The first Revit builds (or Web Updates are they are calling them) are now available from Autodesk for the 2009 products, currently for English versions. Other language versions of Web Update 1 will be available in the coming weeks. The builds can be found here...
New Revit Architecture Build (build number 20080602_1900)
New Revit MEP Build
New Revit Structure Build
Here is the list of Web Updates for Revit Architecture according to the downloadable pdf...
Improvements made in Web Update 1 build (20080602_1900):
Note: It is highly recommended that you reinstall the content when installing Web Update 1 due to changes in the rendering library and other pieces of content.
Improves performance when modifying customer visibility settings for linked files, when many volumes exist that are bound by the linked file.
Improves the plotting consistency of certain components that are placed over hatched elements in coordination and architectural discipline views.
Rooms will now export Revit internal parameters for IFC.
When rendering, the progress bar reports correct percent complete.
“Intensity” on Decal Types dialog was changed to “Brightness” to match Help documentation.
Spot elevation with Display Elevation = Top & Bottom Elevation will now report the correct bottom elevation for sloped elements.
In plan view with medium or fine detail level, spot elevations now report the correct top or bottom elevation of a beam that is joined to a column.
Improves stability when changing the visibility of a link in a view template.
“Downlight – Spot” light family no longer has duplicate Tilt Angle parameter.
Lights that were in a light group that was deleted are no longer controlled by the deleted light group; instead they are controlled by the Ungrouped Lights status.
Improves the ability to enter custom DPI value in the Render dialog.
Improves stability when exporting to CAD formats.
Improves stability when closing SteeringWheels.
Improves stability when adding elements to a group.
Families that contain arrayed voids will now function properly in the project.
Improves stability for users with non-English operating systems when using the Open/Save dialog.
Notes created in Revit for a DWF markup object will now propagate to the DWF after selecting publish.
Enabling daylight portals will now affect the rendered appearance.
Spotting on interior renderings with many internal light sources no longer occurs.
Improves appearance of decals using cut-outs.
Corrects “Unable to Start” error when starting the application.
Model lines now remain in the correct design option when split.
Structural columns will now have a higher priority when joined to non-bearing and shear walls.
For sweeps on an arc wall, you now have the option to change sweep returns.
Restores some structural components in SouthAsiaLibrary content bundle.
Parameter binding performance has been improved.
The JoinType method has been implemented for the LocationCurve of structural members.
Mullion LocationCurves are now accessible through the API.
External programs may now suppress VSTA startup warning messages.
The built-in parameter MATERIAL_PARAM_TRANSPARENCY now returns the correct set value.