COSMIC Desktop 1.3 adds frosted glass style and GPU power monitoring

COSMIC Desktop 1.3 introduces a major visual overhaul with an optional frosted glass style, adding translucent and blurred effects across panels, menus, application surfaces, the desktop overview, and on-screen controls. Users can enable this appearance from COSMIC Settings, configure glass opacity and frost thickness, or retain the previous solid style. Adoption in applications depends on developers updating to the latest libcosmic library for compatibility. GPU management has also been improved. COSMIC Monitor can now suspend NVIDIA graphics cards more reliably, calculate power usage for AMD and Intel GPUs, and display GPU power consumption and total VRAM. It also tracks memory usage on Intel GPUs, while the app launcher now defaults to the discrete GPU for supported applications. Other updates include showing known Bluetooth devices for easier reconnection, moving network settings and the network applet to the nmrs backend, adding AVIF wallpaper support through libdav1d, and fixing ...