diff --git a/ReleaseNotes b/ReleaseNotes
index f85b737db..163ef6796 100644
--- a/ReleaseNotes
+++ b/ReleaseNotes
@@ -2,6 +2,25 @@ This document summarizes new features and bugfixes in each stable release
 of Tor. If you want to see more detailed descriptions of the changes in
 each development snapshot, see the ChangeLog file.
 
+Changes in version 0.2.8.12 - 2016-12-19
+
+  Tor 0.2.8.12 backports a fix for a medium-severity issue (bug 21018
+  below) where Tor clients could crash when attempting to visit a
+  hostile hidden service. Clients are recommended to upgrade as packages
+  become available for their systems.
+
+  It also includes an updated list of fallback directories, backported
+  from 0.2.9.
+
+  With the release of Tor 0.2.9.8, the Tor 0.2.8 series is now
+  officially old: only major bugfixes will be backported to 0.2.8 in the
+  future.
+
+
+
+
+
+
 Changes in version 0.2.8.11 - 2016-12-08
   Tor 0.2.8.11 backports fixes for additional portability issues that
   could prevent Tor from building correctly on OSX Sierra, or with