THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
Tapestry 5.4.2 is a drop-in replacement for Tapestry 5.4 releases. To upgrade, just update the dependency in your build configuration (Maven POM, Gradle build script, etc.) – or Download Release Notes 5.4.2 the new JAR file -- and the new version will just work. However, please review the How to Upgrade Release Notes 5.4.2 instructions before upgrading.
...