Changes in version 4.430.2                       

New features

N/A

Minor improvements and fixes

  - Fix an issue with detecting when a new version of OpenCV is
    available.

                       Changes in version 4.430.1                       

New features

N/A

Minor improvements and fixes

  - Fix an issue with detecting Rtools with R 3.x on Windows.

                       Changes in version 4.430.0                       

New features

  - Package updated to use the latest OpenCV release (4.3.0).
  - Package updated to work with RTools 4.0 (Windows only).

Minor improvements and fixes

  - A CMake check is now made during the package installation.

                Changes in version 4.130.0 (2026-05-21)                 

New features

  - Updates package to target OpenCV 4.13.0.
  - installOpenCV() now respects custom install paths when setting PATH
    and LD_LIBRARY_PATH at package load time.
  - optimize_for_host parameter in installOpenCV() is now supported on
    Unix and macOS (previously Windows-only).

Minor improvements and fixes

  - Fixes Rtools detection on systems with strict PowerShell execution
    policies by adding -NoProfile flag to PowerShell calls (thanks to
    @allan-sims, #54).
  - Fixes a bug where old OpenCV installations were not removed when
    reinstalling.
  - Removes a debug print() call from removeOpenCV().
  - Diagnostic messages now use message() throughout, enabling
    suppression via suppressMessages().
  - Path construction in defaultOpenCVPath() is now robust to install
    trees that contain "ROpenCVLite" in a parent directory.
  - Build steps use system2() instead of system(paste0(...)) for safer
    handling of paths with spaces.

                Changes in version 4.110.0 (2025-05-05)                 

New features

  - Upgrades package to OpenCV 4.11.0.

Minor improvements and fixes

  - Fixes issue with CMake 4.

                 Changes in version 4.90.2 (2024-08-01)                 

New features

  - N/A.

Minor improvements and fixes

  - Removes pkgbuild dependency.

                 Changes in version 4.90.1 (2024-01-21)                 

New features

  - Adds WeChat QR code module (thanks to @wresch).
  - Adds pkgconfig files (thanks to @wresch).

Minor improvements and fixes

  - Remove some processor optimization to avoid errors on Windows with
    recent CPUs.

                 Changes in version 4.90.0 (2024-01-08)                 

New features

  - Upgrade package to OpenCV 4.9.0.
  - Remove support for R < 4.0.0.

Minor improvements and fixes

  - Add compilation flags required to avoid errors on Windows 11.
  - Overhaul of the installation functions for easier update management.

                 Changes in version 4.80.1 (2023-10-31)                 

New features

  - N/A.

Minor improvements and fixes

  - Add compilation flags required with latest Rtools on Windows.

                 Changes in version 4.80.0 (2023-07-20)                 

New features

  - Upgrade package to OpenCV 4.8.0.

Minor improvements and fixes

  - N/A.

                 Changes in version 4.70.0 (2023-01-06)                 

New features

  - Upgrade package to OpenCV 4.7.0.

Minor improvements and fixes

  - N/A.

                 Changes in version 4.60.3 (2022-12-01)                 

New features

  - Adds ximgproc "extra" module.

Minor improvements and fixes

  - N/A.

                 Changes in version 4.60.2 (2022-07-17)                 

New features

  - Adds function to remove OpenCV.

Minor improvements and fixes

  - Removes unnecessary messages during package installation.

                 Changes in version 4.60.1 (2022-07-16)                 

New features

  - Upgrade package to OpenCV 4.6.0.

Minor improvements and fixes

  - N/A.

                 Changes in version 4.55.2 (2022-05-18)                 

New features

  - N/A.

Minor improvements and fixes

  - Compatible with new RTools 4.2 toolchain.

                       Changes in version 4.55.1                        

New features

  - Add possibility to install OpenCV in custom directory.
  - Change default installation directory.

Minor improvements and fixes

  - Fix documentation.

                 Changes in version 4.55.0 (2022-04-13)                 

New features

  - Upgrade package to OpenCV 4.5.5.

Minor improvements and fixes

  - N/A.

                 Changes in version 4.52.1 (2022-02-17)                 

New features

  - N/A.

Minor improvements and fixes

  - Fix installation bug on Windows after upgrade to latest pkgbuild
    version.

                 Changes in version 4.52.0 (2021-07-05)                 

New features

  - Upgrade package to OpenCV 4.5.2

Minor improvements and fixes

  - N/A.

                 Changes in version 4.51.0 (2021-03-21)                 

New features

  - Upgrade package to OpenCV 4.5.1
  - OpenCV compiles with OpenCL support and other optimizations when
    possible.

Minor improvements and fixes

  - N/A.

                 Changes in version 4.50.0 (2021-02-06)                 

New features

  - Upgrade package to OpenCV 4.5.0
  - OpenCV compiles with OpenMP support when possible.

Minor improvements and fixes

  - N/A.

                       Changes in version 3.412.1                       

New features

N/A

Minor improvements and fixes

  - If an old installation exists, it is deleted before
    upgrading/reinstalling OpenCV.

                Changes in version 0.3.412 (2019-12-19)                 

New features

  - Package updated to use the latest OpenCV release (4.1.2).

Minor improvements and fixes

N/A

                Changes in version 0.3.410 (2019-08-02)                 

New features

  - Package ready for release to CRAN.

Minor improvements and fixes

N/A