PEP 667: Add discussion and implementation link (#3688)

peps/pep-0667.rst

@@ -2,9 +2,9 @@ PEP: 667
 Title: Consistent views of namespaces
 Author: Mark Shannon <mark@hotpy.org>,
         Tian Gao <gaogaotiantian@hotmail.com>
+Discussions-To: https://discuss.python.org/t/46631
 Status: Draft
 Type: Standards Track
-Content-Type: text/x-rst
 Created: 30-Jul-2021
 Python-Version: 3.13
 Post-History: 20-Aug-2021
@@ -61,7 +61,8 @@ prints ``1``
 This is inconsistent, and confusing.
 With this PEP both examples would print ``2``.
 
-Worse than that, the current behavior can result in strange bugs [1]_
+Worse than that, the current behavior can result in strange `bugs
+<https://github.com/python/cpython/issues/74929>`__.
 
 There are no compensating advantages for the current behavior;
 it is unreliable and slow.
@@ -452,23 +453,14 @@ of both the frame and mapping proxy until the next cycle collection.
 
 ``PyEval_GetLocals()`` already creates a cycle, as it returns a borrowed reference.
 
+Implementation
+==============
 
-References
-==========
-
-.. [1] https://bugs.python.org/issue30744
+The implementation is in development as a `draft pull request on GitHub
+<https://github.com/python/cpython/pull/115153>`__.
 
 Copyright
 =========
 
 This document is placed in the public domain or under the
 CC0-1.0-Universal license, whichever is more permissive.
-
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