====== Polymake 3.0r2 ======

Release date July 22nd, 2016

==== Changelog ====

-- distribution --
  * support for perl 5.24
  * support for gcc 6 (add no-delete-null-pointer-checks)
  * workaround for compile error under clang 3.8 / xcode 7.3
  * warn when neither bliss nor nauty are enabled
  * include nauty interface in minimal tarball

-- general --
  * several small fixes in handling of subobjects and specializations
  * several other minor bugfixes

-- fan --
  * fix in regularity client (thanks: Sebastian Gutsche)

-- matroid --
  * fix in dual matroid client

-- polytope --
  * fix for degenerate hypersimplices (thanks: Charles Wang)
  * fix in separating hyperplane client


====== Polymake 3.0r1 ======

Release date January 25th, 2016

==== Changelog ====

-- distribution --
  * fix incompatibility of the Integer type with libnormaliz on 32bit platforms
  * fix several other minor compilation issues

-- general
  * fixes for the TikZ visualization of pointsets:
     - for drawing PointConfigurations
     - for drawing lattice points in polytopes
  * fixes in handling of nested Ring types

-- polytope --
  * fixes in TOPCOM interface


====== Polymake 3.0 ======

Release date January 18th, 2016

==== Changelog ====

-- distribution --
  * support for libc++
  * better support for compiling on MacOS X
  * support compilation with C++11 enabled
  * fix for gcc-5.x
  * fix rare build issues
  * support for perl 5.22
  * fix build issue with gmp-6.1
  * fixes for build-reproducibility

-- general --
  * significant improvement in rule scheduling
  * examples for various properties and clients:
     - in online help
     - in HTML documentation
     - focused on application polytope
  * various bugfixes and improvements, especially in documentation and visualization
  * fixes and improvements in TAB-completion and F1-help
  * merge github pull #2 (fix -Werror=format-security issues)
  * fix jReality visualization on various Intel HD Graphics (updated jogl)
  * fix jReality startup issues

-- common --
  * add new coordinate type PuiseuxFraction
  * new client for Hermite normal form
  * basic numerical linear algebra for double coordinates:
     - new client for QR-decomposition
     - new client for singular value decomposition
     - better solving of linear systems with double coordinates
  * improvements for FacetList type
  * matrix element access now via ->elem(,)

-- fan --
  * new client planar_net, including visualization and flaps generation
  * new clients for dual fans of graph associahedra and manipulating tubings
  * new objects SubdivisionOfPoints and -Vectors:
	  - some refactoring of related properties

-- group --
  * refactored orbit and group action
  * new client for generic orbit computations
  * improvements / fixes for linear symmetries computation

-- matroid --
  * new client for rank of arbitrary sets
  * new client for minimum weight bases
  * new client for free extensions
  * new property transversal_presentation
  * new property splitting_flacets
  * fixed bug in check_basis_exchange_axiom

-- polytope --
  * clients for all Johnson solids:
     - with correct combinatorics
     - many with exact QuadraticExtension or Rational coordinates
  * clients and wrappers for Platonic, Archimedean and Catalan solids
  * new client to count triangulations for 2-dim. point configurations (Alvarez,Seidel)
  * new client long_and_winding
  * new client goldfarb_sit
  * new client for lattice width
  * new client for decomposing a polytope into direct summands
  * LatticePolytope is now a specialization of Polytope instead of a separate type
  * renamed several integer programming related clients to fractional_
  * fixed some problems with Minkowski sum client
  * wythoff client now produces maximally symmetric polytopes whenever possible, i.e. except for G2
  * fixes for h^*-vector and Ehrhart polynomial computation

-- topaz --
  * new client random_discrete_morse, used for improved heuristic sphere recognition
  * new header tools for dealing with posets (construction, homomorphisms, etc)
  * new properties UNIMODULAR and  N_UNIMODULAR for GeomertricSimplicialComplex
  * renamed P_sum_triangulation client to sum_triangulation and improved functionality
  * new auxiliary clients for supporting sum-triangulations

-- tropical --
  * Major refactoring:
     - new object type Cycle, based on polyhedral complex
     - templated hypersurface client for Min/Max
     - renamed TropicalPolytope to Cone
  * added atint as a bundled extension for tropical intersection theory
  * added support for infinite coordinates
  * new client covector
  * new data type CovectorLattice
  * cleanup of obsolete functionality

-- interfaces --
  * new interface to LP-solver SoPlex 2.2.0
  * update lrs to 6.0
  * update cdd to 094h
  * update nauty to 2.5r9
  * update libnormaliz to 3.0.90
  * update threejs to 73
  * singular:
     - division of polynomials by ideals
     - contains monomial test
     - access to singular polynomials as matrix / vector pair
  * sympol:
     - convex hull computation up to symmetry now supports ppl
  * improvements in TOPCOM interface
  * normaliz2 file based interface removed