System Information
Operating system: Windows-10-10.0.18362 64 Bits
Graphics card: GeForce GTX 1060 6GB/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 436.15
Blender Version
Broken: version:
2.81 (sub 16), branch: master, commit date: 2019-11-20 14:27, hash: rB26bd5ebd42e3
2.82 (sub 1), branch: master, commit date: 2019-11-24 14:51, hash: rB249f4423ee1c
Worked: 2.80
Short description of error
Transparent BSDF (with #FFFFFF color) isn't fully transparent when the object is inside volumetrics and the Blend mode is set to 'Alpha Blend'
This was working in 2.80 without problems.
Screenshot of 2.81 or 2.82:
Screenshot of 2.80:
Here is the blend file:
Exact steps for others to reproduce the error
Compare the lookdev view or render view of the attached file in 2.80 and 2.81

