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Hi Lynton, > Dear Sylwester and Russ, > thanks for the enquiry > I spent a lot of time on developing an upgraded C++ API that could > handle user-defined in a much better way. The validation process has got > somewhat stalled by a bug in the netCDF-C layer or HDF5-layer. > Russ is there any news on this? Yes, there is as of this afternoon. The bug that was holding things up appears to have been fixed with changes to netCDF-4 or HDF5. I say "or", because at this point, it's difficult to determine whether the fix was in the upgrade from HDF5 1.8.8 to 1.8.9 or the netCDF-4 upgrade from 4.1.3 to 4.2.0, but it works now with the combination netCDF-4 version 4.2.1.1 and HDF5 version 1.8.9. The details are in this Jira issue description and comments: https://www.unidata.ucar.edu/jira/browse/NCF-155 Please try compiling and linking against the new versions and verify whether you agree that the bug that was blocking release of your new version of the netCDF-4 C++ release is now fixed. I'm hoping no new bugs affecting that code have been introduced ... --Russ Russ Rew UCAR Unidata Program address@hidden http://www.unidata.ucar.edu Ticket Details =================== Ticket ID: JNH-860762 Department: Support netCDF Priority: Critical Status: Closed