Update version to 4.0.0.pre

JonRowe · pirj · commit 92efe622bcbf · 2020-12-07T01:06:18.000+03:00
diff --git a/lib/rspec/core/version.rb b/lib/rspec/core/version.rb
@@ -3,7 +3,7 @@ module Core
     # Version information for RSpec Core.
     module Version
       # Current version of RSpec Core, in semantic versioning format.
-      STRING = '3.11.0.pre'
+      STRING = '4.0.0.pre'
     end
   end
 end
diff --git a/maintenance-branch b/maintenance-branch
@@ -1 +1 @@
-main
+4-0-dev
