--- /dev/null
+# Changelog
+
+### 2.1.0 - 2018-06-10
+
+* Allos projects to store scenarios in either the original location, "scenarios", or in the new recommended location, ".scenarios.lock". Projects must be converted manually.
+
+### 2.0.0 - 2018-03-18
+
+* BREAKING: Default to preserving value of platform php. Add --unset-platform-php option for clients that wish to remove this setting, as the former default behavior did.
+* Add 'highest', 'lowest' and 'lock' aliases for dependency actions in install-scenario scripts, for more readable test script files.
+
+### 1.0.3 - 2018-03-07
+
+* Update dependency license information and copyright year in LICENSE file.
+
+### 1.0.2 - 2018-01-17
+
+* Add a `--remove` option to allow scenarios to remove dependencies.
+
+### 1.0.1 - 2017-12-13
+
+* Run 'composer validate' on the composer.json file.
+* Fix quoting errors.
+
+### 1.0.0 - 2017-12-01
+
+* Initial release