0.13.1 is a high priority release that everyone is encouraged to update as soon as possible. PR #1842 fixed a garbage collection bug that resulted in GC running too often and in turn could have a large impact on performance for some applications.

[0.13.1] - 2017-04-22

Fixed

• Reify function references used as addressof operands correctly (PR #1857)
• Properly account for foreign objects in GC (PR #1842)
• Compiler crash when using the addressof operator on a function with an incorrect number of type arguments

Added

• Iftype conditions (RFC 26) (PR #1855)