NCSA Mosaic Version Information

The following versions of NCSA Mosaic are either released or under development:

Old versions.: If you are running an old version of Mosaic, you should upgrade.
Version 1.0: Baseline supported NCSA Mosaic release.
Version 1.1: Now available; maintenance release.

A canonical feature list is here.

Future Versions

The current development plan for NCSA Mosaic looks like this:

Versions 1.0 up to but not including 2.0 will be full releases of the baselevel NCSA Mosaic client, for which support is offered.
Versions 2.0 and above will be ...
Versions 2.0 and above will be reengineered releases, written in C++ with (over time) full multimedia and asynchronous collaboration capabilities.

This is not set in stone, so don't hold us to it.