SCDisplay.width is in points, not pixels: the previous fix sent point
counts to SCStreamConfiguration, producing blurry main-screen captures and
failed secondary-screen captures. Multiply by the backing scale factor of
the screen containing the selection (defaulting to 1x, never forcing 2x).
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Assisted-by: Crush:deepseek-v4-flash-0731
The 1.1.2 retina fix overrode the stream width from the display's pixel
dimensions, which made captures on secondary monitors come out at the
wrong scale or offset. Restore requesting the display's native pixel
resolution and keep the crop scale derived from the actual returned image,
plus guard against out-of-bounds crop rects.
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Full-res retina captures are downscaled to fit the window; nearest-neighbor
made them look chunky. Use high-quality interpolation when shrinking, keep
pixel-crisp rendering only when upscaling small selections.
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The ScreenCaptureKit stream was sized in points at 1x scale, so retina
displays produced half-resolution captures that appeared pixelated.
Request backingScale x pixels and derive the crop scale from the actual
captured image dimensions.
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The result image was upscaled with interpolated smoothing, making small
captures look low-res. Disable interpolation so pixels stay 1:1 sharp.
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Assisted-by: Crush:deepseek-v4-flash-0731
Users can now launch Kapture at login, keep multiple screenshot windows open
at once, and copy a screenshot to the clipboard. Builds sign with a Developer
ID identity when present, falling back to the ad-hoc self-signed key, so
Screen Recording permission survives rebuilds.
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Assisted-by: Crush:deepseek-v4-flash-0731