commits: 3cbd21aa8fd3a57c0dd324f2a276d83829518331

This data as json

sha	message	author_date	committer_date	raw_author	raw_committer	repo	author	committer
3cbd21aa8fd3a57c0dd324f2a276d83829518331	add a combine_attrs option to open_mfdataset (#4971) * expose combine_attrs to open_mfdataset * add tests for passing combine_attrs to open_mfdataset * don't override the main dataset attrs * switch the default to "override" which seems closer to current behavior * update whats-new.rst [skip-ci]	2021-04-03T15:43:13Z	2021-04-03T15:43:13Z	458e78ccf9cedef997b218d835348005d70e25c2	cd792325681cbad9f663f2879d8b69f1edbb678f	13221727	14808389	19864447