One sentence in Kiro’s file-read and search tool descriptions made a false claim about how the harness behaves, and it reached the model 61,742 times across a few hundred sessions. It did nothing ...

Claude Fable 5.1, Claude Sonnet 5.5, GPT-5.6 Terra, and GPT-5.6 Luna are generally available with full Kiro support. Expanded capacity supports more dependable access for production workloads. GPT-5.6 ...

This release introduces Memory in Kiro IDE. It also makes find more reliable in long Markdown Review documents, fixes a sign-in screen that ignored Cancel, and fixes Kiro failing to start after a .deb ...

Limit what agent-run shell commands can reach, start saved Workflows from chat, and see live session status on editor tabs. This release lets you limit what agent-run shell commands can reach and ...

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 ...

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 ...

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 ...

This release draws Mermaid diagrams directly in chat. It also makes saved settings work in headless V3 runs. Other fixes improve copied prompts, blocked panes, model fallback, compaction, Windows ...

Today, we’re introducing memory in Kiro IDE and CLI. Kiro can remember how you prefer to work, repository-specific commands and conventions, corrections, debugging insights, and approaches you have ...

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 ...

Kiro Crew 0.9.0 lets you check on a crewmate at a glance. Opening one shows where its work stands, and a Profile card holds its permission, model, and schedules. In preview, each crewmate gets a ...

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 ...