The GNOME developers announced a few days ago the immediate availability for download and testing of the fifth development release towards GNOME System Monitor 3.10, for the upcoming GNOME 3.10 desktop environment.
GNOME System Monitor 3.9.5 has been modified to work with the Wayland display server, has been ported to GAction, and uses the Glib resource framework, as well as gtkHeaderbar instead of gtkNotebook.
Moreover, this fifth development release of GNOME System Monitor 3.10 adds expanders to display or hide separate graphs. Refactoring and code cleanup has been applied to this release.
Last but not least, GNOME System Monitor 3.9.5 updates the following translations: Czech, Spanish, Greek, Galician, Italian, Kyrgyz, Norwegian Bokmal, and Tajik. More details can be found in the official raw changelog.
Download GNOME System Monitor 3.9.5 right now from Softpedia. Remember that this is a development version and it should NOT be installed on production machines. It is intended for testing purposes only.