Bryce History as per Wikipedia: en.wikipedia.org/wiki/Bryce_(software)

"The original Bryce software arose from work with fractal geometry to create realistic computer images of mountain ranges and coastlines. An initial set of fractal based programs were developed by Ken Musgrave (who later created MojoWorld) a student of Benoît Mandelbrot, and extended by Eric Wenger. Wenger later met and worked with software artist Kai Krause to design a basic user interface. The first commercial version, Bryce 1.0, appeared in 1994 for the Macintosh.

Bryce 2.0, shipped in 1996, included much beyond the original notion of creating a realistic mountain range. These included independent light sources, complex atmospheric effects,  The addition of primitive forms with Boolean methods to combine them, and a revamped Texture Editor. Bryce 2.0 was also ported to the Windows platform, although the first stable version, 2.1, was not released until 1997.

The ability to animate a scene was added (in a stable form) with the cross-platform Bryce 3D (version 3.1) in 1997. A "camera object" unseen in the final image acted as the observer. The camera can be held in one place for a single image, or sent on a trajectory with images being rendered at many locations. The collection of images created along the camera's trajectory are combined to create a realistic animation simulating a journey through a dynamic world.

In 1999 Bryce 4.0 was released with major improvements in the handling of atmospheres and skies, textures and also in the import/export of objects.  In 2000 Bryce was purchased by Corel Corporation. Corel released version 5 of Bryce in 2001, which included several new features, like Tree Lab and metaballs.  Soon followed a patch to version 5.01, which fixed some bugs and added a few undocumented features. Unfortunately, that was all Corel did with Bryce, leaving it on shelves and ignoring the requests for new features. To the growing consternation of its users, Bryce was apparently dead.

However, in 2004 the software was sold again, to DAZ 3D.

In 2005, DAZ finally released Bryce 5.5 which included the DAZ|Studio Character plugin. This integration between DAZ's application for the manipulation of 3D models, DAZ|Studio, and Bryce allowed users to import content from Studio and Poser, complete with all materials including transparencies, directly into Bryce thus making it easier to have human figures in Bryce scenes.

In October 2006, DAZ released Bryce 6.0 and has released an update (6.1) this includes a Mac Intel compatible update. New features include animation import, support for dual-processor systems as well as hyper-threading, random replicate tool, advanced terrain editing, HDRI support and other tweaks. The interface remained largely the same, but with a green tint to it, and different buttons in the create palette.

In June 2007, DAZ re-released Bryce 5.5 as a freeware.

In Summer 2009, DAZ released version 3 of DAZ Studio. This version seems to break Bryce 6.1."