Stretching and bending stiffness of cloth does not work as expected from 2019.2.0a7. Refer to the attached videos.

Steps to reproduce:
1) Create new poject.
2) Import attached unity package "Cloth".
3) Open Cloth scene > Hit Play.

Actual result: Stretching and bending stiffness of cloth gets clenched and does not work as expected.
Expected result: Stretching and bending stiffness of cloth works as expected.

Occurring on: 2019.3.0a6, 2019.2.0b6, 2019.2.0a7
Works fine on: 2019.2.0a6

Environment: Both Windows and Mac.