[Enhancement] macOS: Automatically enable not using the video card gamma table to apply calibration during characterization measurements if using limited range (16..235). This should mitigate issues with older graphics chipsets and/or macOS versions that use the wrong output range internally when connected to some monitors that expect to receive limited range signals.
[Enhancement] Profile loader (Windows): A scheduled task now restarts the profile loader after resume from standby/hibernation as well as daily at 04:00 AM (whichever comes first), to mitigate the Windows GDI SetDeviceGammaRamp API leaking memory since Windows 10 1903.
Fixed in this release:
[Trivial] Don’t automatically disable interactive display adjustment when setting calibration tone curve to “As measured” (unintended behavioral change introduced in DisplayCAL 3.8.6, SVN revision r6194).
[Minor] Linux (GNOME on Wayland): Latency incurred by a large measurement window size was not accounted for, introducing the possibility of measurements failing due to loss of synchronization.
[Minor] Linux (GNOME on Wayland): Limited range (16..235) support.
[Cosmetic][UI] macOS: Get rid of brief profile installation dialog flicker after installation.
[Enhancement] If the graphics drivers or hardware do not support loadable gamma ramps or calibration, show a more descriptive error message.
[Enhancement] Increase the timeout for display & instrument detection during application startup from 10 to 20 seconds, to allow for slow opening of legacy serial ports.
[Enhancement] Windows 10 1903: Always do instrument detection during application startup if more than one instrument was connected the last time the application was used, as the list of instruments is not guaranteed to be consistent between sessions under 1903.
[Enhancement] Profile loader (Windows): Apply smoothing to calibration if the quantization bitdepth is set to 8.
[Enhancement] Profile loader (Windows): No longer require running elevated to be able to detect changes in the display configuration under Windows 10 1903.
Fixed in this release:
[Minor] Do not attempt to access properties of non-existent objects if a subprocess is not succesfully terminated after reaching a timeout during display & instrument detection at application startup (unexpected failure).
[Trivial][UI] Disable the profile installation button if no displays have been detected.
[Trivial][UI] Disable the measurement report menu item if no instruments have been detected.
[Trivial] Profile loader (Windows): Work around Windows 10 1903 handle leaks in Windows Color System APIs.
[Enhancement] macOS: Use caffeinate to prevent display sleep and screensaver.
Fixed in this release:
[Moderate] DisplayCAL 3.8.4 broke video levels (16..235) output encoding/decoding for video card gamma table tags (profiles using calibration with video output levels created by 3.8.4 can be fixed by re-creating via menu “File”, “Create profile from measurement data…” and selecting the existing profile).
[Enhancement] Do early detection of highly non-monotonic luminance responses when doing on-the-fly generation of the preconditioning profile for auto-optimized testcharts with 425 or more patches.
[Enhancement] Always create a single shaper curve for the fallback matrix tags of cLUT profiles with nonlinear calibration.
[Enhancement] Profile loader (Windows): Only try to restore profile associations on exit if they had to be fixed on launch to begin with.
Fixed in this release:
[Minor] Work-around Argyll applycal bug with gamma value TRC curve tags in profiles (fixes generating HDR 3D LUTs from display profiles with such tags).
[Trivial][UI] Windows with display scaling above 100% (HiDPI): Prevent occasional text cutoff/wrapping issues on dialog messages by adding one pixel to the minimum width of the message text area (wxWidgets bug).
Profile loader (Windows): Work around Windows 10 1903 (May 2019 update) severe banding bug and automatically disable Microsoft Windows Color System Calibration Loader task. Logging out and back in is required, and may be required each time a display’s default associated profile is changed.
Fixed in this release:
[Minor] Verification: Prevent unintended mixing of unicode and binary strings when a device link profile is used.
[Cosmetic][UI] Linux (KDE): Centering the measurement window would increase its size slightly and resetting its size would move the window down and right (regression of SVN revision r6137).
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