<h2>What's changed</h2> <ul> <li>Sub-agents can now spawn their own sub-agents (up to 5 levels deep)</li> <li>Amazon Bedrock now reads the AWS region from <code>~/.aws</code> config files when <code>AWS_REGION</code> isn't set, matching AWS SDK precedence; <code>/status</code> shows where the region came from</li> <li>Added a search bar when browsing a marketplace's plugins in <code>/plugin</code></li> <li>Added <code>model</code> attribute to the <code>claude_code.lines_of_code.count</code> OTEL metric</li> <li>Fixed sessions using 1M context without usage credits getting permanently stuck —