kagent v1.0 Replaces Deployment-Based Agents with gRPC Lifecycle Model

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Open-source Kubernetes agent framework kagent released its first v1.0 line, tagged v1.0.0-alpha1, on September 18, 2026, after nine months of 0.x development. The release's core change is architectural: the old model where an agent mapped to a Kubernetes Deployment has been replaced by AgentInstance, an imperative gRPC lifecycle object with an explicit state machine. The changelog spans roughly 130 pull requests, dominated by removal of legacy controller runtime and deployment-backed agent APIs. A new conversation checkpoint system lets users fork agent sessions from a saved state rather than restarting from scratch, similar to git branching. The A2A gRPC gateway and actor resume-from-snapshot performance improvements are also included, though durable task persistence and related production-readiness features remain listed as follow-up work.

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