Fill in release date for 2.10

CHANGELOG.txt

@@ -13,7 +13,8 @@ Changelog
  * Fix: `WAGTAILFRONTENDCACHE_LANGUAGES` was being interpreted incorrectly. It now accepts a list of strings, as documented (Karl Hobley)
  * Fix: Update oEmbed endpoints to use https where available (Matt Westcott)
 
-2.10 (xx.xx.xxxx) - IN DEVELOPMENT
+
+2.10 (11.08.2020)
 ~~~~~~~~~~~~~~~~~
 
  * Added Django 3.1 support (Matt Westcott, Karl Hobley)

docs/releases/2.10.rst

@@ -1,6 +1,6 @@
-===========================================
-Wagtail 2.10 release notes - IN DEVELOPMENT
-===========================================
+==========================
+Wagtail 2.10 release notes
+==========================
 
 .. contents::
     :local: