CHANGELOG.md in format_parser-1.7.0 vs CHANGELOG.md in format_parser-2.0.0.pre

@@ -1,4 +1,10 @@
+## 2.0.0.pre (Prerelease)
+* Drop support for Ruby `<2.7`.
+* Drop faraday dependencies.
+* Loosen version constraints on other dependencies.
+* Update measurometer metrics for consistency and clarity.
+
 ## 1.7.0
 * Add support for `ARW` files.
 
 ## 1.6.0
 * Add support for `AAC` files.