangel

Please cherry-pick a8a5692c (dmabuf format table munmap crash) to gtk-4-22

by jkubo

gtk_svg_advance: assertion 'self->current_time <= current_time' failed

by Michael Catanzaro

GSK Vulkan renderer crashes in libnvidia-glcore.so during offscreen image creation (SIGSEGV)