Added stub release notes for security releases.

docs/releases/1.11.21.txt

@@ -0,0 +1,7 @@
+============================
+Django 1.11.21 release notes
+============================
+
+*June 3, 2019*
+
+Django 1.11.21 fixes security issues in 1.11.20.

docs/releases/2.1.9.txt

@@ -0,0 +1,7 @@
+============================
+Django 2.1.9 release notes
+============================
+
+*June 3, 2019*
+
+Django 2.1.9 fixes security issues in 2.1.8.

docs/releases/2.2.2.txt

@@ -2,9 +2,9 @@
 Django 2.2.2 release notes
 ==========================
 
-*Expected June 3, 2019*
+*June 3, 2019*
 
-Django 2.2.2 fixes several bugs in 2.2.1.
+Django 2.2.2 fixes security issues and several bugs in 2.2.1.
 
 Bugfixes
 ========

docs/releases/index.txt

@@ -41,6 +41,7 @@ versions of the documentation contain the release notes for any later releases.
 .. toctree::
    :maxdepth: 1
 
+   2.1.9
    2.1.8
    2.1.7
    2.1.6
@@ -76,6 +77,7 @@ versions of the documentation contain the release notes for any later releases.
 .. toctree::
    :maxdepth: 1
 
+   1.11.21
    1.11.20
    1.11.19
    1.11.18