Merge pull request scala#9817 from dotty-staging/naming-schema-article

Add naming schema change article

docs/blog/_posts/2020-09-21-naming-schema-change.md

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+---
+layout: blog-page
+title: Dotty becomes Scala 3
+author: Anatolii Kmetiuk
+authorImg: /images/anatolii.png
+date: 2020-09-21
+---
+
+This article is a heads-up for the upcoming change in the naming of Dotty artefacts (as published to Maven). Currently, the organization name is “ch.epfl.lamp” which will become “org.scala-lang”. The artefact names will be changed from “dotty-xxx” to “scala3-xxx”.
+
+This change will be part of the next Dotty release planned for October 1st which will be known as Scala 3.0.0-M1. We encourage maintainers of tooling (IDEs, build tools, ...) to prepare for this change now by special-casing the way they handle the compiler when its version number starts with `3.` just like they already had to special-case versions starting with `0.` to support existing Dotty releases.