Release Notes

Pathfinder 2011.1.0923

September 23, 2011
This release fixes a bug that prevented the 3D results viewer from launching in some locales. Changes since Pathfinder 2011.1.0921: Fixed a bug that would cause the 3D results to crash when invoked with a -locale argument that was unknown to the wxWidgets locale system.  Read More...

Pathfinder 2011.1.0921

September 21, 2011
This release includes several updates and bug fixes for Pathfinder 2011. Changes since Pathfinder 2011.0.0711: Fixed a bug related in the string-pulling algorithm that could cause simulations to hang. For supported international locales, the main user interface and 3D results will now automatically detect and load locale-appropriate text. The floor extraction tool now uses a “gap tolerance” which is ... Read More...

Pathfinder 2011.0.0711

July 11, 2011
This is the official release of Pathfinder 2011. This version of Pathfinder adds support for elevators and behavior scripting, runs┬áthe updated solver in parallel, and adds a new room-level path planning system to improve local wayfinding. The users guide and example problems have been updated and can be found on the Pathfinder Resources page. Thank you very ... Read More...

Pathfinder 2011.0.0614 (Beta)

June 14, 2011
This release is an update to the Pathfinder 2011 Beta. This version adds elevator support.  Read More...

Pathfinder 2011.0.0420 (Beta)

April 20, 2011
This release is an update to the Pathfinder 2011 Beta. This version introduces movement/waypoint scripting (behaviors) and parallel processing. This version also includes additional 3D models including several casual models and a firefighter model.  Read More...

Pathfinder 2011.0.0215 (Beta)

February 15, 2011
This release is an update to the Pathfinder 2011 Beta. This version includes changes that improve local door selection in SFPE mode. Now, occupants estimate queue sizes rather than sample density along proposed local door routes. This queue size estimate is now used in steering mode simulations as well.  Read More...

Pathfinder 2011.0.0210 (Beta)

February 10, 2011

Pathfinder 2011 is now available for beta testing. This version includes our new Locally Quickest path selection algorithm and an improved exit specification model. This version has not been run against our V&V test set and is not recommended for "real world" use.


Pathfinder 2009.2.1019

October 19, 2009

This is an update release for Pathfinder 2009.


Pathfinder 2009.1.0417

April 17, 2009

Pathfinder first commercial release.

Thank you very much to our beta testers who helped identify the issues resolved below.

This release includes the following improvements over the previous release:


Pathfinder 2009.1.0310 RC3

March 10, 2009
This release fixes a few additional issues related to “entanglements” between the Pathfinder and PyroSim installers. Duplicate GUIDs were preventing some installed resources from being removed when uninstalling – if PyroSim had also been installed on the system. Now, when uninstalling, Start Menu items will be correctly removed. Also, videos can now be recorded ... Read More...