CHANGELOG.md in syslogger-1.6.5 vs CHANGELOG.md in syslogger-1.6.6

@@ -1,6 +1,19 @@
 # CHANGELOG
 
+## 1.6.6
+
+* Drop support of Ruby 2.3
+* Drop support of Ruby 2.4
+* Add support of Ruby 2.6
+* Add support of Ruby 2.7
+* Add support of Ruby 3.0
+* Drop support of Rails 5.1
+* Add support of Rails 6.0
+* Add support of Rails 6.1
+* Add binstubs to ease development
+* Migrate from Travis to Github Actions
+
 ## 1.6.5
 
 * Merge [Fixnum type is deprecated](https://github.com/crohr/syslogger/pull/42) (thanks thesmart)
 * Merge [Add #puts method to Syslogger](https://github.com/crohr/syslogger/pull/38) (thanks VuokkoVuorinnen)
 * Fix [Severity is passed as an array in the call to the formatter](https://github.com/crohr/syslogger/issues/35)