ITT VIS released the IDL 8.0.1 patch this afternoon. From the press release:

> A patch release, IDL 8.0.1, is now available. This is a planned
> release to follow up the major changes that were introduced in IDL 8.
> It contains over 100 bug fixes plus 5 new features:
>
> 1. arrow function,
> 2. MAPGRID BOX_AXES property,
> 3. Multiple IDL graphics can now be saved to a single PDF file,
> 4. New graphics and object graphics now allow for thicknesses < 1.0 (0 is a thin hairline), > 5. WRITE_PNG now allows the horizontal or vertical resolution to be specified

For installation instructions, see [Bill Okubo's post to comp.lang.idl-pvwave](http://groups.google.com/group/comp.lang.idl-pvwave/browse_thread/thread/efa8076646842d95#).