Add Play 2.9 and 3.0 and make app handle both versions in parallel

app/controllers/Application.scala

@@ -55,9 +55,11 @@ class Application @Inject() (
 
       }
       .orElse {
-        if (!version.contains(releases.latest.version)) {
+        if(version.isEmpty ||
+          (version.exists(_.startsWith("2.")) && !version.contains(releases.latest2.version)) ||
+          (version.exists(_.startsWith("3.")) && !version.contains(releases.latest3.version))) {
           Some(
-            s"""Play framework ${releases.latest.version} is out!  Check it out <a href="${routes.Application.download}">here</a>.""",
+            s"""Play framework ${if(version.isEmpty || version.exists(_.startsWith("3."))) releases.latest3.version else releases.latest2.version} is out!  Check it out <a href="${routes.Application.download}">here</a>.""",
           )
         } else {
           None

app/controllers/documentation/DocumentationController.scala

@@ -187,7 +187,7 @@ class DocumentationController @Inject() (
   }
 
   def page(lang: Option[Lang], v: String, page: String) = VersionAction(v) { (actor, version) => implicit req =>
-    val linkFuture = canonicalLinkHeader(page)
+    val linkFuture = canonicalLinkHeader(page, version)
     val resultFuture =
       actorRequest(actor, page, replyTo => RenderPage(lang, version, etag(req), page, replyTo)) {
         case RenderedPage(html, sidebarHtml, breadcrumbsHtml, source, context, cacheId) =>
@@ -321,8 +321,12 @@ class DocumentationController @Inject() (
     }
   }
 
-  private def canonicalLinkHeader(page: String) = {
-    val Array(epoch, major, minor) = releases.latest.version.split("\\.", 4)
+  private def canonicalLinkHeader(page: String, version: Version) = {
+    val playRelease = version.era match {
+      case 3 => releases.latest3
+      case _ => releases.latest2
+    }
+    val Array(epoch, major, minor) = playRelease.version.split("\\.", 4)
     val latestVersion              = Version.parse(s"$epoch.$major.x").get
     documentationActor
       .ask[Response[PageExists]](replyTo => QueryPageExists(None, latestVersion, None, page, replyTo))

app/models/Releases.scala

@@ -17,7 +17,7 @@ object PlayRelease {
   implicit val releaseReads: Reads[PlayRelease] = Json.reads[PlayRelease]
 }
 
-case class PlayReleases(latest: PlayRelease, development: Seq[PlayRelease], previous: Seq[PlayRelease])
+case class PlayReleases(latest3: PlayRelease, latest2: PlayRelease, development: Seq[PlayRelease], previous: Seq[PlayRelease])
 
 object PlayReleases {
   implicit val playReleasesReads: Reads[PlayReleases] = Json.reads[PlayReleases]

app/services/releases/ReleasesModule.scala

@@ -23,7 +23,7 @@ class PlayReleasesProvider @Inject() (environment: Environment) extends Provider
           is.close()
         }
       }
-      .getOrElse(PlayReleases(PlayRelease("unknown", None, Some("unknown"), None, None), Nil, Nil))
+      .getOrElse(PlayReleases(PlayRelease("unknown", None, Some("unknown"), None, None), PlayRelease("unknown", None, Some("unknown"), None, None), Nil, Nil))
   }
 
   override def get(): PlayReleases = releases

app/views/index.scala.html

@@ -24,7 +24,7 @@ <h1>
         <div id="actions">
             <div id="start">
                 <h2>Get Started</h2>
-                    <a href="@routes.Application.download" class="button">Try Play <br> @releases.latest.version@for(name <- releases.latest.name){ "@name"}</a>
+                    <a href="@routes.Application.download" class="button">Try Play <br> @releases.latest3.version or @releases.latest2.version@for(name <- releases.latest2.name){ "@name"}</a>
                 <p>
                     or <a href="@routes.Application.allreleases()">browse all versions</a>
                 </p>
@@ -33,7 +33,7 @@ <h2>Get Started</h2>
             <div id="docs">
                 <h2>Read the Docs</h2>
 
-                <a href="@reverseRouter.index(None)" class="button">Documentation <br> @releases.latest.version@for(name <- releases.latest.name){ "@name"}</a>
+                <a href="@reverseRouter.index(None)" class="button">Documentation <br> @releases.latest3.version or @releases.latest2.version@for(name <- releases.latest2.name){ "@name"}</a>
                 <p>
                   or go to <a href="@reverseRouter.latest(None, "JavaHome")">Java docs</a> or <a href="@reverseRouter.latest(None, "ScalaHome")">Scala docs</a>
                 </p>

conf/application.conf

@@ -35,7 +35,7 @@ opencollective.slug = "playframework"
 
 # apiUrl not used currently, we use local json files in conf/playSamples_x.x.x.json currently
 #examples.apiUrl = "https://example.lightbend.com/v1/api/templates"
-examples.playVersions = [ "2.8.x" ]
+examples.playVersions = [ "3.0.x", "2.9.x" ]
 examples.cache.ttl = 1 hour
 
 documentation.home=testdocs

conf/playReleases.json

@@ -1,15 +1,19 @@
 {
-  "latest": {
-    "version": "2.8.20",
-    "date": "Jul 18 2023"
+  "latest3": {
+    "version": "3.0.0",
+    "date": "Oct 25 2023"
+  },
+  "latest2": {
+    "version": "2.9.0",
+    "date": "Oct 25 2023"
   },
   "development": [
-    {
-      "version": "2.9.0-RC2",
-      "date": "Sep 19 2023"
-    }
   ],
   "previous": [
+    {
+      "version": "2.8.20",
+      "date": "Jul 18 2023"
+    },
     {
       "version": "2.8.19",
       "date": "Jan 13 2023"

public/markdown/changelog.md

@@ -1,3 +1,21 @@
+## Play 3.0.0
+
+*Released 25 October 2023
+
+[Highlights](https://playframework.com/documentation/3.0.x/Highlights30)
+[Migration Guide](https://playframework.com/documentation/3.0.x/Migration30)
+[All changes](https://github.com/playframework/playframework/compare/2.9.0...3.0.0/)
+[GitHub milestone](https://github.com/playframework/playframework/milestone/129?closed=1)
+
+## Play 2.9.0
+
+*Released 25 October 2023
+
+[Highlights](https://playframework.com/documentation/2.9.x/Highlights29)
+[Migration Guide](https://playframework.com/documentation/2.9.x/Migration29)
+[All changes](https://github.com/playframework/playframework/compare/2.8.0...2.9.0/)
+[GitHub milestone](https://github.com/playframework/playframework/milestone/105?closed=1)
+
 ## Play 2.8.20
 
 *Released 18 July 2023