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#1946·rio

Windows: window.opacity < 1 renders incorrect rectangular background

Author: NirvaxstielCreated Sep 19, 2026Updated Sep 19, 2026

Windows 11, Rio 0.5.28

  • window.opacity < 1 draws a white background. Extending the window reveals the opacity as it should be.
  • use-cpu = true avoids the issue.

use-cpu = false | not defined Image

use-cpu = true Image

Source: raphamorim/rio

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