RLS: 1.2.1
Tracking issue for the 1.2.1 release.

https://github.com/pandas-dev/pandas/milestone/81

Currently scheduled for January 18, 2021 (date flexible on severity of regressions)

List of open regressions: https://github.com/pandas-dev/pandas/issues?q=is%3Aopen+is%3Aissue+label%3ARegression