The ncdump utility now handles the NetCDF-4 model fully. HDF5 1.8.0 support has been improved. Parallel I/O bugs have been fixed, and new parallel I/O tests added. A benchmarking program has been added. Enhancements have been made to the F77 and F90 APIs to support NetCDF-4. There are additions to the F77 and F90 user guides. There are bugfixes for variables greater than 2 GB. Tests have been added. There are numerous other bugfixes. Portability has been improved.