Mention in changelog that 12079 is an issue mostly in Python 3.11.

mauritsvanrees · mauritsvanrees · commit 1a80e4150400 · 2023-06-12T21:43:34.000+02:00
diff --git a/news/12079.bugfix.rst b/news/12079.bugfix.rst
@@ -1 +1 @@
-Fix slowness when using ``importlib.metadata`` and there is a large overlap between already installed and to-be-installed packages.
+Fix slowness when using ``importlib.metadata`` and there is a large overlap between already installed and to-be-installed packages.  This is the default in Python 3.11, though it can be overridden with the ``_PIP_USE_IMPORTLIB_METADATA`` environment variable.

Original file line number	Diff line number	Diff line change
`@@ -1 +1 @@`
`1`		-Fix slowness when using ``importlib.metadata`` and there is a large overlap between already installed and to-be-installed packages.
	`1`	+Fix slowness when using ``importlib.metadata`` and there is a large overlap between already installed and to-be-installed packages. This is the default in Python 3.11, though it can be overridden with the ``_PIP_USE_IMPORTLIB_METADATA`` environment variable.