Add changelog for Cap Desktop v0.3.83

Author: richiemcilroy

apps/web/content/changelog/82.mdx

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+---
+title: Studio Mode overhaul, mic downmixing, capture reliability
+app: Cap Desktop
+publishedAt: “2025-11-11”
+version: 0.3.83
+image:
+---
+
+- **Studio Mode overhaul** - Movement, motion blur, and styling improvements, including new and improved cursors, motion blur for zooms and fast movement, smoother auto-zoom, squircle corners, and more.
+- **Microphone channel downmixing** - Microphone audio frames are now downmixed for better consistency across devices.
+- **Auto-recover capture failures** - Automatically recovers desktop microphone feed and ScreenCaptureKit stream failures on macOS.
+- **macOS capture reliability** - Simplified system stop error checks in screen capture to reduce spurious failures.
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