Vala 0.52.9
===========
 * Various improvements and bug fixes:
  - codegen:
    + Allow boxing of non-external SimpleType structs [#1273]
    + Cast given default-value of struct with possible member initializer [#1272]
    + Clear existing length values when revisiting a slice expression [#1274]
  - vala:
    + Allow unsafe assignment of integer to enum while reporting a notice
    + Non nullable enum types are simple types [#1268]
    + Correctly replace "in" expression in pre-/postconditions of method [#1269]

 * Bindings:
  - gio-2.0: Add custom MemoryOutputStream.with_*data() wrappers [#1271]