Release Notes: This release disables boustrophedonic ordering in second order packing. It fixes the Python bug in setting keys of type "double". New parameters have been added to the parameter database and to the definition files. Unwanted padding between messages when converting some fields from second order packing has been fixed. Improved thread safety in relation to the creation of an index, creating a new grib_handle, or indexing different files. grib_dump has been fixed not to display zeros when all values were missing. Various minor bugs have been ffixed.