id,node_id,number,title,user,state,locked,assignee,milestone,comments,created_at,updated_at,closed_at,author_association,active_lock_reason,draft,pull_request,body,reactions,performed_via_github_app,state_reason,repo,type
1275993190,PR_kwDOAMm_X8455vDs,6706,Add `Dataset.dtypes` property,43316012,closed,0,,,7,2022-06-19T08:40:25Z,2022-06-26T08:08:21Z,2022-06-22T16:01:45Z,COLLABORATOR,,0,pydata/xarray/pulls/6706,"- [x] Closes #6714
- [x] Tests added
- [x] User visible changes (including notable bug fixes) are documented in `whats-new.rst`
- [x] New functions/methods are listed in `api.rst`

Currently returns a Mapping from variable names to dtypes for ALL variables in the Dataset, including coordinates.
Possibly better to only return data_vars dtypes? Give me your thoughts on that, it is easy to change.
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1243123406,PR_kwDOAMm_X844MH4t,6624,CFTime support for polyval,43316012,closed,0,,,7,2022-05-20T13:04:46Z,2022-06-04T10:18:14Z,2022-05-31T17:16:04Z,COLLABORATOR,,0,pydata/xarray/pulls/6624,"<!-- Feel free to remove check-list items aren't relevant to your change -->

- [x] Closes #6623
- [x] Tests added
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