Release history · AWS
Kiro versions
Every Kiro release and changelog entry tracked by aiticker: 26 so far, latest Models: Claude Haiku 5.5 Now Available on Oct 23, 2026.
2026
- Models: Claude Haiku 5.5 Now AvailableOct 23, 2026
- IDE: Choose When Kiro Uses WorkflowsOct 22, 2026
- IDE 1.4.26: Memory Across Chat SessionsOct 22, 2026
- Models: Generally Available: Claude Fable 5.1, Claude Sonnet 5.5, GPT-5.6 Terra, and GPT-5.6 LunaOct 21, 2026
- CLI: Workflows Start Only When You AskOct 21, 2026
- CLI: Workspace Trust, Workflow Plan Step Trees, and Mermaid SubgraphsOct 20, 2026
- IDE: Memory Setting Defaults to Off, Workflow Plan Feedback, and Resilient PowersOct 20, 2026
- IDE 1.4.10: Memory Across Chat SessionsOct 20, 2026
- IDE: Memory Across Chat SessionsOct 19, 2026
- Crew: Crewmate Profiles, Dynamic Dashboards, and Remote Crews as Live WindowsOct 16, 2026
- Models: Kimi K3 now available in KiroOct 15, 2026
- CLI: Folder Write Approvals, Non-Interactive Cloud Sessions, and Workflow Plan PreviewsOct 15, 2026
- IDE: Markdown Review, What's New Announcements, and Workflow Step NotificationsOct 15, 2026
- Models: Claude Sonnet 4 reaches end of lifeOct 14, 2026
- CLI: Mermaid Diagram in ChatOct 14, 2026
- CLI: Local Command Sandbox and Local Autonomous Mode: Use the local command sandbox and autonomous mode in V3, load MCP tools on demand, and keep V3 configuration under KIRO_HOME.Oct 13, 2026
- IDE: Local Command Sandbox, Start Saved Workflows from Chat, and Live Tab Status: Limit what agent-run shell commands can reach, start saved Workflows from chat, and see live session status on editor tabs.Oct 13, 2026
- Web: Model Fallback, Workflow Step Models, and Session Reopen PreviewsOct 12, 2026
- CLI: Switch to V3 at Chat Start and Model Fallback NoticesOct 12, 2026
- General: Kiro is now in scope for FedRAMP Class COct 12, 2026
- Models: Claude Opus 5.5 now available in AWS GovCloud (US): Claude Opus 5.5 is available in the Kiro IDE and CLI across both AWS GovCloud (US) Regions.Oct 9, 2026
- Models: Claude Sonnet 5.5 now available in AWS GovCloud (US): Claude Sonnet 5.5 is available in the Kiro IDE and CLI across both AWS GovCloud (US) Regions.Oct 9, 2026
- CLI: Memory Across Chat Sessions: In local V3 sessions, Kiro can learn useful context from your work and recall it in later chat sessions, with controls for memory access and automatic updates.Oct 9, 2026
- IDE: Workflow Feedback, Power Search, and Flexible Hook MatchingOct 8, 2026
- IDE 1.2.56: Workflows, Safer Untrusted Workspaces, and Enterprise Sign-In ControlsOct 8, 2026
- CLI: Switch to 3.0 from Classic, Category-Based Hook Matching, and Steadier V3 Sessions: Switch an interactive Classic session to 3.0, match V3 Hooks by tool category, and improve reliability in long V3 sessions.Oct 5, 2026