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
180432104,MDExOlB1bGxSZXF1ZXN0MTgwNDMyMTA0,2045,closed,0,Implement setncattr_string for attributes that are lists of strings,13837821," - [X] Closes #2044 
 - [X] Tests added (for all bug fixes or enhancements)
 - [x] Tests passed (for all non-documentation changes)
 - [x] Fully documented, including `whats-new.rst` for all changes and `api.rst` for new API (remove if this change should not be visible to users, e.g., if it is an internal clean-up, or if this is part of a larger project that will be documented later)
 ",2018-04-09T21:26:13Z,2018-04-17T15:39:36Z,2018-04-17T15:39:34Z,2018-04-17T15:39:34Z,68090bbfc6ce3ea72f8166375441d31f830de1ea,,,0,94e29349e938247b1ad35b41054c9c3d64cc5cab,a0bdbfbe5e2333d150930807e3c31f33ab455d26,CONTRIBUTOR,,13221727,https://github.com/pydata/xarray/pull/2045,
270258637,MDExOlB1bGxSZXF1ZXN0MjcwMjU4NjM3,2892,closed,0,Return correct count for scalar datetime64 arrays,13837821,"BUG: Fix #2770 by changing ~ to np.logical_not()
TST: Add test for scalar datetime64 value
DOC: Add to whats-new.rst",2019-04-13T22:38:53Z,2019-04-14T00:52:04Z,2019-04-14T00:51:59Z,2019-04-14T00:51:59Z,fad6d624f0716657f903f5955f16422d97275407,,,0,803d07d1652e3831c450aec43230eceeaa7c56c2,33540590915c31cd5af583412d155d7fa8ea8081,CONTRIBUTOR,,13221727,https://github.com/pydata/xarray/pull/2892,
271557019,MDExOlB1bGxSZXF1ZXN0MjcxNTU3MDE5,2906,closed,0,Partial fix for #2841 to improve formatting.,13837821,"Updates formatting to use .format() instead of % operator. Changed all instances of % to .format() and added test for using tuple as key, which errored using % operator.",2019-04-18T05:45:56Z,2019-04-19T16:53:50Z,2019-04-19T16:53:50Z,2019-04-19T16:53:50Z,c8251e3a8db110f5c98986d12ba0c6374e12446e,,,0,a6358e86f0bd7a28fecd66de7068942fa1c948bd,baf81b42b33bd4e6ffab94722a021d87b79931d7,CONTRIBUTOR,,13221727,https://github.com/pydata/xarray/pull/2906,
273368872,MDExOlB1bGxSZXF1ZXN0MjczMzY4ODcy,2917,closed,0,Implement load_dataset() and load_dataarray(),13837821," - [x] Closes #2887
 - [x] Tests added
 - [x] Fully documented, including `whats-new.rst`

Implement load_dataset() and load_dataarray()

BUG: Fixes #2887 by adding @shoyer solution for load_dataset and load_dataarray, wrappers around open_dataset and open_dataarray which open, load, and close the file and return the Dataset/DataArray
TST: Add tests for sequentially opening and writing to files using new functions
DOC: Add to whats-new.rst. Also a tiny change to the open_dataset docstring",2019-04-25T03:59:19Z,2019-06-06T12:43:37Z,2019-05-16T15:28:30Z,2019-05-16T15:28:30Z,bd78b7f1f46a0fb0a0b0f2d4f4bdbacba55be93d,,,0,cf993618fd9d051f6a87592177a61da44b0f7442,4e778f0421a31f26b06e504271e122a9bd0ff1a3,CONTRIBUTOR,,13221727,https://github.com/pydata/xarray/pull/2917,
328513040,MDExOlB1bGxSZXF1ZXN0MzI4NTEzMDQw,3405,closed,0,Fix and add test for groupby_bins() isnan TypeError.,13837821,"<!-- Feel free to remove check-list items aren't relevant to your change -->

 - [x] Closes #3404
 - [x] Tests added
 - [x] Passes `black . && mypy . && flake8`

Testing could be improved, but as-is it would fix the same issue from happening again.
",2019-10-15T23:59:57Z,2019-10-17T21:34:40Z,2019-10-17T21:13:45Z,2019-10-17T21:13:45Z,0f7ab0e909d9b6272f734a0b6fa4318e9522d3a2,,,0,99fac7fb45762119ed5a113b0357cc6f0e5e7b87,3f9069ba376afa35c0ca83b09a6126dd24cb8127,CONTRIBUTOR,,13221727,https://github.com/pydata/xarray/pull/3405,
463567836,MDExOlB1bGxSZXF1ZXN0NDYzNTY3ODM2,4314,closed,0,Recreate @gajomi's #2070 to keep attrs when calling astype(),13837821,"<!-- Feel free to remove check-list items aren't relevant to your change -->

This is a do-over of @gajomi's #2070 with minimal additional tests to preserve attrs on Datasets as well as DataArrays.

 - [x] Closes #2049, closes #2070
 - [x] Tests added
 - [x] Passes `isort . && black . && mypy . && flake8`
 - [x] User visible changes (including notable bug fixes) are documented in `whats-new.rst`
",2020-08-05T18:30:58Z,2020-08-19T20:34:35Z,2020-08-19T20:34:35Z,2020-08-19T20:34:34Z,e05fddea852d08fc0845f954b79deb9e9f9ff883,,,0,0c517c0ad80fd113d617d5b0021eaa75d2bfe80d,d9ebcafaddf0bb80052d30f43ca5ea18a5c7229f,CONTRIBUTOR,,13221727,https://github.com/pydata/xarray/pull/4314,