Users of Claude Code on Windows 11 are experiencing significant performance degradation, with frame rates dropping from approximately 16 fps to around 10 fps. This issue, affecting both the idle spinner and token streaming, has been traced to specific version updates of the Claude Code client. While the exact cause is still under investigation, it appears to be related to optimizations aimed at reducing CPU usage, which inadvertently impacted frame scheduling. The only current workaround is to downgrade to version 2.1.159, though this sacrifices newer features. AI
IMPACT Performance issues in AI development tools can slow down workflows and developer productivity.
RANK_REASON The issue concerns a performance degradation in a specific tool (Claude Code) on a particular operating system (Windows 11), rather than a core AI model release or research breakthrough.
Read on dev.to — Claude Code tag →
- AMD Ryzen 7 7800X3D
- Anthropic
- Claude Code
- ConPTY
- G-Sync
- MSI Afterburner
- RivaTuner
- RTX 4080 Super
- Windows 11
- Windows Terminal
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