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/issues/4325#issuecomment-717572036,https://api.github.com/repos/pydata/xarray/issues/4325,717572036,MDEyOklzc3VlQ29tbWVudDcxNzU3MjAzNg==,6815844,2020-10-27T22:14:41Z,2020-10-27T22:14:41Z,MEMBER,"@mathause 
Oh, I missed this issue.
Yes, this is implemented only for count.

> the thing is that rolling itself is already quite complicated

Agreed. 
We need to clean this up.

One possible option would be to drop support of bottleneck.
This does not work for nd-rolling and if we implement the nd-nanreduce, the speed should be comparable with bottleneck.","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,675482176