Many GTK Critical messages after switching from pamac-gtk3 to pamac-gtk

Pamac --version

Pamac 11.0.0 - libpamac 11.5.4

Variant in use

GUI

Distribution

Manjaro unstable branch

Desktop environment

KDE Plasma Wayland

What's not working

It works but I see a lot of GTK critical messages when clicking on Pamac menu in the GUI.

(pamac-manager:3193): Gtk-CRITICAL **: 21:52:34.950: _gtk_css_corner_value_get_x: assertion 'corner->class == &GTK_CSS_VALUE_CORNER' failed
(pamac-manager:3193): Gtk-CRITICAL **: 21:52:34.950: _gtk_css_corner_value_get_y: assertion 'corner->class == &GTK_CSS_VALUE_CORNER' failed
(pamac-manager:3193): Gtk-CRITICAL **: 21:52:34.964: _gtk_css_corner_value_get_x: assertion 'corner->class == &GTK_CSS_VALUE_CORNER' failed
(pamac-manager:3193): Gtk-CRITICAL **: 21:52:34.964: _gtk_css_corner_value_get_y: assertion 'corner->class == &GTK_CSS_VALUE_CORNER' failed
(pamac-manager:3193): Gtk-CRITICAL **: 21:52:34.964: _gtk_css_corner_value_get_x: assertion 'corner->class == &GTK_CSS_VALUE_CORNER' failed
(pamac-manager:3193): Gtk-CRITICAL **: 21:52:34.964: _gtk_css_corner_value_get_y: assertion 'corner->class == &GTK_CSS_VALUE_CORNER' failed
(pamac-manager:3193): Gtk-CRITICAL **: 21:52:34.993: _gtk_css_corner_value_get_x: assertion 'corner->class == &GTK_CSS_VALUE_CORNER' failed
(pamac-manager:3193): Gtk-CRITICAL **: 21:52:34.993: _gtk_css_corner_value_get_y: assertion 'corner->class == &GTK_CSS_VALUE_CORNER' failed
...
...

How to reproduce?

  1. Use KDE Plasma and all default configs of Manjaro after installation in VM.
  2. Use the unstable branch.
  3. Install pamac-gtk and remove pamac-gtk3
  4. Run pamac-manager in terminal to open pamac GUI.
  5. Click pamac menu in pamac GUI.
  6. See lots of GTK-GRITICAL messages, this is pamac-gtk, but pamac-gtk3 has no issue.
Edited by Zesko