3.27.5 - 2018-03-01
-------------------

* Re-revert transfer-none boxed copy changes (:mr:`23`). Now with more fixes
  and tests. :mr:`24` (:user:`Mathieu Duponchelle <mathieudu>`)
* Add caching for boxed type lookup and try to avoid the import lock. :mr:`13`
  (:user:`Mikhail Fludkov <fludkov.me>`)