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Downloadable from our Releases page.

Warning
  • The following C API functions have been removed in this release:
    • codes_context_set_memory_proc
    • codes_context_set_persistent_memory_proc
    • codes_context_set_buffer_memory_proc
  • GRIB: Encoding a constant field now sets the binaryScaleFactor to zero. See ECC-2012


Info

Please note: There is a new webpage for the Migration to GRIB2: Migration to GRIB2
This webpage also includes a section where changes in the parameter encodings for the coming ecCodes versions are documented: Changes in the parameter encodings

New Features/Improvements

  • [ECC-2006] - Indexing: Performance degradation after reading thousands of files
  • [ECC-2012] - GRIB: Initialise binaryScaleFactor=0 when encoding constant fields
    Note this change of behaviour: Encoding a constant GRIB field now sets the binaryScaleFactor to zero

  • [ECC-1992] - GRIB2: Concept array mapping
  • [ECC-2004] - MARS: Add new class 'lr' for WMO Lead Centre for Global Climate Re-Analyses
  • [ECC-1952] - C API: Deprecate functions codes_context_set_memory_proc, codes_context_set_persistent_memory_proc and codes_context_set_buffer_memory_proc
  • [ECC-1963] - GRIB2: Replacement of product definition template 4.44 with 4.50
  • [ECC-1983] - GRIB2: chem parameters from FT2024-2
  • [ECC-1984] - GRIB2: Add ERA6 pseudocentre parameters to ERA pseudocentre
  • [ECC-1985] - GRIB2: Unify long names for 172XXX parameters
  • [ECC-1989] - GRIB2: New parameter encodings from WMO FT2024-2
  • [ECC-1990] - GRIB2: Additional CAMS paramIds
  • [ECC-1991] - GRIB2: stepType for typeOfStatisticalProcessing index processing
  • [ECC-1993] - GRIB2: Time-mean parameters for CERISE project
  • [ECC-1997] - GRIB2: Parameters for height of theta levels
  • [ECC-1998] - GRIB: correct aerosol sizes in long names
  • [ECC-2001] - GRIB2: New parameter encoding for sea water depth
  • [ECC-2003] - GRIB2: covariance parameters in ERA6
  • [ECC-2007] - GRIB2: abstract level for ERA6
  • [ECC-2010] - GRIB2: activate the use of model in the mars namespace for class=AI and ML
  • [ECC-2023] - GRIB2: Remove 235152 from pseudocentre ERA
  • [ECC-1995] - GRIB2: Remove rule re tablesVersion=255
  • [ECC-1982] - Expression hierarchy: Use C++ inheritance mechanism instead of hand-crafted virtual tables
  • [ECC-1995] - GRIB2: Remove rule re tablesVersion=255[ECC-1996] - Dumper hierarchy: Use C++ inheritance mechanism instead of hand-crafted virtual tables[ECC-2006] - Indexing: Performance degradation after reading thousands of files
  • [ECC-2008] - Action hierarchy: Use C++ inheritance mechanism instead of hand-crafted virtual tables
  • [ECC-2018] - grib_set: Option "-p" does not print requested keys
  • [ECC-2021] - GRIB2: CCSDS packing should not be applied to spectral fields
  • [ECC-2027] - GRIB2: Rework the modelName/modelVersion concepts in the context of AIFS

...