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• v1.11.1 a2770d3edf

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  perf: double-buffered RDP frames + frontend rAF throttling

  Ghost released this 2026-03-30 13:19:40 +00:00 | 19 commits to main since this release

  Root cause: RDP was unresponsive due to frame pipeline bottleneck.

  • get_frame() held tokio::Mutex while cloning 8.3MB, blocking the
    RDP session thread from writing new frames (mutex contention)
  • Frontend fetched on every backend event with no coalescing
  • Every GraphicsUpdate emitted an IPC event, flooding the frontend

  Fix:

  • Double-buffer: back_buffer (tokio::Mutex, write path) and
    front_buffer (std::sync::RwLock, read path) — reads never block writes
  • get_frame() now synchronous, reads from front_buffer via RwLock
  • Backend throttles frame events to every other GraphicsUpdate
  • Frontend coalesces events via requestAnimationFrame
  • RdpView props now reactive (computed) for correct resize behavior
  • rdp_get_frame command no longer async (no .await needed)
  • screenshot_png_base64 no longer async

  Co-Authored-By: Claude Opus 4.6 (1M context) noreply@anthropic.com

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  • Source Code (TAR.GZ)