This month in Servo: :is(), :where(), grid layout, parallel flexbox, and more!

The blog post details several new features and performance improvements for Servo, including support for CSS selectors (:is() and :where()), parallel layout for flexbox, and experimental CSS grid layout. Additionally, it highlights new Shadow DOM interfaces and enhancements to performance, bug fixes, and changes to the build system. This update signals significant advancements for developers working with Servo, making the platform more efficient and easier to develop on. There are also mentions of community support and outreach initiatives, with details on sponsorship.