Fix invisible preview on macOS 26 (Tahoe) - #4
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On macOS 26, the QuickLook compositor no longer properly composites SCNView content when backgroundColor is set to .clear. This caused the 3D preview to be completely invisible (gray/blank box). Changed the background color from .clear to .systemTeal and also re-apply rendering settings in preparePreviewOfFile to ensure the scene renders reliably across QuickLook extension lifecycle events. Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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Summary
SCNViewcontent whenbackgroundColoris set to.clear, causing the 3D preview to render as a blank/gray box.clearto.systemTealand re-apply rendering settings inpreparePreviewOfFileto ensure reliable rendering across QuickLook extension lifecycle eventsTest plan
.stepfile in Finder → 3D model renders with teal background and interactive camera controls🤖 Generated with Claude Code