Hi Tim, sorry for the delay, I must have missed your comment. No formal updates on certification — we went to the interoperability event in Seul back in November and passed all tests. We also added these and more tests to our github repo. However we're still not formally certified as we'd have to pay the certification fee, but we don't want to commit to that until our Kickstarter is completely over, i.e. Solo Tap shipped to everyone.