You can't fault the team at Teenage Engineering for their support of the enigmatic OP-1. Interest still seems to be high for this quirky Scanadavian instrument, it still gets a lot of attention - the review we published a couple of years ago still regularly features in our top Youtube stats even now.
Theres a new OS update just out which adds the Sketch sequencer to the toolbox - in addition to the step sequencer, audio recorder and selection of machines and effects.
The two major new features in this free OS update (V.14167)
Available now as a free download
Revisions that turned synths into brand new machines
Developments for Korg's instrument have been slow but promising.