sudo pacman-mirrors -i -c China -m rank
::INFO Downloading mirrors from Manjaro
::INFO => Mirror pool: https://repo.manjaro.org/mirrors.json
::INFO => Mirror status: http://repo.manjaro.org/status.json
::INFO Using custom mirror file
::INFO Querying mirrors - This may take some time
0.424 China : https://mirrors.sjtug.sjtu.edu.cn/manjaro/
(pacman-mirrors:3171): Gtk-WARNING **: 10:38:00.860: Theme parsing error: gtk.css:68:35: The style property GtkButton:child-displacement-x is deprecated and shouldn't be used anymore. It will be removed in a future version
(pacman-mirrors:3171): Gtk-WARNING **: 10:38:00.860: Theme parsing error: gtk.css:69:35: The style property GtkButton:child-displacement-y is deprecated and shouldn't be used anymore. It will be removed in a future version
(pacman-mirrors:3171): Gtk-WARNING **: 10:38:00.861: Theme parsing error: gtk.css:73:46: The style property GtkScrolledWindow:scrollbars-within-bevel is deprecated and shouldn't be used anymore. It will be removed in a future version
Does it mean that some features of GTK is deprecated and the code should be updated?