Kiro CLI v2.23.0

Kiro CLI v2.23.0 was released on .

Summary

Configure thinking and effort from /model and start V3 cloud sessions before connecting a repository.

Release Context

  • This was the 47th Kiro CLI release of 2026 tracked by Havoptic.
  • It shipped 5 days after Kiro CLI v2.22.0 (September 16, 2026).

Shipped around the same time

Within 3 days of this release, other AI coding tools also shipped:

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Release Notes

This release brings reasoning controls into /model and lets V3 cloud sessions start before you connect a repository. Improvements add clearer live progress, smoother streaming, and more efficient fullscreen scrolling. Reliability fixes cover models, sessions, tools, and non-interactive runs.

Reasoning controls in /model

Open /model to switch models and configure the selected model's thinking and effort in one place. The panel shows only the options supported by that model and saves your choices for future sessions. /model is now the primary interface for reasoning settings. In V2, bare /effort is a legacy command: it shows a deprecation warning and opens the Effort setting in /model; /effort <level> remains supported. In V3, /effort continues to open its own picker. Learn more ->

Cloud sessions before repository connection (V3)

You can start a cloud session before connecting a repository. Run /repo when you're ready to attach one. If no source provider is connected, Kiro opens the connection screen, where the repository is marked as optional. Learn more ->

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Upgrading from v2.23.0? See all 18 releases since.

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