git log boost-1.71.0..master --pretty=format:"1. [%h](http://github.com/boostorg/gil/commi t/%H) - %s" > boost-1-72-gil-changelog.md
- e8a04f403 - Merge branch 'develop' for Boost 1.72 release.
- 62379dd5b - Implement Sobel and Scharr operators (#392)
- 20f511b7d - Flatten structure of test/extension/io/output/ folder (#400)
- 29208c730 - Fix void istream_device::read function returning a value (#399)
- 100762760 - Add GIL_ENABLE_EXT_DYNAMIC_IMAGE to CMakeSettings.json example [ci skip]
- 146d81bb7 - Update exte