BUG: DataFrame.update doesn't preserve dtypes#55558

Closed

MichaelTiemannOSC wants to merge 4 commits intopandas-dev:mainfrom

MichaelTiemannOSC:issue_55509

Commits on Oct 17, 2023

Fix for issue #55509
MichaelTiemannOSC
committed

Commits on Oct 18, 2023