docs: update changelog

Signed-off-by: Henry Schreiner <henryschreineriii@gmail.com>

CHANGELOG.rst

@@ -6,10 +6,28 @@ Changelog
 Unreleased
 ==========
 
+- Hide a Python 3.11.0 unavoidable warning with venv (`PR #527`_)
+
 - Fix infinite recursion error in ``check_dependency`` with circular
   dependencies (`PR #512`_, Fixes `#511`_)
 
+- Only import colorama on Windows (`PR 494`_, Fixes `#493`_)
+
+- Flush output more often to reduce interleaved output (`PR 494`_)
+
+- Small API cleanup, like better ``__all__`` and srcdir being read only. (`PR #477`_)
+
+- Only use ``importlib_metadata`` when needed (`PR 401`_)
+
+- Clarify in printout when build dependencies are being installed (`PR 514`_)
+
+.. _PR #401: https://github.com/pypa/build/pull/401
+.. _PR #477: https://github.com/pypa/build/pull/477
+.. _PR #494: https://github.com/pypa/build/pull/494
 .. _PR #512: https://github.com/pypa/build/pull/512
+.. _PR #514: https://github.com/pypa/build/pull/514
+.. _PR #527: https://github.com/pypa/build/pull/527
+.. _#493: https://github.com/pypa/build/issues/493
 .. _#511: https://github.com/pypa/build/issues/511