Rebuilding gnome-clocks with the new version triggers that warning which was not there before
$ ninja
[8/22] Compiling Vala source ../src/co... ../src/window.vala ../src/world.vala.
../src/world.vala:25.5-25.35: warning: Type `GLib.Variant[]' can not be used for a GLib.Object property
public GLib.Variant[] locations {
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Compilation succeeded - 1 warning(s)
Rebuilding gnome-clocks with the new version triggers that warning which was not there before
$ ninja world.vala: 25.5-25. 35: warning: Type `GLib.Variant[]' can not be used for a GLib.Object property ^^^^^^^ ^^^^^^^ ^^^^^^^ ^^^^^^^
[8/22] Compiling Vala source ../src/co... ../src/window.vala ../src/world.vala.
../src/
public GLib.Variant[] locations {
^^^
Compilation succeeded - 1 warning(s)
Is that expected?