From the source
Amazon announced several updates across Bedrock, AgentCore, and Strands.
OpenAI's Astra, Sol, and Luna models became generally available on Bedrock, while Managed Agents powered by OpenAI entered public preview.
Strands introduced an open source agent harness using 28% fewer tokens and a 2B-parameter decision model, Decider 2B.
AgentCore's runtime improved memory management and cold start latency for serverless agents.
aws.amazon.com