#### Summary Split from https://gitlab.com/inkscape/inbox/-/issues/13014. Regression from 1.4.x. ~~To-Do: Bisect between 025a20f and 75f78ca~~ Functionality broken after porting to Gtk4. The D&D indicators also broke sometime here. #### Steps to reproduce - Open [ordertest.svg](/uploads/53efc9c62ebd0c936e15b87c887a61e9/ordertest.svg){width=425 height=600} - In Filters dialog, drag Colour matrix below offset #### What Happened No changes. In 1.4.2, colour matrix now applies to the shadow #### Version ``` Inkscape 1.5-dev (ae01c0e3aa, 2025-12-11, custom) Compile (Run) GLib version: 2.84.4 GTK version: 4.18.6 (4.18.6) glibmm version: 2.83.1 gtkmm version: 4.18.0 libxml2 version: 2.12.10 libxslt version: 1.1.43 Cairo version: 1.18.2 (1.18.2) Pango version: 1.56.4 (1.56.4) HarfBuzz version: 10.4.0 (10.4.0) Poppler version: 25.02.0 OS version: Fedora Linux 42 (Workstation Edition) ```