GNOME Mutter Compositor 51.1 Release
51.1 Fix drag&drop between Wayland and Xwayland clients [Alessandro; !5362 (merged) ] Update window's monitor after configure [Aleksandr; !5354 (merged) ] Use logical normal orientation when resetting panel rotation [Ratchanan; !4898 (merged) ] Preserve MRU order when windows become sticky [Jon; !5361 (merged) ] Allow changing selections with the same serial [Vlad; !5370 (merged) , !5382 (merged) ] Fix applying workspaces-only-on-primary after monitor changes [liuyingjie; !5254 (merged) ] Allow cursor implementations to fall back to Xcursor [Alessandro; !5352 (merged) ] Enforce throttling of frame clock updates while power saving [Michel; !5331 (merged) ] Misc..
Executive Summary
51.1 Fix drag&drop between Wayland and Xwayland clients [Alessandro; !5362 (merged) ] Update window's monitor after configure [Aleksandr; !5354 (merged) ] Use logical normal orientation when resetting panel rotation [Ratchanan; !4898 (merged) ] Preserve MRU order when windows become sticky [Jon; !5361 (merged) ] Allow changing selections with the same serial [Vlad; !5370 (merged) , !5382 (merged) ] Fix applying workspaces-only-on-primary after monitor changes [liuyingjie; !5254 (merged) ] Allow cursor implementations to fall back to Xcursor [Alessandro; !5352 (merged) ] Enforce throttling of frame clock updates while power saving [Michel; !5331 (merged) ] Misc.
Linux Kernel Subsystems & Performance Audit
From an operating systems and systems programming perspective: - **Upstream Cohesion:** Merging patches upstream prevents fragmented fork debt and guarantees binary compatibility. - **Attack Surface Reduction:** Stripping obsolete legacy subsystems strengthens real-world operational security. - **Resource Determinism:** Enhancements to scheduling and memory management minimize jitter in high-throughput workloads.
Impact on the Open Ecosystem
Ensures kernel infrastructure remains auditable, stable under heavy load, and compliant with modern reproducibility standards.