You can check current version by holding [1] and [2], while powering your device.

Features:

• Fixed – The update resolves the sticking notes issue (where you’ll press a note and it will remain playing even when you are not holding the key anymore)
• Fixed – Bugs from former revisions
• Improved – Midi communication with sysex
• Improved – Operation system stability.Note:Eprom socket is located at IC38

Note:

• Fully verified before shipping and professionally packaged in anti-static material.
• If you have any questions, please reach out to me and I will gladly help you. 🙂