Product updates: VM Sandboxes, Lower latency routing, RBAC, and more

Modal announced regional Function routing in US West, EU West, and Asia Pacific South to reduce latency and support data residency, alongside an alpha VM Sandbox runtime with a real Linux kernel for Docker, eBPF, systemd, cgroups, custom mounts, and improved filesystem I/O. Sandbox updates include outbound domain allowlisting, volume subdirectory mounts, generally available readiness probes, configurable snapshot retention periods, and Named Images for sharing reusable container images across apps. The company also introduced a CLI for managing Modal Agent Skills, expanded role-based access control for Team and Enterprise plans through restricted Environments, and improved workspace limit visibility for GPU, container, and Sandbox usage. Modal released Python SDK 1.5.0 and JavaScript and Go SDK 0.8.0, while highlighting technical posts on serverless GPU startup improvements, reinforcement-learning infrastructure, multimodal inference optimization, and an Anthropic integration that runs Claude Managed Agent tool calls in Modal Sandboxes.

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