CHANGELOG.md in sanitize_email-1.2.2 vs CHANGELOG.md in sanitize_email-2.0.0

@@ -1,6 +1,12 @@
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+*UNRELEASED*
+* Drop support for MRI Ruby 1.9, 2.0, 2.1, and 2.2 by Peter Boling
+* Drop support for JRuby 1.7 and 9.0, while still supporting 9.1 by Peter Boling
+* Drop support for Rails 3.0, 3.1, 3.2, 4.0, 4.1, while still supporting 4.2 by Peter Boling
+* Add testing for Rails 5.1 and 5.2 by Peter Boling
+
 Version 1.2.2 - FEB.17.2017
 * Improve handling of frozen strings, which are becoming more common by @milgner
 
 Version 1.2.1 - NOV.03.2016
 * Fix bug where non-array to address would not get prepended to subject when that feature is turned on