Servo 0.4.0 released

The Servo web-browser engineproject has published an updateabout all of the changes that landed in June 2026, along with version0.4.0 of the Servo Tech Demo. This release includes a record 558commits, betterlayout correctness for web sites, improved WebGPU support, enhancementsfor users who are using the servoshelltest browser, and many performanceand stability fixes.