IDV 2.9 update version 2 (2.9u2) is available for download at: https://www.unidata.ucar.edu/downloads/idv/
New features since the 2.8u1 release include a new Java version; new netCDF-Java version; smoothing of grids; capture time height wind profiler images; new grid diagnostics; GRIB indexing; CDM profiler data type; a fix Java 3D installation in Mac OS-X installer; and we removed a dependency on Java 3D 1.5.2 that was added in the 2.9u1 release. For further information, see the release notes.