html_url,issue_url,id,node_id,user,created_at,updated_at,author_association,body,reactions,performed_via_github_app,issue
https://github.com/pydata/xarray/pull/3649#issuecomment-568109114,https://api.github.com/repos/pydata/xarray/issues/3649,568109114,MDEyOklzc3VlQ29tbWVudDU2ODEwOTExNA==,35968931,2019-12-20T22:21:17Z,2019-12-20T22:21:17Z,MEMBER,">Yeah this ""automatic alignment"" behaviour is everywhere so I think it makes sense for it to be the default.

Okay, in that case shall we add an option to opt-in to the stricter check by passing `fill_value=None`? With a quick note about it in the docstring for that argument?","{""total_count"": 1, ""+1"": 1, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,540601428
https://github.com/pydata/xarray/pull/3649#issuecomment-568106485,https://api.github.com/repos/pydata/xarray/issues/3649,568106485,MDEyOklzc3VlQ29tbWVudDU2ODEwNjQ4NQ==,2448579,2019-12-20T22:11:02Z,2019-12-20T22:11:02Z,MEMBER,"> Imagine if someone passes a bunch of datasets that they think form a hypercube but don't, then with the PR they would get returned a dataset with a panel of NaNs that they would not be explicitly told are there... On the other hand xarray's other combining functions (e.g. merge and concat) will just insert NaNs.

Yeah this ""automatic alignment"" behaviour is everywhere so I think it makes sense for it to be the default.","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,540601428