On my x86_64-linux system running GuixSD, on my first attempt to update my system since 'staging' was merged, GNOME Shell consistently fails to start. If I switch to tty1 (text console), I see this error message:
--8<---------------cut here---------------start------------->8--- (.gnome-shell-real:11698): Gjs-WARNING **: JS ERROR: Error: Requiring Rsvg, version none: Typelib file for namespace 'Rsvg' (any version) not found @resource:///org/gnome/shell/ui/padOsd.js:8:7 @resource:///org/gnome/shell/ui/windowManager.js:20:7 @resource:///org/gnome/shell/ui/workspace.js:19:7 @resource:///org/gnome/shell/ui/appDisplay.js:26:7 @resource:///org/gnome/shell/ui/dash.js:13:7 @resource:///org/gnome/shell/ui/overviewControls.js:10:7 @resource:///org/gnome/shell/ui/overview.js:20:7 @resource:///org/gnome/shell/ui/legacyTray.js:12:7 @resource:///org/gnome/shell/ui/main.js:23:7 @<main>:1:31 ** Message: Execution of main.js threw exception: JS_EvaluateScript() failed gnome-session-binary[11649]: WARNING: App 'org.gnome.Shell.desktop' exited with code 1 (.gnome-shell-real:11717): Gjs-WARNING **: JS ERROR: Error: Requiring Rsvg, version none: Typelib file for namespace 'Rsvg' (any version) not found @resource:///org/gnome/shell/ui/padOsd.js:8:7 @resource:///org/gnome/shell/ui/windowManager.js:20:7 @resource:///org/gnome/shell/ui/workspace.js:19:7 @resource:///org/gnome/shell/ui/appDisplay.js:26:7 @resource:///org/gnome/shell/ui/dash.js:13:7 @resource:///org/gnome/shell/ui/overviewControls.js:10:7 @resource:///org/gnome/shell/ui/overview.js:20:7 @resource:///org/gnome/shell/ui/legacyTray.js:12:7 @resource:///org/gnome/shell/ui/main.js:23:7 @<main>:1:31 ** Message: Execution of main.js threw exception: JS_EvaluateScript() failed gnome-session-binary[11649]: WARNING: App 'org.gnome.Shell.desktop' exited with code 1 gnome-session-binary[11649]: WARNING: App 'org.gnome.Shell.desktop' respawning too quickly --8<---------------cut here---------------end--------------->8--- Mark