Add a news article about Scalatra 3.0.0 release

content/news/2023-09-30-scalatra-3-0-0-released copy.md

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+---
+title: "Scalatra 3.0.0 is out"
+layout: news
+author: Naoki Takezoe
+twitter: takezoen
+date: 2023-09-30
+---
+
+One year since the latest milestone build, the Scalatra team finally released Scalatra 3.0.0 with Scala 3 and Jakarta support!
+
+<!--more-->
+
+## Scala 3 and Jakarta support
+
+Basically, Scalatra 3.0 is compatible with Scalatra 2.x and it now supports Scala 3 in addition to 2.12 and 2.13.
+
+Also, Scalatra 3.0 supports both Servlet 4.0.1 (javax) and 5.0.0 (jakarta). Artifacts have a suffix depending on the Servlet version as follows:
+
+```scala
+// for javax
+"org.scalatra" %% "scalatra-javax" % "3.0.0",
+"org.scalatra" %% "scalatra-json-javax" % "3.0.0",
+"org.scalatra" %% "scalatra-forms-javax" % "3.0.0",
+...
+
+// for jakarta
+"org.scalatra" %% "scalatra-jakarta" % "3.0.0",
+"org.scalatra" %% "scalatra-json-jakarta" % "3.0.0",
+"org.scalatra" %% "scalatra-forms-jakarta" % "3.0.0",
+...
+```
+
+## Dropped modules
+
+Due to difficullty in continuous maintenance and support, the following module has been dropped in Scalatra 3.0.
+
+- scalatra-atomosphere
+- scalatra-scalate
+
+You would be able to use atomosphere and scalate in your Scalatra applications by writing some simple integration code yourself.
+
+## Resources
+
+- [Scalatra 3.0 Guides](https://scalatra.org/guides/3.0/) explain features of Scalatra 3.0 comprehensively
+- [Here](https://github.com/scalatra/scalatra-website-examples) is a collection of Scalatra example projects that now include Scalatra 3.0
+- [Giter8 template](https://github.com/scalatra/scalatra.g8) now generates a Scalatra 3.0 project with Scala 3 and Jakarta by default