Sourced from wrapt's changelog.

Version 1.11.0

Bugs Fixed

• When using arithmetic operations through a proxy object, checks about
  the types of arguments were not being performed correctly, which could
  result in an exception being raised to indicate that a proxy object had
  not been initialised when in fact the argument wasn't even an instance
  of a proxy object.

  Because an incorrect cast in C level code was being performed and
  an attribute in memory checked on the basis of it being a type different
  to what it actually was, technically it may have resulted in a process
  crash if the size of the object was smaller than the type being casted
  to.

• The __complex__() special method wasn't implemented and using
  complex() on a proxy object would give wrong results or fail.

• When using the C extension, if an exception was raised when using inplace
  or, ie., |=, the error condition wasn't being correctly propagated
  back which would result in an exception showing up as wrong location
  in subsequent code.

• Type of long was used instead of Py_hash_t for Python 3.3+. This
  caused compiler warnings on Windows, which depending on what locale was
  set to, would cause pip to fail when installing the package.

• If calling Class.instancemethod and passing self explicitly, the
  ability to access __name__ and __module__ on the final bound
  method were not preserved. This was due to a partial being used for
  this special case, and it doesn't preserve introspection.

• Fixed typo in the getter property of ObjectProxy for accessing
  __annotations__. Appeared that it was still working as would fall back
  to using generic __getattr__() to access attribute on wrapped object.

Features Changed

• Dropped support for Python 2.6 and 3.3.

• If copy.copy() or copy.deepcopy() is used on an instance of the
  ObjectProxy class, a NotImplementedError exception is raised, with
  a message indicating that the object proxy must implement the
  __copy__() or __deepcopy__() method. This is in place of the
  default TypeError exception with message indicating a pickle error.

• If pickle.dump() or pickle.dumps() is used on an instance of the
  ObjectProxy class, a NotImplementedError exception is raised, with

... (truncated)

• f17fef7 Merge branch 'release/1.11.0'
• 134eaab Skip missing interpreters when running tox.
• 4bcd190 Fix typo in annotations property on object proxy.
• 3db71fb Make protocol argument name match convention.
• 6a4dea6 Update that must be _reduce_ex() that is implemented by object proxy.
• 1287361 Override reduce_ex and require it be overridden as reduce alone ignor...
• c655a7b Fix AppVeyor badge link.
• 13c55fa Add default implementation of special pickle methods that raise not implement...
• 67c09ef Add default implementation of special copy methods that raise not implemented...
• 9c9ee09 Create meta lock globally.
• Additional commits viewable in compare view

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