====== Polymake 4.2 ======

Release dates: 
  * 4.2: September 18th, 2020

==== Changelog ====

-- general --
  * adjust c++ version check for compilers with incomplete c++17 support

-- common --
  * fix bug in back() of Bitset
  * implement p-adic valuation of rational numbers (via flint)
  * fix bug in normalization of QuadraticExtension

-- fan --
  * fix bug in HyperplaneArrangement when hyperplane is parallel to facet of
    SUPPORT cone

-- polytope --
  * fix bug in included_polyhedra for empty polyhedra
  * various ball containment functions for polytopes added: contains_ball,
    contained_in_ball, minimal_ball, maximal_ball
  * refactor containment checks

-- topaz --
  * documentation enhanced, several examples added
  * implement function to compute broken circuit complex of a matroid

-- tropical --
  * refactor functions for computing tropical Pluecker vectors