Use the local command sandbox and autonomous mode in V3, load MCP tools on demand, and keep V3 configuration under KIRO_HOME. This release makes the local command sandbox and local autonomous mode ...

Claude Sonnet 4 has reached end of life in Kiro as of October 14, 2026. If your work depends on it, choose another available model before continuing. Claude Sonnet 5.5 is the latest Sonnet model. See ...

Today, we are excited to announce that Kimi K3 model from Moonshot AI is available in Kiro, bringing the world’s first open-weight 2.8T-parameter model (according to Moonshot AI) directly into your ...

This page covers tangent in CLI V3 (kiro-cli --v3), built on the unified agent harness. The earlier experimental tangent mode behaves differently — a single checkpoint toggled with /tangent or Ctrl+T, ...

Kimi K3 is now available with experimental support across the Kiro IDE, CLI, Crew, and Web for Pro, Pro+, Pro Max, and Power customers using Kiro's US geography. Moonshot AI's open-weight model ...

The easiest way to understand a cloud session is to see it in action. This walkthrough starts a task from Kiro Web, shows what happens inside the cloud session, and follows the work through to a pull ...

Kiro local sandboxing helps protect your local files and credentials by limiting what agent-run commands and scripts can access. The operating system enforces these limits, reducing the impact of a ...

This release brings Markdown Review to every Kiro IDE user, so you can comment on Markdown files in your workspace and send the comments to Kiro in one batch. It also adds a What's new announcement ...

This release shows a startup prompt inviting you to switch to V3 as part of a gradual rollout. It also adds V3 model fallback notices, keeps more of your V2 agent access when you upgrade agents to V3, ...

Markdown Review opens any Markdown file in your workspace as a rendered document you can comment on. Select a passage, write what should change, repeat for every passage that needs work, then send all ...

Until now, there was no way to control how enterprise users sign in to Kiro on managed devices. Even if your organization requires IAM Identity Center, users can still sign in to Kiro with a personal ...