full. append again has to allocate a new backing store, this time of
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.
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line of thought to a misguided extent, IBM also designed a smaller punch card:
It's far from a done deal - Paramount still needs approval from regulators.
Example: deleting a passkey in Apple Passwords