On 9/17/10, John Culleton wrote:
> Version 0.48.0 won't export tiff file format. This format will accept
> both vector and bitmap objects.  Is tiff output in the plans somewhere?

Yes, the plan was to have it by now :)

There was a failed Google Summer of Code 2010 project to rework
saving/exporting and add various additional file formats to the
current Export Bitmap dialog.

Will it be implemented? Eventually. When? When someone volunteers.