Documentation for r5990[3567].
diff --git a/Doc/library/inspect.rst b/Doc/library/inspect.rst
index c1f0f00..7893b69 100644
--- a/Doc/library/inspect.rst
+++ b/Doc/library/inspect.rst
@@ -214,6 +214,10 @@
    defined in the :mod:`imp` module; see the documentation for that module for
    more information on module types.
 
+   .. versionchanged:: 2.6
+      Returns a :term:`named tuple` ``ModuleInfo(name, suffix, mode,
+      module_type)``.
+
 
 .. function:: getmodulename(path)
 
@@ -405,6 +409,10 @@
    default argument values or None if there are no default arguments; if this tuple
    has *n* elements, they correspond to the last *n* elements listed in *args*.
 
+   .. versionchanged:: 2.6
+      Returns a :term:`named tuple` ``ArgSpec(args, varargs, keywords,
+      defaults)``.
+
 
 .. function:: getargvalues(frame)
 
@@ -414,6 +422,10 @@
    names of the ``*`` and ``**`` arguments or ``None``. *locals* is the locals
    dictionary of the given frame.
 
+   .. versionchanged:: 2.6
+      Returns a :term:`named tuple` ``ArgInfo(args, varargs, keywords,
+      locals)``.
+
 
 .. function:: formatargspec(args[, varargs, varkw, defaults, formatarg, formatvarargs, formatvarkw, formatvalue, join])
 
@@ -479,6 +491,10 @@
    Get information about a frame or traceback object.  A 5-tuple is returned, the
    last five elements of the frame's frame record.
 
+   .. versionchanged:: 2.6
+      Returns a :term:`named tuple` ``Traceback(filename, lineno, function,
+      code_context, index)``.
+
 
 .. function:: getouterframes(frame[, context])