Breaking changes:
-----------------

* Support for post-build metadata (__conda_version__.txt and the like) has been removed.

Enhancements:
-------------

* use symlinks when copying to improve performance  #1867
* load setup.cfg data in load_setup_py_data  #1878
* calculate checksum and simplify cran skeleton  #1879

Bug fixes:
----------

* fix R's binary path on Windows  #1870
* remove tab completion on CLI for compatibility with conda 4.4  #1795
* reduce scope of git try/except block so that GIT_FULL_HASH is available, even if tags are not  #1873
* Fix "compiler" jinja2 looping, so that it is respected in subpackages #1874
* Fix license family comparison - case matching  #1875
* Fix inspect linkages when multiple packages contain a library  #1884
* avoid unnecessary computation of hashing  #1888
* fix python imports not being run in test phase  #1896
* fix path omission in paths.json for noarch packages  #1895