I added this mod to my server and its a complete lifesaver for travel and one block spaces when working with redstone. However I found that when logging in it removes the 'wings' from the winged mod. I'm using Fabric and enjoy the convenience of being able to glide down as well as not having to use rockets to launch into the air. Do we know what causes this?

What version of Minecraft, Identity, and Winged mod were you using? Even better, could you post the latest.log from your testing?

We've got Minecraft 1.16.3, Identity 1.10.0 Beta and Winged 1.16.2-1.4.0. Additionally, here's the log:
latest.log