  A new version of the Monte Carlo program HERWIG (version 6.1) is now
available. This note gives brief details of the new features relative to the
previous version (5.9). A fully updated manual will follow shortly. The main
new features are: supersymmetric processes (both R-parity conserving and
R-parity violating) in hadron-hadron collisions; the new process e+e- to 4
jets; matrix element corrections to top decay and Drell-Yan processes; new soft
underlying event options; updates to particle data tables; new LaTeX and html
printout options.
