System Information
Operating system: Windows-10-10.0.18362-SP0 64 Bits
Graphics card: GeForce GTX TITAN X/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 451.67

Blender Version
Broken: version: 2.83.3, branch: master, commit date: 2020-07-22 06:01, hash: rB353e5bd7493e
Worked: (newest version of Blender that worked as expected)

Short description of error
[missing option "Add To Favorites" in curve context menu on "set handle type" and "set spline type" all other are ok ]

Exact steps for others to reproduce the error
go to edit mode of curve.
left click
go to set spline type
left click and try to add to quick favorites.

[Based on the default startup or an attached .blend file (as simple as possible)]