APT 19.4 was released on October 26, 2011
Although this is a major release, there is no requirement to upgrade. There are several enhancements that people might find valuable if they are writing a new Phase II (such as labels for visits, and a utility for renumbering visits).
APT 19.2.1 was released on August 17th, 2011
A minor release. Most external users do not need to take this one. If you are working on a WFC3/IR Grism observation, please take this release.
APT 19.2 was released on June 2, 2011
What was new for Cycle 19 Phase II?
APT 19.0 was released on January 14, 2011
What was new for Cycle 19 Phase I?
APT 18.4 was released on October 27, 2010
Although this is a major release, most external users do not need to take this one. The most interesting enhancement is support for proper motion in Aladin and the Bright Object Tool. There is now an option to have the pointing be moved to an epoch of 6 months from now and not the epoch of the supplied coordinates.
APT 18.2.5 was released on September 30, 2010
Another minor release. Most external users do not need to take this one. But if you are doing Bright Object checking for COS please take this release.
APT 18.2.4 was released on September 9, 2010
Another minor release. Most external users do not need to take this one. But as with 18.2.3, if you are doing Bright Object checking using the GALEX data, please take this release.
APT 18.2.3 was released on August 12, 2010
A minor release. Most external users do not need to take this one. If you are doing Bright Object checking using the GALEX data, please take this release.
APT 18.2.2 was released on July 20, 2010
No users need to upgrade to this version. It corrects a problem with operational processing only.
APT 18.2.1 was released on July 12, 2010
A minor release. Most external users do not need to take this one. If you are interested in using the BOT to do persistence checking for WFC3/IR, please take this release.
APT 18.2 was released on June 4, 2010
What's new for Cycle 18 Phase II?
APT 18.0.4 was released on May 11, 2010
This release fixes an issue with processing pure parallel proposals.
APT 18.0.3 was released on March 24, 2010
This release fixes a problem with the Visit Planner that was introduced in 18.0.2. This problem made Phase II visits with tight orient constraints appear more schedulable than they are.
APT 18.0.2 was released on February 22, 2010
The only Phase I update is to include COS and WFC3 in the list of Instruments for Archival proposals.
APT 18.0.1 was released on January 13, 2010
The only change is a fix for Cycle 17 COS/G140L/1230 programs.
APT 18.0 was released on January 7, 2010
What's new for Cycle 18 Phase I?
APT 17.5 was released on November 2, 2009
This release consists mostly of infrastructure changes and a few look-and-feel changes. It is *not* necessary to take this release for submitting Multi Cycle Treasury proposals. This release also adds a beta Phase II mosaic tool. See the preview/training movie.
APT 17.4.3 was released on July 30, 2009
Release to support Multi Cycle Treasury programs. Also contains SMOV updates to positions of apertures.
APT 17.4.2 was released on June 19, 2009
Provides a workaround to a bug in the most recent Java upgrade on the Mac. Several other bug fixes.
APT 17.4.1 was released on April 16, 2009
Fixed a bug with orbit accounting.
APT 17.4 was released on April 9, 2009
Many little bug fixes.
APT 17.2.7 was released on February 2, 2009
The changes in this release may affect orbit packing for COS and ACS/WFC. You will be contacted by your PC if any rework is needed.
APT 17.2.6 was released on November 17, 2008
This release is to support the Supplemental Call for Proposal.
APT 17.2.5 was released on September 18, 2008
This switches the Target Selector to use the SIMBAD4 server. The old SIMBAD3 server will be turned off soon.
APT 17.2.4 was released on August 28, 2008
This has a fix for problems reprocessing some COS and STIS proposals in the Orbit Planner.
APT 17.2.3 was released on June 25, 2008
This has both chips displayed in Aladin when WFC3 UVIS1 or UVIS2 are the specified at the aperture.
APT 17.2.2 was released on June 17, 2008
This has the WFC3 UVIS-CENTER aperture.
APT 17.2.1 was released on June 12, 2008
This includes mostly bug fixes.
APT 17.2 was released on May 28, 2008
APT 17.0.2 was released on February 12, 2008
APT 17.0.1 was released on February 5, 2008
APT 17.0 was released on January 17, 2008