• Make retirement in October 2023 explicit, move package start-up messages to load from attach
  • remove CXX11 requirement
  • commence deprecation

  • Update src/Makevars.win to GEOS 3.10.2 for R < 4.2

  • fix -Wstrict-prototypes problems

  • Adapt to UCRT Windows 4.2
  • Run autoupdate on configure.ac to handle obsolete AC_HELP_STRING etc.
  • adapt to OverlayNG in GEOS 3.9

  • update Windows static library to GEOS 3.9

  • add gMinumumRotatedRectangle() and gMaximumInscribedCircle() for GEOS 3.9

  • adapt configure.ac for GEOS 3.10

  • add support for structured geometry fixer in gMakeValid() from 3.10

  • add gMakeValid() for GEOS 3.8

  • update Windows static library to GEOS 3.8

  • add gCoverageUnion()

  • add stdlib.h to configure.ac