Annonced in the 2.2.0 release. Chained assignments will also no longer work. There is a migration guide [0]. 0: https://pandas.pydata.org/pandas-docs/version/

Annonced in the 2.2.0 release. Chained assignments will also no longer work. There is a migration guide [0]. 0: https://pandas.pydata.org/pandas-docs/version/2.2.0/user_guide/copy_on_write.html#copy-on-write-migration-guide https://pandas.pydata.org/pandas-docs/version/2.2.0/user_gui...