developers and some flags were missing

build.sbt

@@ -17,6 +17,13 @@ lazy val `play-doc` = (project in file("."))
     homepage             := Some(url(s"https://github.com/playframework/${Omnidoc.repoName}")),
     licenses             := Seq("Apache-2.0" -> url("https://www.apache.org/licenses/LICENSE-2.0.html")),
     crossScalaVersions   := Seq("2.12.18", "2.13.12", "3.3.1"),
+    developers += Developer(
+      "playframework",
+      "The Play Framework Contributors",
+      "[email protected]",
+      url("https://github.com/playframework")
+    ),
+    pomIncludeRepository := { _ => false },
     scalacOptions ++= {
       CrossVersion.partialVersion(scalaVersion.value) match {
         case Some((2, _)) =>
@@ -26,6 +33,7 @@ lazy val `play-doc` = (project in file("."))
             "-Xlint:nullary-unit",
             "-Ywarn-dead-code",
             "-Xsource:3",
+            "-Xmigration",
           )
         case _ => Nil
       }
@@ -44,11 +52,19 @@ javacOptions ++= Seq(
   "11",
   "-Xlint:deprecation",
   "-Xlint:unchecked",
+  "-Xlint:-options",
+  "-encoding",
+  "UTF-8",
 )
 
 scalacOptions ++= Seq(
   "-release",
   "11",
+  "-deprecation",
+  "-feature",
+  "-unchecked",
+  "-encoding",
+  "utf8"
 )
 
 addCommandAlias(