Release v6.0.0.rc1

Author: wpolicarpo

Diff for: CHANGELOG.md

@@ -1,4 +1,4 @@
-## v6.0.0.rc1 (unreleased)
+## v6.0.0.rc1
 
 #### Fixed
 

Diff for: guides/RELEASING.md

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+# Releasing
+
+## Building locally
+
+If you want to build the gem to test it locally run `bundle exec rake build`.
+
+This command will build the gem in `pkg/activerecord-sqlserver-adapter-A.B.C.gem`, where `A.B.C` is the version in `VERSION` file.
+
+## Releasing to RubyGems
+
+Run `bundle exec rake release` to build the gem locally and push the `gem` file to RubyGems.