Changes by Version

Release Notes.

Apollo 1.9.2

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• Fix the issue that property placeholder doesn't work for dubbo reference beans
• Update xstream version to 1.4.18
• Fix the NPE occurred when using EnableApolloConfig with Spring 3.1.1
• Catch LinkageError for ClassLoaderUtil.isClassPresent in case class is present but is failed to load

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All issues and pull requests are here