v0.0.75 - 1Code v0.0.75 | 21st Changelog | 21st

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v0.0.75

1Code v0.0.75

February 26, 2026

What's New

Improvements & Fixes

Claude Agent SDK updated to v0.2.61 — Updated from v0.2.45, bringing parity with Claude Code CLI v2.1.61. Includes support for adaptive thinking (Opus 4.6), effort levels, prompt suggestions, session management APIs, and new hook events
Claude CLI binary updated to v2.1.61 — Latest Claude Code CLI with improved stability and new model capabilities

Downloads

macOS (Apple Silicon): 1Code-0.0.75-arm64.dmg
macOS (Intel): 1Code-0.0.75.dmg
Windows: 1Code Setup 0.0.75.exe
Linux (AppImage): 1Code-0.0.75.AppImage
Linux (deb): 21st-desktop_0.0.75_amd64.deb

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The source code is available on GitHub

21st Labs Inc.

The source code is available on GitHub

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