Netcdf-Java library version 4.2.27

Netcdf-Java library version 4.2.27 is now released at:

https://www.unidata.ucar.edu/downloads/netcdf/netcdf-java-4/index.jsp

This is mostly a bug fix and supporting changes for TDS release 4.2.9. You are encouraged to use it for all things netCDF Java-ish.

All new development is now happening on version 4.3, for which there will be an alpha release very soon.