I don't know where you get your information, but our development didn't stop. Actually we brought out a new plugin ( the Big Blue Compressor) this year. At the moment we're working on a new framework for MAC OS 64 bit, which takes up almost all our time, but after that we'll devote some attention to the Monitor.
And hey, a lack of updates for one plugin doesn't mean the development has stopped. The Monitor is a relatively simple plugin, and has no bugs at the moment, at least as far as I know. So updates haven't been that necessary. Next 'update' will be the 64 bit version.
And yes, we're working secretly on new plugins too