R1 2023

v1.5.8476.19774 — released 2023-03-17.

R1 2023 brought HEVC playback, the RgbStraight blend mode for premultiplied RGBA compositing, scene-layer duplication, and a substantial platform refresh — CUDA 11.7, FFmpeg 5.1 (now in a standalone installer), and .NET Core 6.0.

Highlights:

  • HEVC (H.265) video playback support.
  • RgbStraight blend mode for premultiplied RGBA compositing.
  • Scene-layer duplication including operators.
  • Platform refresh — CUDA 11.7, FFmpeg 5.1, .NET 6.0.
  • Decklink Capture v3 fallback when the primary card is unavailable.

Inputs

Operators

  • Face Detect — eye-aspect-ratio configuration.
  • New blend mode: RgbStraight for premultiplied-RGBA compositing.

UI / Desktop

  • Scene-layer duplication including all operators.
  • Mouse-position labels in the preview window.
  • Additional preview zoom levels: 125 %, 150 %, 175 %, 300 %, 600 %, 800 %.
  • Improved application startup performance.
  • Enhanced file-dialog directory persistence.
  • Open Recent projects feature.

Scripting / Runtime

  • Project loading via -p parameter.
  • Console error-only logging via --consoleonlyerrors.
  • Runtime licence requirement enforcement via --licenserequired.
  • Automated-test (autotest) support across all platforms.

Other

  • CUDA minimum upgraded to 11.7.
  • FFmpeg upgraded to 5.1; moved to a standalone installer.
  • Linux FFmpeg path configuration.
  • FFmpeg logging integrated into the Composer log system.
  • .NET Core upgraded to 6.0.
  • Software prefix "Vindral" removed from branding.
  • NDI source AutoReconnect error reporting.

Bug fixes

RTMP connection stability under heavy load; alarm clearing functionality restored; licence-file discovery via PowerShell / scripting tools; Face Detect crash prevention during scene resize.

Platform note for Windows 11 users: performance degradation when running backgrounded or locked. Mitigation — disable Hardware-accelerated GPU Scheduling (Settings → System → Display → Graphics → Default graphics settings).