Kiro Changelog

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Kiro Changelog · 2026-09-14

Models: GPT-5.6 Sol, Terra, and Luna upgraded to 1M context window

GPT-5.6 Sol, Terra, and Luna now support a 1M token context window, up from 272K, in the Kiro IDE, CLI, and Web. Entire codebases, long-form documents, and extended multi-turn agent histories fit in a single request, so repository-scale refactors, end-to-end debugging, and long-horizon agentic tasks run without chunking or losing earlier context. Credit multipliers for the GPT-5.6 family are updated with this launch and follow the two-tier context model OpenAI and Amazon Bedrock use: requests up to 272K tokens bill at the short context rate (Sol 4.4x, Terra 2.2x, Luna 1.1x), and requests above 272K tokens bill at double that rate. 1M context is rolling out gradually with experimental support to Kiro Pro, Pro+, Pro Max, and Power customers. Restart your IDE or CLI, or refresh Kiro Web, to see the updated models. Learn more ->

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Kiro Changelog · 2026-09-14

IDE: Agent Artifacts and Native ARM64 Builds

IDE 1.1 lets agents produce durable artifacts you can review and return to, adds native ARM64 builds for Windows and Linux, and updates the editor foundation to Code OSS 1.131. Compacted conversations retain the right context, MCP failures are clearer, Hooks are more reliable, and enterprise profiles route requests to the selected region.

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Kiro Changelog · 2026-09-05

Crew: Remote Crews, Agent Harnesses, and Apps Launchpad

Kiro Crew 0.6.0 lets you choose the harness behind a session, start work on a connected remote crew, and let crew members dispatch workers of their own. Chat is quieter and easier to resume, long-running work gets more room to finish, and Apps adds a Launchpad for the tools you install. Python 3.12 is now the minimum supported version.

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Kiro Changelog · 2026-09-01

Web: Use Cloud Configuration in Local Sessions

Configuration Sync can now carry your cloud configuration into new local Kiro IDE and CLI sessions. On the Configuration Sync page, enable Apply your cloud configuration to local sessions to load your cloud Steering files, custom agents, Skills, Powers, and Hooks when a session starts. Cloud content stays in the cloud and does not replace files in your local .kiro directory. Learn more ->

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Kiro Changelog · 2026-09-01

IDE: Cloud Configuration, Synced Powers, and Agent Focus Reliability

With Cloud configuration enabled, your supported personal configuration appears across the IDE and Agent Focus, and cloud-synced Powers are ready to try from the installed list. This version also keeps in-progress cloud-session drafts available across navigation and preserves the welcome view until you send your first prompt.

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Kiro Changelog · 2026-09-01

General: Kiro adds ISO/IEC 27001:2022 coverage

Kiro is included in the defined scope of AWS's ISO/IEC 27001:2022 certification. This gives security, procurement, and vendor-risk teams independently verified evidence they can use when evaluating Kiro.

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Kiro Changelog · 2026-09-01

General: Export Kiro usage metrics to OpenTelemetry

Account administrators can now send per-user Kiro usage metrics to their OpenTelemetry-compatible observability platform. Monitor adoption, engagement, and credit consumption by user and model without configuring individual developer environments. Use OTLP alongside the existing daily CSV report to integrate Kiro metrics directly into dashboards and monitoring workflows.

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Kiro Changelog · 2026-08-31

Web: Pick a Branch When You Pick a Repository

You no longer have to start from the default branch. When you select a GitHub or GitLab repository for a session, choose the branch to work from right in the selector. The agent clones that branch and builds on it.

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Kiro Changelog · 2026-08-29

Crew: AWS Control, Session Tabs, and Agent Coordination

This version gives your AWS account a control room, lets administrators publish one security policy across a fleet, and makes parallel work easier to manage with persistent session tabs. Local dictation works without a separate speech-to-text install, agents can coordinate work across sessions, and script-installed copies can update themselves atomically.

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Kiro Changelog · 2026-08-27

Web: Sessions Name Themselves

New sessions now get a descriptive, agent-generated title based on what you're working on, replacing the generic default. The title appears in the session header and sidebar as soon as it's ready. Rename a session yourself and that name sticks. The agent never overwrites a title you've set.

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Kiro Changelog · 2026-08-25

Crew: First-Class Windows and Linux, a Secrets Vault, and a Code-Editing Dashboard

This version makes Windows and Linux first-class installs, moves your secrets out of the config file and into an encrypted vault, and turns the dashboard into a place to edit code, not just discuss it. Every messaging channel reaches parity with Slack and three new ones arrive, MCP servers stop guessing about safe process sharing, and boot uses far less memory.

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Kiro Changelog · 2026-08-22

Web: Organize Sessions into Groups

Keep a growing session list manageable by grouping related sessions. Create a group in the sidebar or on the sessions page, move sessions in and out, and rename or dissolve a group at any time.

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