Add release dates to release notes (#8692)

Fixes #8691

* Add dates to markdown based release notes
* Add dates to rst based release notes

CONTRIBUTORS.rst

@@ -603,6 +603,7 @@ Contributors
 * Lucie Le Frapper
 * Jaspreet Singh
 * Yves Serrano
+* Hugh Rawlinson
 
 Translators
 ===========

docs/releases/0.4.1.rst

@@ -2,6 +2,8 @@
 Wagtail 0.4.1 release notes
 ===========================
 
+*July 14, 2014*
+
 Bug fixes
 ~~~~~~~~~
 

docs/releases/0.4.rst

@@ -2,6 +2,8 @@
 Wagtail 0.4 release notes
 =========================
 
+*July 10, 2014*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/0.5.rst

@@ -2,6 +2,8 @@
 Wagtail 0.5 release notes
 =========================
 
+*August 1, 2014*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/0.6.rst

@@ -2,6 +2,8 @@
 Wagtail 0.6 release notes
 =========================
 
+*September 11, 2014*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/0.7.rst

@@ -2,6 +2,8 @@
 Wagtail 0.7 release notes
 =========================
 
+*October 9, 2014*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/0.8.1.rst

@@ -2,6 +2,8 @@
 Wagtail 0.8.1 release notes
 ===========================
 
+*November 5, 2014*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/0.8.10.rst

@@ -2,6 +2,8 @@
 Wagtail 0.8.10 release notes
 ============================
 
+*September 16, 2015*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/0.8.3.rst

@@ -2,6 +2,8 @@
 Wagtail 0.8.3 release notes
 ===========================
 
+*November 18, 2014*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/0.8.4.rst

@@ -2,6 +2,8 @@
 Wagtail 0.8.4 release notes
 ===========================
 
+*December 4, 2014*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/0.8.5.rst

@@ -2,6 +2,8 @@
 Wagtail 0.8.5 release notes
 ===========================
 
+*February 17, 2015*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/0.8.6.rst

@@ -2,6 +2,8 @@
 Wagtail 0.8.6 release notes
 ===========================
 
+*March 10, 2015*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/0.8.7.rst

@@ -2,6 +2,8 @@
 Wagtail 0.8.7 release notes
 ===========================
 
+*April 29, 2015*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/0.8.8.rst

@@ -2,6 +2,8 @@
 Wagtail 0.8.8 release notes
 ===========================
 
+*June 18, 2015*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/0.8.rst

@@ -2,6 +2,8 @@
 Wagtail 0.8 release notes
 =========================
 
+*November 5, 2014*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/1.0.rst

@@ -2,6 +2,8 @@
 Wagtail 1.0 release notes
 =========================
 
+*July 16, 2015*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/1.1.rst

@@ -2,6 +2,8 @@
 Wagtail 1.1 release notes
 =========================
 
+*September 15, 2015*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/1.10.1.rst

@@ -2,6 +2,8 @@
 Wagtail 1.10.1 release notes
 ============================
 
+*May 19, 2017*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/1.10.rst

@@ -2,6 +2,8 @@
 Wagtail 1.10 release notes
 ==========================
 
+*May 3, 2017*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/1.11.1.rst

@@ -2,6 +2,8 @@
 Wagtail 1.11.1 release notes
 ============================
 
+*July 7, 2017*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/1.11.rst

@@ -2,6 +2,8 @@
 Wagtail 1.11 release notes
 ==========================
 
+*June 30, 2017*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/1.12.1.rst

@@ -2,6 +2,8 @@
 Wagtail 1.12.1 release notes
 ============================
 
+*August 30, 2017*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/1.12.2.rst

@@ -2,6 +2,8 @@
 Wagtail 1.12.2 release notes
 ============================
 
+*September 18, 2017*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/1.12.3.rst

@@ -2,6 +2,8 @@
 Wagtail 1.12.3 release notes
 ============================
 
+*November 17, 2017*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/1.12.4.rst

@@ -2,6 +2,8 @@
 Wagtail 1.12.4 release notes
 ============================
 
+*July 4, 2018*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/1.12.5.rst

@@ -2,6 +2,8 @@
 Wagtail 1.12.5 release notes
 ============================
 
+*August 13, 2018*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/1.12.6.rst

@@ -2,6 +2,8 @@
 Wagtail 1.12.6 release notes
 ============================
 
+*August 13, 2018*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/1.12.rst

@@ -2,6 +2,8 @@
 Wagtail 1.12 release notes
 ==========================
 
+*August 21, 2017*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/1.13.1.rst

@@ -2,6 +2,8 @@
 Wagtail 1.13.1 release notes
 ============================
 
+*November 17, 2017*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/1.13.2.rst

@@ -2,6 +2,8 @@
 Wagtail 1.13.2 release notes
 ============================
 
+*July 4, 2018*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/1.13.3.rst

@@ -2,6 +2,8 @@
 Wagtail 1.13.3 release notes
 ============================
 
+*August 13, 2018*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/1.13.4.rst

@@ -2,6 +2,8 @@
 Wagtail 1.13.4 release notes
 ============================
 
+*August 13, 2018*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/1.13.rst

@@ -2,6 +2,8 @@
 Wagtail 1.13 release notes
 ==========================
 
+*October 16, 2017*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/1.2.rst

@@ -2,6 +2,8 @@
 Wagtail 1.2 release notes
 =========================
 
+*November 12, 2015*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/1.3.1.rst

@@ -2,6 +2,8 @@
 Wagtail 1.3.1 release notes
 ===========================
 
+*January 5, 2016*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/1.3.rst

@@ -2,6 +2,8 @@
 Wagtail 1.3 release notes
 =========================
 
+*December 23, 2015*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/1.4.1.rst

@@ -2,6 +2,8 @@
 Wagtail 1.4.1 release notes
 ===========================
 
+*March 17, 2016*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/1.4.2.rst

@@ -2,6 +2,8 @@
 Wagtail 1.4.2 release notes
 ===========================
 
+*March 1, 2016*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/1.4.3.rst

@@ -2,6 +2,8 @@
 Wagtail 1.4.3 release notes
 ===========================
 
+*April 4, 2016*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/1.4.4.rst

@@ -2,6 +2,8 @@
 Wagtail 1.4.4 release notes
 ===========================
 
+*May 10, 2016*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/1.4.5.rst

@@ -2,6 +2,8 @@
 Wagtail 1.4.5 release notes
 ===========================
 
+*May 19, 2016*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/1.4.6.rst

@@ -2,6 +2,8 @@
 Wagtail 1.4.6 release notes
 ===========================
 
+*July 18, 2016*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/1.4.rst

@@ -2,6 +2,8 @@
 Wagtail 1.4 release notes
 =========================
 
+*March 16, 2016*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/1.5.1.rst

@@ -2,6 +2,8 @@
 Wagtail 1.5.1 release notes
 ===========================
 
+*June 7, 2016*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/1.5.2.rst

@@ -2,6 +2,8 @@
 Wagtail 1.5.2 release notes
 ===========================
 
+*June 8, 2016*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/1.5.3.rst

@@ -2,6 +2,8 @@
 Wagtail 1.5.3 release notes
 ===========================
 
+*July 18, 2016*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/1.5.rst

@@ -2,6 +2,8 @@
 Wagtail 1.5 release notes
 =========================
 
+*May 1, 2016*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/1.6.1.rst

@@ -2,6 +2,8 @@
 Wagtail 1.6.1 release notes
 ===========================
 
+*August 26, 2016*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/1.6.2.rst

@@ -2,6 +2,8 @@
 Wagtail 1.6.2 release notes
 ===========================
 
+*September 2, 2016*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/1.6.3.rst

@@ -2,6 +2,8 @@
 Wagtail 1.6.3 release notes
 ===========================
 
+*September 30, 2016*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/1.6.rst

@@ -2,6 +2,8 @@
 Wagtail 1.6 release notes
 =========================
 
+*August 15, 2016*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/1.7.rst

@@ -2,6 +2,8 @@
 Wagtail 1.7 release notes
 =========================
 
+*October 20, 2016*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/1.8.1.rst

@@ -2,6 +2,8 @@
 Wagtail 1.8.1 release notes
 ===========================
 
+*January 26, 2017*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/1.8.2.rst

@@ -2,6 +2,8 @@
 Wagtail 1.8.2 release notes
 ===========================
 
+*April 21, 2017*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/1.8.rst

@@ -2,6 +2,8 @@
 Wagtail 1.8 release notes
 =========================
 
+*December 15, 2016*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/1.9.1.rst

@@ -2,6 +2,8 @@
 Wagtail 1.9.1 release notes
 ===========================
 
+*April 21, 2017*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/1.9.rst

@@ -2,6 +2,8 @@
 Wagtail 1.9 release notes
 =========================
 
+*February 16, 2017*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/2.0.1.rst

@@ -2,6 +2,8 @@
 Wagtail 2.0.1 release notes
 ===========================
 
+*April 4, 2018*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/2.0.2.rst

@@ -2,6 +2,8 @@
 Wagtail 2.0.2 release notes
 ===========================
 
+*August 13, 2018*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/2.0.rst

@@ -2,6 +2,8 @@
 Wagtail 2.0 release notes
 =========================
 
+*February 28, 2018*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/2.1.1.rst

@@ -2,6 +2,8 @@
 Wagtail 2.1.1 release notes
 ===========================
 
+*July 4, 2018*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/2.1.2.rst

@@ -2,6 +2,8 @@
 Wagtail 2.1.2 release notes
 ===========================
 
+*August 6, 2018*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/2.1.3.rst

@@ -2,6 +2,8 @@
 Wagtail 2.1.3 release notes
 ===========================
 
+*August 13, 2018*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/2.1.rst

@@ -2,6 +2,8 @@
 Wagtail 2.1 release notes
 =========================
 
+*May 22, 2018*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/2.10.1.rst

@@ -2,6 +2,8 @@
 Wagtail 2.10.1 release notes
 ============================
 
+*August 26, 2020*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/2.10.2.rst

@@ -2,6 +2,8 @@
 Wagtail 2.10.2 release notes
 ============================
 
+*September 25, 2020*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/2.10.rst

@@ -2,6 +2,8 @@
 Wagtail 2.10 release notes
 ==========================
 
+*August 11, 2020*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/2.11.1.rst

@@ -2,6 +2,8 @@
 Wagtail 2.11.1 release notes
 ============================
 
+*November 6, 2020*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/2.11.2.rst

@@ -2,6 +2,8 @@
 Wagtail 2.11.2 release notes
 ============================
 
+*November 17, 2020*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/2.11.3.rst

@@ -2,6 +2,8 @@
 Wagtail 2.11.3 release notes
 ============================
 
+*December 10, 2020*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/2.11.4.rst

@@ -2,6 +2,8 @@
 Wagtail 2.11.4 release notes
 ============================
 
+*February 16, 2021*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/2.11.5.rst

@@ -2,6 +2,8 @@
 Wagtail 2.11.5 release notes
 ============================
 
+*February 18, 2021*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/2.11.6.rst

@@ -2,6 +2,8 @@
 Wagtail 2.11.6 release notes
 ============================
 
+*March 5, 2021*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/2.11.7.rst

@@ -2,6 +2,8 @@
 Wagtail 2.11.7 release notes
 ============================
 
+*April 19, 2021*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/2.11.8.rst

@@ -2,6 +2,8 @@
 Wagtail 2.11.8 release notes
 ============================
 
+*June 17, 2021*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/2.11.9.rst

@@ -2,6 +2,8 @@
 Wagtail 2.11.9 release notes
 ============================
 
+*January 24, 2022*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/2.11.rst

@@ -2,6 +2,8 @@
 Wagtail 2.11 release notes
 ==========================
 
+*November 2, 2020*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/2.12.1.rst

@@ -2,6 +2,8 @@
 Wagtail 2.12.1 release notes
 ============================
 
+*February 16, 2021*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/2.12.2.rst

@@ -2,6 +2,8 @@
 Wagtail 2.12.2 release notes
 ============================
 
+*February 18, 2021*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/2.12.3.rst

@@ -2,6 +2,8 @@
 Wagtail 2.12.3 release notes
 ============================
 
+*March 5, 2021*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/2.12.4.rst

@@ -2,6 +2,8 @@
 Wagtail 2.12.4 release notes
 ============================
 
+*April 19, 2021*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/2.12.5.rst

@@ -2,6 +2,8 @@
 Wagtail 2.12.5 release notes
 ============================
 
+*June 17, 2021*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/2.12.6.rst

@@ -2,6 +2,8 @@
 Wagtail 2.12.6 release notes
 ============================
 
+*July 13, 2021*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/2.12.rst

@@ -2,6 +2,8 @@
 Wagtail 2.12 release notes
 ==========================
 
+*February 2, 2021*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/2.13.1.rst

@@ -2,6 +2,8 @@
 Wagtail 2.13.1 release notes
 ============================
 
+*June 1, 2021*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/2.13.2.rst

@@ -2,6 +2,8 @@
 Wagtail 2.13.2 release notes
 ============================
 
+*June 17, 2021*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/2.13.3.rst

@@ -2,6 +2,8 @@
 Wagtail 2.13.3 release notes
 ============================
 
+*July 5, 2021*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/2.13.4.rst

@@ -2,6 +2,8 @@
 Wagtail 2.13.4 release notes
 ============================
 
+*July 13, 2021*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/2.13.5.rst

@@ -2,6 +2,8 @@
 Wagtail 2.13.5 release notes
 ============================
 
+*October 14, 2021*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/2.13.rst

@@ -2,6 +2,8 @@
 Wagtail 2.13 release notes
 ==========================
 
+*May 12, 2021*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/2.14.1.rst

@@ -2,6 +2,8 @@
 Wagtail 2.14.1 release notes
 ============================
 
+*August 12, 2021*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/2.14.2.rst

@@ -2,6 +2,8 @@
 Wagtail 2.14.2 release notes
 ============================
 
+*October 14, 2021*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/2.14.rst

@@ -2,6 +2,8 @@
 Wagtail 2.14 release notes
 ==========================
 
+*August 2, 2021*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/2.15.1.rst

@@ -2,6 +2,8 @@
 Wagtail 2.15.1 release notes
 ============================
 
+*November 11, 2021*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/2.15.2.rst

@@ -2,6 +2,8 @@
 Wagtail 2.15.2 release notes
 ============================
 
+*January 18, 2022*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/2.15.3.rst

@@ -2,6 +2,8 @@
 Wagtail 2.15.3 release notes
 ============================
 
+*January 26, 2022*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/2.15.4.rst

@@ -2,6 +2,8 @@
 Wagtail 2.15.4 release notes
 ============================
 
+*February 11, 2022*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/2.15.5.rst

@@ -2,6 +2,8 @@
 Wagtail 2.15.5 release notes
 ============================
 
+*April 11, 2022*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/2.15.rst

@@ -2,6 +2,8 @@
 Wagtail 2.15 release notes
 ==========================
 
+*November 4, 2021*
+
 .. contents::
     :local:
     :depth: 1

docs/releases/2.16.1.rst

@@ -2,6 +2,8 @@
 Wagtail 2.16.1 release notes
 ============================
 
+*February 11, 2022*
+
 .. contents::
     :local:
     :depth: 1