TABLES v2.3 RELEASE SUMMARY The primary changes incorporated in this release are: 1) New task THSELECT (based on HSELECT). 2) CFITSIO updated to v2.1 The Science Software Group is engaged in an effort to move to doing most of its software development with Python. The next release of STSDAS/TABLES (v3.0) will have new tasks that will require our new command language for IRAF called PyRAF (see pyraf.stsci.edu). A beta version of PyRAF is available, and we expect to release the first version late this summer. New packages or tasks: ttools.thselect Packages or tasks that have had minor enhancements or bug fixes include: fitsio.catfits .strfits tbplot ttools.tcopy .thedit .trebin .tmatch .tlinear .tstat .tprint Changes to libraries: gilib gflib fitsio tbtables tbtables.cfitsio Parameter files that have changed (new parameters or new default values, excluding parameters indicating version number changes): ttools/tprint.par - 'pwidth' upper limit removed /tdump.par - 'pwidth' default and lower limit changed In addition the following packages have added parameter files ttools/thselect.par - a new task