Prep for 1.22.0rc2 (pantsbuild#8595)

src/python/pants/notes/1.22.x.rst

@@ -3,6 +3,34 @@
 
 This document describes releases leading up to the ``1.22.x`` ``stable`` series.
 
+1.22.0rc2 (11/08/2019)
+------------------------
+
+New Features
+~~~~~~~~~~~~
+
+* Add Zinc for outlining support (#8560)
+  `PR #8560 <https://github.com/pantsbuild/pants/pull/8560>`_
+
+* Render cyclic path in node error to avoid --print-exception-stacktrace (#8422)
+  `PR #8422 <https://github.com/pantsbuild/pants/pull/8422>`_
+
+Bugfixes
+~~~~~~~~
+
+* Fix fingerprint dict with files (#8569)
+  `PR #8569 <https://github.com/pantsbuild/pants/pull/8569>`_
+
+Refactoring, Improvements, and Tooling
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+* Rust nails client for local hermetic nailgun execution. (#8564)
+  `PR #8564 <https://github.com/pantsbuild/pants/pull/8564>`_
+
+* Implement Nailgun in V2 hermetic execution (#8371)
+  `PR #8371 <https://github.com/pantsbuild/pants/pull/8371>`_
+
+
 1.22.0rc1 (11/01/2019)
 ------------------------