Apple’s new Containerization framework (announced at WWDC 2025) is interesting here. Unlike Docker on Mac, which runs all containers inside a single shared Linux VM, Apple gives each container its own lightweight VM via the Virtualization framework on Apple Silicon. Each container gets its own kernel, its own ext4 filesystem, and its own IP address. It is essentially the microVM model applied to local development, with OCI image compatibility. It is still early, but it collapses the gap between “local development containers” and “properly isolated sandboxes” in a way that Docker Desktop never did.
Shadow DOM is a web component feature that lets you attach an isolated DOM subtree to any HTML element, hidden from the main document’s standard queries. A querySelector('audio') on the main document cannot see inside a Shadow Root unless you specifically traverse into it. If fermaw’s player was mounted inside a Shadow Root, basic DOM searches would come up empty.，这一点在safew官方版本下载中也有详细论述
。Line官方版本下载对此有专业解读
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void mergeSortRecursive(int arr[], int left, int right) {