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Mutter 50.rc, the release candidate for GNOME 50's window manager and compositor, is now available. Key highlights include significant NVIDIA performance improvements that reduce per-frame blocking time from milliseconds to microseconds, FBO-based secondary GPU rendering enabling 10-bit color scanout with NVIDIA drivers, SDR-Native color mode support for wide color gamut displays, HDR screen sharing, Wayland color management v2 protocol support, Variable Refresh Rate (VRR) improvements, and various crash and memory leak fixes. GNOME Shell 50.rc was also released alongside it. The stable GNOME 50 release is expected in two weeks.

GNOME Mutter 50.rc Released With Better NVIDIA Performance, SDR-Native & Better HDR