SAOImage DS9 Version 5 New FeaturesVersion 5.2
Windows native printing
The windows port now support native printing.
User configurable Button Bar
The user may now configure the button bar using the preferences dialog box. All menu items are now available as a button.
Catalog Enhancements
Catalogs can now be edited. Users may manipulate the catalog regions on the image or edit rows and columns within the dialog box. Also, catalogs now are tied to the frame in which it was created, allowing multiple copies of the same catalog, one per frame.
GUI Enhancements
Frames can now be rearranged in order using the Frame menu.
Version 5.1
Compressed FITS Support
DS9 supports compressed FITS images using RICE, HCOMPRESS, and GZIP compression.
Version 5.0
MacOSX Aqua Support
DS9 has been ported to MacOSX Aqua and is an universal application which no longer requires X11.
For more detailed information, Please see Release Notes