This is a temporary band-aid for some headsets not working in squad for talking, specifically some wireless headsets or headsets advertised for consoles but also working on PC (Xbox One Turtle Beach headsets)
1. Download and Install VB-Cable here: https://www.vb-audio.com/Cable/
2. Set your VB Cable as your new default recording device.
3. Go into the properties of your headset and enable listening, set the VB-Cable as the listening device and save.