Restate 1.8: Mind the Queue

Restate 1.8 enables its Virtual Queue scheduler by default, automatically migrating stored invocations on upgraded clusters so that all work is evaluated through a centralized system for concurrency limits, object availability, runtime capacity, and prioritization of resumed versus new tasks. Users can define hierarchical limits across organizations, teams, and individuals using scopes and limit keys, while the new Flow Control UI exposes policies, live limit utilization, queue states, blocked conditions, and invocation timing to help diagnose delays. CLI improvements add structured JSON output, machine-readable errors, distinct exit codes, dry-run previews, and access to virtual-queue and scheduler data through commands and SQL introspection. Restate plans to expand this scheduling foundation with rate limits, priorities, and capacity controls, while the release also includes additional protocol, storage, operational, and upgrade-related changes.

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