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Docker Desktop is replacing its third-party VM layer with Docker VMM

Docker VMM gives Docker direct control over Desktop’s hidden Linux-VM layer and is still targeted to become the default for new installs at GA. The August 24 Desktop 4.88 release is an important beta signal: it fixes a severe inbound-network-throughput regression and removes a 28 GiB Mac memory ceiling, reinforcing the need for workload-specific testing before standardisation.

Cloudflare Browser Run can now hard-limit agent sessions to approved hostnames

The useful change is containment rather than another browser-agent feature. Teams can let an agent operate a real browser while constraining its HTTP and HTTPS reach to the site and dependencies the task actually needs, reducing the blast radius of prompt injection, bad tool decisions or untrusted page content.