CDO

New features:

• New environment variable CDO_DOWNLOAD_PATH: Path where CDO stores downloads
• New environment variable CDO_ICON_GRIDS: Root directory of the ICON grids (e.g. /pool/data/ICON)
• splitsel: added support for negative skip values [Feature #9798]
• showattribute: added wildcard support
• Diff: added option maxcount=<num>: Stop after num different fields
• Select: added parameter dom (day of month, e.g. 29feb)
• Ymonstat: added support for option timestat_date

New operators:

• Yearly arithmetic: yearadd, yearsub, yearmul, yeardiv
• apply: Apply an operator on each input file
• gh2hl: Interpolate 3D geometric height to height levels
• pack: Pack data (NetCDF attribute add_offset/scale_factor)
• verifygrid: Verify grid coordinates
• addtrend: Add trend
• isosurface: Extract isosurface

Changed operators:

• intlevel3d: changed interface

Fixed bugs:

• Selbox: wrong result of grid cell area (if present) on curvilinear grids
• sellonlatbox,-180,180,-90,90 "breaks" lon_bnds [Bug #9801]
• Ensval: does not work
• intyear: doesn't work; segmentation fault
• intlevel3d: wrong result since v1.9.4 [Bug #9468]
• dv2uv, uv2dv: wrong result works only on first level since v1.9.8 [Bug #9441]
• Vertintap: process only 3D variables on hybrid sigma height coordinates with correct number of levels
• Arith: Inconsistent missing value handling in v1.9.8 [Bug #9396]