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)
Using Chains and automation to switch keyboard setups