Na stránce Download najdete odkaz na aktualizaci Revit 8.1. Obsahuje tyto změny:

Fixed a bug that caused a crash after changing a type parameter followed by an instance parameter.
Adds the Revit icon to the Windows Add/Remove Programs tool.
Corrects a problem that prevented some installs when using Windows 2000 OS.
fix that allows for less memory usage
Performance improvements or save to central
fixed a problem with lining up DWG files in Revit if they have far away origin
fixed issues during rotation of roofs
fixed crashes provoked by the offset command
fixed crash provoked by editing Color Fill Scheme settings
fixed a problem when that made ACAD'a Batch Plot Utility not work when Revit was uninstalled
fixed the issue that select all mullions on curtain wall provoked crashes
fixed a response lag when creating Ref. plane
fixed a problem with Plan region improperly exposing Structure elements in link file
fixed an error in German, Italian, and French localized versions that prevented viewing parts of the Help file
Improves install performance for certain aspects of German, Italian, and French localized versions
Fixes a problem that caused the incorrect default template to be loaded in some localized Revit versions.