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Version 5.0.3 of the River Analysis System (HEC-RAS) is now available. This Version supersedes Version 5.0.2 and 5.0.1, and all previous versions. Several new simulation features have been added to the software since that time. Version 5.0.3 of HEC-RAS includes the following new features:
  1. Culvert Inlet/Outlet control changes
  2. Lateral Structures Connected to 2D Flow Areas
  3. RAS Mapper - Flow and Volume Time Series Output
  4. RAS Mapper - Maxi Velocity Description
  5. RAS Mapper - Profile point moving and tick marks
  6. RAS Mapper - Legend
  7. RAS Mapper - Describe sloping/hybrid rendering modes
Other minor enhancements were also added. The development team has also continued careful and systematic testing of the software since the last release. The results of that testing in combination with reports from users has allowed the identification and repair of various problems. Some minor problems that did not affect results but caused problems in the software interface have been repaired without being specifically documented. For more information on What's New and Bug's fixed from the last version, see the HEC-RAS 5.0.3 Release Notes

HEC-RAS 5.0.3 Release Notes (PDF format)