16 ### Removed  subsection
17 - BREAKING: Removed dependency on Boost.Variant
40 - Removed remaining uses of Boost.MPL ([PR #441](https://github.com/boostorg/gil/pull/441).
44 ### Removed  subsection
45 - Removed `extension/dynamic_image/reduce.hpp` as unused and possibly unfinished ([PR #466](https:/…
46 - Removed direct dependency on Boost.MPL, Boost.System and Boost.Test.
84 ### Removed  subsection
86 - Removed use of Boost.TypeTraits ([PR #274](https://github.com/boostorg/gil/pull/274)).
95 - Removed uses of deprecated implicit definition of defaulted copy assignment operator or copy cons…
109 - Removed uses of `boost::enable_if` with `std::enable_if` ([PR #215](https://github.com/boostorg/g…
114 ### Removed  subsection
116 - Removed uses of Boost.StaticAssert ([PR #207](https://github.com/boostorg/gil/pull/207)).
117 - Removed uses of `BOOST_STATIC_CONSTANT` ([PR #211](https://github.com/boostorg/gil/pull/211)).
118 - Removed uses of Boost.Function  ([PR #213](https://github.com/boostorg/gil/pull/213)), Boost.Bind…
132 ### Removed  subsection
159 ### Removed  subsection
244 ### Removed  subsection
245 - Removed any external dependencies from the regression tests.
282 …Removed `dynamic_x_step_t`, `dynamic_y_step_t`, `dynamic_xy_step_t` and `dynamic_xy_step_transpose…
317 ### Removed  subsection