Sudeten is (in 3067) still controlled by the Jade Falcons and is the 'province capital' of the JF OZ. (Source: Map of the Inner Sphere 3067, BattleTech 4th Edition)
The Olivetti 'Mech factory is located on Sudeten. The factory produces two types of new (post 3060?) 'Mechs. One is the Pinion second-line Design. (Source: technical Readout 3067? entry Pinion.)
As 'province capital' Sudeten is expected to be home to extented command facilities, factories and repair facilities. (no sources, pure speculation)
The Gray Death Legion and the Sudeten Militia fought against the Jade Falcon invasion forces but had to withdraw.