I can confirm that 0.23.1 is working for me.
Add-on version: 0.23.1
You are running the latest version of this add-on.
System: Home Assistant OS 6.0 (aarch64 / raspberrypi4-64)
Home Assistant Core: 2021.6.4
Home Assistant Supervisor: 2021.06.0
Didn’t see anything relating to VLANs, for those who are interested in that.