1.5.5 is no longer beta. If you don’t update to 1.5.5 you will find these bugs:
Main OS 1.5.5
Fixed bug: with no external clock present, arp beat sync on, arp does not quantize
Fixed bug: record on/off NRPN not being responded to
Main OS 1.4.9
Fixed bug: LED consistency improvements
Main OS 1.4.1
Fixed bug: Correct brightness inconsistencies with small rectangular LEDs
Fixed bug: Additional Polychain improvement
Main OS 1.3.7
Feature: New Global Param: Arp Beat Sync On/Off. Global row 2 number 9
Feature: MIDI Out for the Arp/Sequencer - Param Xmit Global options CAS (CC + MIDI Out for arp/seq) and nAS (NRPN + MIDI Out for arp/seq)
Feature: Sequencer now transposes from keyboard/MIDI notes on UNISON patches
Fixed bug: Improved Polychain implementation and fixed bugs
Fixed bug: Various small bug fixes
If you do update, you will find a solid OS with two remaining bugs to fix:
Main OS 1.5.8
Fixed bug: Improvements to ARP BEAT SYNC operation
Fixed bug: CC5 sent from portamento mode parameter. Now sent from RATE parameter
Congratulations on your new beautiful synth!