Devin Desktop v1.9.0
Devin Desktop v1.9.0 was released on .
Summary
New Family of SWE-1 Models — New SWE-1 Model made by Windsurf is available in Cascade
Release Context
- This was the 29th Devin Desktop release of 2025 tracked by Havoptic.
- It shipped 9 days after Devin Desktop v1.8.2 (May 6, 2025).
Shipped around the same time
Within 3 days of this release, other AI coding tools also shipped:
- Claude Code v0.2.117 (May 17, 2025)
- Claude Code v0.2.108 (May 13, 2025)
Compare Devin Desktop: vs Claude Code · vs OpenAI Codex CLI · vs Cursor · vs Gemini CLI · vs Kiro CLI · vs GitHub Copilot CLI · vs Antigravity CLI
Release Notes
New Family of SWE-1 Models
SWE-1
- New SWE-1 Model made by Windsurf is available in Cascade
- SWE-1 is a new model with frontier model-level capabilities
- Free for a limited time for Pro Users
SWE-1-lite
- SWE-1-lite is a new, far more capable model replacing Cascade Base
- Free to use for all plans and tiers
SWE-1-mini
- SWE-1-Mini is our revamped model for tab completion in Windsurf
Misc
- Few memory leak bug fixes
- Various fixes to Cascade Plugin Panel
Other Recent Devin Desktop Releases
- v3.5.17 (July 19, 2026)
- v3.4.27 (July 7, 2026)
- v3.4.22 (July 4, 2026)
- v3.3.18 (June 23, 2026)
- v3.2.28 (June 23, 2026)
All Devin Desktop releases · All AI coding tool releases on Havoptic