Operating system: Windows-7-6.1.7601-SP1 64 Bits
Graphics card: GeForce GTX 550 Ti/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 376.51
Broken: version: 2.82 (sub 1), branch: master, commit date: 2019-10-17 11:17, hash: rB77e38160fe2a
Worked: (optional) Blender branch: master, commit date: 2019-09-25 20:42, hash: rBee4707544904 " This is my backup, it can be working on recent build as well."
Short description of error
Animation: Breakdown with shift+E is broken
Exact steps for others to reproduce the error
Open the blend file and try to insert a breakdown key with shift+E, in my side the object jumps back to the earlier key. Note that the animation is on constant interpolation.