v1.0.0

• wxwidgets is now the default plplot plotting backend
  Dear Packagers, please ensure the required plplot driver is included in the dependencies

• cleanups, speed and compatibility improvements, new test routines, new GDL routines, 700+ commits in total since the last release
  Dear Packagers, note the CMake testsuite target changed from "make check" to "make test", please ensure 100% tests pass

• new resource files (including GDL icon)
  Dear Packagers, please also consult the README file in gdl/resource/maps

• Delaunay triangulation support
  Dear Packagers, note that GDL ships with modified source of delaunator-cpp (as well as modified ANTLR and dSFMT header files)

• new GDL website:
  Dear Packagers, please include in package metadata a link to https://gnudatalanguage.github.io/

• game-changing improvements in widgets and plotting (kudos Gilles Duvert)

• switch from Travis & Appveyor to Github Actions, weakly binary releases including Windows installer (kudos Jeongbin Park)

• improvements in implied print, FILE_SEARCH/FINDFILE, PostScript output, interpolation and *_LUN routines (kudos Gilles)

• HDF5 improvements (kudos Oliver Gressel)

• TRIANGULATE improvements (kudos Gilles and brandy125)

• IBETA, TIMESTAMP and related time-handling improvements (kudos Eloi Rozier de Linage and Thibault Huillet)

• numerous Windows compatibility issues fixed (kudos Greg Jung, Eloi Rozier de Linage et al)

• numerous fixes and IDL-compatibility improvements (kudos Alain Coulais et al)

• CMake: requiring 3.2, removed local FindNumpy, cleanups

• stopped supporting grib_api in favor of eccodes

v1.0.0-rc.3

• transparent reading of windows text files (terminated with )
• speedup of TRISOL
• SAVE/RESTORE correctly handling complicated objects and heap nested structures
• TERMINAL_SIZE() added
• adding HANNING() and GAUSSIAN_FUNCTION() (thanks J. Tappin)
• SIGMA() added
• fixes in SIMPLEX(), PTRARR() and IDLNETURL
• correction dim. in POLYWARP() (thanks Igor Ch.)
• reworked help,/obj and help,/path_cache and help,/sys
• complex inputs in READS
• removing EditLine and PSlib from dependencies
• fixed OpenMP-related bug in MAX/MIN
• revised test_hash() and test_list()
• added test_widgets()
• numerous small fixes (CMake, typos, cleanups, compilation issues...)
• Windows compilation issues
• numerous updates in plotting and widget infrastructure
• updated manpage

v1.0.0-rc.2

• fixed linestyle +psym problem when NaN in data (#678)
• fixes for path separators on Windows
• cleanup of map projections resource files (much reduced tarball size)
• cleanup of GSHHS leftovers (GDL no longer depends on GSHHS)
• clarification of projection resource licensing information
• fix for SMOOTH() making it work correctly with complex arrays (#685)
• fix for SMOOTH() curing segfault condition with large arrays (#682)
• fix for POLYFILL and log axes (#674)
• fixing build failures on s390x (#676)
• fix for segmentation fault on total(,/double) (#680)
• removed confusing message about graphic magick compiled only with 8 BPP
• improved management of input to RANDOM( ... poisson=)
• fixed WRITE_JPEG so it creates 2-dim jpg by default instead of 3-dim (#710)
• fix in HELP so it does not free memory twice when used like help,/obj,out=xxx
• corrected behaviour of '...' in string truncation in HELP
• fixed OBJ_CLASS so it does not include structures in the list of objects (#173)
• added "compile_opt idl2, hidden" to numerous GDL-written library routines
• VALUE_LOCATE: speedup + better error message
• XMANAGER: many new features supported
• improved IDL compatibility in the idlneturl class
• added FILE_CHMOD
• improvements in PRT_VALID and OBJ_VALID (e.g. correct support of /CAST)
• new implementation of WordExp for use in path expansion
• better integration of !NULL type (#589)
• added WIDGET_INFO(/display) and WIDGET_INFO(/map)
• SPAWN modified to allow immediate return when background job
• multiple choice support in list widget
• better HELP,/HEAP
• FILE_MOVE improvements
• FSTAT() improvements
• fixed HDF_VD_READ segfault issue (#664)
• fixed FindXdr.cmake
• support for SORT()-ing pointers (#698)
• STRUCT_ASSIGN fixed so it assigns correctly parts of structs that were themselves structs
• some compiler warnings eliminated
• fixed crash in REPLICATE_INPLACE (#574)

v1.0.0-rc.1

News:

• entirely rewritten mapping support (thank to Gilles Duvert)
• major improvements on the Windows compatibility (thanks to Greg Jung and Gilles Duvert)
• shift to Python 3 (thanks to Orion Poplawski and Ole Streicher)
• added READ_CVS, SCOPE_VARNAME
• fixes in CONGRID, FILE_MKDIR, FX_ROOT, INTRPOLATE, LINFIT, MAKE_ARRAY, RESTORE, TAG_NAMES, ...
• numerous other fixes and performance improvements and increased test coverage

v0.9.9

For list of changes, see: https://github.com/gnudatalanguage/gdl/blob/master/NEWS#L688

Important information for packagers:

• C++11 and CMake 3 are now required
• OpenMP required by default
• dropped support for OLDPLPLOT
• support for using eccodes instead of grib_api