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The next generation AgentCore runtime is now the default

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Starting today, new runtimes in Amazon Bedrock AgentCore use the next generation of AgentCore runtime by default. The new runtime restores each session from a snapshot of your initialized agent, scales compute and memory with the work, and scales idle agents to zero. Every session still runs in its own hardware-isolated Firecracker microVM.

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Also shipped Nov 12, 2026AWS in November 2026 →

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Claude Fable 5.2 is now available on AWS

Claude Fable 5.2 is now generally available on AWS. It is optimized for complex technical projects in software engineering, research, and finance, with capabilities for autonomous, long-running tasks.

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