id,node_id,number,state,locked,title,user,body,created_at,updated_at,closed_at,merged_at,merge_commit_sha,assignee,milestone,draft,head,base,author_association,auto_merge,repo,url,merged_by
341894465,MDExOlB1bGxSZXF1ZXN0MzQxODk0NDY1,3545,closed,0,Add defaults during concat 508,775186,"
 - [x] Closes #508 
 - [x] Tests added
 - [x] Passes `black . && mypy . && flake8`
 - [x] Fully documented, including `whats-new.rst` for all changes and `api.rst` for new API

Contined on issue #508 by removing exception when concat two datasets with disjoint variables and instead add the missing variable with np.nan.
",2019-11-17T20:47:07Z,2023-01-20T16:04:28Z,2023-01-20T16:04:28Z,,4ba291a4b79c88cac5986f417d78513f98784303,,,0,03f9b3b85aee039f47dd693322492ab09f57fb73,d1e4164f3961d7bbb3eb79037e96cae14f7182f8,CONTRIBUTOR,,13221727,https://github.com/pydata/xarray/pull/3545,