Update CHANGELOG

CHANGELOG.md

@@ -10,6 +10,25 @@ This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.htm
 
 ### Fixes
 
+## [0.10.0] - 2018-09-14
+### Notes
+
+In this release we have refactored some HTTP classes and moved
+them from `io.helidon.webserver` to a new package `io.helidon.common.http`.
+This is an incompatible change and you will need to update your `import`
+statements. See
+[javadocs](https://helidon.io/docs/0.10.0/apidocs/io/helidon/common/reactive/package-summary.html)
+for details.
+
+### Improvements
+- Security: improve support for IDCS subject mapping
+
+### Fixes
+- Webserver: refactor common HTTP classes to common module
+- Documentation: correct various links in documentation
+- Security: updates to support chain of JWT and basic auth with OIDC roles
+- Archetypes: fix formatting issue in generated pom.xml 
+
 ## [0.9.1] - 2018-09-07
 
 ### Notes
@@ -20,5 +39,6 @@ This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.htm
 ### Notes
 - Initial source drop on Github
 
-[Unreleased]: https://github.com/oracle/helidon/compare/0.9.1...HEAD
+[Unreleased]: https://github.com/oracle/helidon/compare/0.10.0...HEAD
+[0.10.0]: https://github.com/oracle/helidon/compare/0.9.1...0.10.0
 [0.9.1]: https://github.com/oracle/helidon/compare/0.9.0...0.9.1