The Union in Chains event left the Union decimated, with players being pulled away to join different Guilds as the Solthecian church took over the organization. In May, the results of that event will start hitting players' tables. There's two box sets coming, one based on all the characters that had been Union but are now gone, and another on the Chruch's new leadership role in the Union.
They don't appear to be up for pre-order yet. But don't worry, I'll let you know when you can put your name down on the list.