README.md in unicode-sequence_name-1.8.0 vs README.md in unicode-sequence_name-1.9.0

@@ -1,9 +1,13 @@
 # Unicode::SequenceName [![[version]](https://badge.fury.io/rb/unicode-sequence_name.svg)](https://badge.fury.io/rb/unicode-sequence_name)  [![[travis]](https://travis-ci.org/janlelis/unicode-sequence_name.png)](https://travis-ci.org/janlelis/unicode-sequence_name)
 
 Returns the name of a Unicode codepoint sequence, if one exists.
 
-Unicode / Emoji version: **13.0** / **13.1** (March 2020 / September 2020)
+Unicode version: **13.0** (March 2020)
+
+Emoji version: **13.1** (September 2020)
+
+IVD version: **2020-11-06** (November 2020)
 
 Supported Rubies: **2.7**, **2.6**, **2.5** (also latest JRuby and TruffleRuby stable)
 
 Old Rubies which might still work: **2.4**, **2.3**, **2.2**, **2.1**, **2.0**