Dash Electrum 3.3.8.6 released:

• PrivateSend: allow start mixing before llmq/protx ready,
  stop mixing only if keep amount is available on ps balance
• Enhance "Detect Tor proxy on wallet startup" option behaviour/UI
• DIP3 masternodes: support collateral in ProRegTx output (p2sh addresses
  support), other fixes
• Remove legacy masternodes commands from commands.py
• Add UI to handle Other PS coins
• Add separate ps_keystore for PrivateSend operation
• Other fixes

https://www.dash.org/downloads/