Fix #505: Add info about Scala.js 0.6.x' End of Life.

Author: sjrd

_data/doc.yml

@@ -7,8 +7,6 @@
   subitems:
     - text: Basic tutorial
       url: /doc/tutorial/basic/
-    - text: Basic tutorial (0.6.x)
-      url: /doc/tutorial/basic/0.6.x.html
 - text: Scala.js for JavaScript developers
   url: /doc/sjs-for-js/
   subitems:
@@ -42,7 +40,7 @@
       url: /doc/interoperability/types.html
     - text: Write facade types for JS APIs
       url: /doc/interoperability/facade-types.html
-    - text: Access to the JavaScript global scope (1.x only)
+    - text: Access to the JavaScript global scope
       url: /doc/interoperability/global-scope.html
     - text: Export Scala.js APIs
       url: /doc/interoperability/export-to-javascript.html
@@ -66,3 +64,5 @@
       url: /doc/internals/downloads.html
     - text: Version history
       url: /doc/internals/version-history.html
+    - text: Scala.js 0.6.x EOL
+      url: /doc/internals/scalajs-0.6.x-eol.html

doc/internals/scalajs-0.6.x-eol.md

@@ -0,0 +1,20 @@
+---
+layout: doc
+title: Scala.js 0.6.x End of Life
+---
+
+The Scala.js 0.6.x series have been officially discontinued in June 2020, after [an RFC](https://github.com/scala-js/scala-js/issues/4045).
+The last release in the 0.6.x series is Scala.js 0.6.33.
+
+Scala.js 0.6.x being EOL means that:
+
+* The [0.6.x git branch](https://github.com/scala-js/scala-js/tree/0.6.x) is frozen.
+* Pull requests targeting the 0.6.x branch will be rejected.
+* Issues that can only be reproduced with Scala.js 0.6.x will be closed.
+* As long as Scala.js 0.6.33 works with newer versions of Scala 2.12.x and 2.13.x out of the box, we will publish its compiler plugins for those versions of Scala.
+  Once they stop working out of the box, support for newer versions of Scala will be dropped.
+
+Please upgrade to Scala.js 1.x as soon as possible.
+See [the release notes of Scala.js 1.0.0]({{ BASE_PATH }}/news/2020/02/25/announcing-scalajs-1.0.0/) for important migration information.
+
+There are no plans to offer paid support for Scala.js 0.6.x.

doc/project/dependencies.md

@@ -30,6 +30,7 @@ Use [scalajs-bundler](https://scalacenter.github.io/scalajs-bundler/) instead.
 Instead, it is provided by [sbt-jsdependencies](https://github.com/scala-js/jsdependencies).
 
 The rest of this section applies to Scala.js 0.6.x only.
+[Scala.js 0.6.x has reached End of Life.]({{ BASE_PATH }}/doc/internals/scalajs-0.6.x-eol.html)
 
 Thanks to [WebJars](http://www.webjars.org/), you can easily fetch a JavaScript library like so:
 

doc/tutorial/basic/0.6.x.md

@@ -5,6 +5,8 @@ title: Basic tutorial (Scala.js 0.6.x)
 
 **This page applies only to Scala.js 0.6.x. [Go the newer tutorial for Scala.js 1.x](./).**
 
+[Scala.js 0.6.x has reached End of Life.]({{ BASE_PATH }}/doc/internals/scalajs-0.6.x-eol.html)
+
 This is a step-by-step tutorial where we start with the setup of a Scala.js sbt project and end up having some user interaction and unit testing. The code created in this tutorial is available with one commit per step in the [scalajs-tutorial](https://github.com/scala-js/scalajs-tutorial/tree/0.6.x) repository on GitHub.
 
 ## <a name="prerequisites"></a> Step 0: Prerequisites