Backport PR #43634 on branch 1.3.x (PERF: groupby with string dtype)"#43724

Merged

simonjayhawkins merged 2 commits intopandas-dev:1.3.xfrom

debnathshoham:auto-backport-of-pr-43634-on-1.3.x

Sep 24, 2021

Commits on Sep 23, 2021

Backport PR #43634: PERF: groupby with string dtype
debnathshoham
committed

Commits on Sep 24, 2021

added StringArray ops like other EAs
debnathshoham
committed