Prepare for the 0.2.13 release (#1844)

RELEASES.md

@@ -1,5 +1,7 @@
 # Enso Next
 
+# Enso 0.2.13 (2021-07-09)
+
 ## Interpreter/Runtime
 
 - Implemented changes to the import and export syntax, requiring to provide the
@@ -31,6 +33,12 @@
   side, also enabling us to connect many AST elements with docs. See
   ([#1744](https://github.com/enso-org/enso/pull/1744).
 
+## Known Issues
+
+- This is a beta release, so please see the
+  [issue tracker](https://github.com/enso-org/enso/issues?q=is%3Aissue+is%3Aopen+created%3A%3C2021-07-09)
+  for issues opened before the release date.
+
 # Enso 0.2.12 (2021-06-24)
 
 ## Interpreter/Runtime

build.sbt

@@ -18,7 +18,7 @@ val scalacVersion  = "2.13.6"
 val rustVersion    = "1.54.0-nightly"
 val graalVersion   = "21.1.0"
 val javaVersion    = "11"
-val ensoVersion    = "0.2.13-SNAPSHOT" // Note [Engine And Launcher Version]
+val ensoVersion    = "0.2.13" // Note [Engine And Launcher Version]
 val currentEdition = "2021.1"          // Note [Default Editions]
 val stdLibVersion  = "0.1.0"           // Note [Standard Library Version]