diff --git a/.travis.yml b/.travis.yml
index 019df864f..59f894770 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,7 +3,7 @@ sudo: required
 language: ruby
 
 rvm:
-  - 2.2.4
+  - 2.3.1
 
 services:
   - docker
diff --git a/app/helpers/react_on_rails_helper.rb b/app/helpers/react_on_rails_helper.rb
index ba48c3c7b..9ebb15dca 100644
--- a/app/helpers/react_on_rails_helper.rb
+++ b/app/helpers/react_on_rails_helper.rb
@@ -4,6 +4,7 @@
 # 1. The white spacing in this file matters!
 # 2. Keep all #{some_var} fully to the left so that all indentation is done evenly in that var
 require "react_on_rails/prerender_error"
+require "addressable/uri"
 
 module ReactOnRailsHelper
   # The env_javascript_include_tag and env_stylesheet_link_tag support the usage of a webpack
diff --git a/lib/react_on_rails/test_helper.rb b/lib/react_on_rails/test_helper.rb
index d831750ec..1fcb50b17 100644
--- a/lib/react_on_rails/test_helper.rb
+++ b/lib/react_on_rails/test_helper.rb
@@ -64,8 +64,7 @@ def self.ensure_assets_compiled(webpack_assets_status_checker: nil,
         webpack_assets_status_checker ||=
           WebpackAssetsStatusChecker.new(client_dir: client_dir,
                                          generated_assets_dir: generated_assets_dir,
-                                         webpack_generated_files: webpack_generated_files
-                                        )
+                                         webpack_generated_files: webpack_generated_files)
 
         unless @printed_once
           puts
diff --git a/lib/react_on_rails/test_helper/ensure_assets_compiled.rb b/lib/react_on_rails/test_helper/ensure_assets_compiled.rb
index 80c97cc8f..187fac313 100644
--- a/lib/react_on_rails/test_helper/ensure_assets_compiled.rb
+++ b/lib/react_on_rails/test_helper/ensure_assets_compiled.rb
@@ -35,7 +35,7 @@ def call
         # Inform the developer that we're ensuring gen assets are ready.
         puts_start_compile_check_message(stale_gen_files)
 
-        webpack_assets_compiler.compile_assets
+        webpack_assets_compiler.compile_asseta
       end
 
       def puts_start_compile_check_message(stale_files)
diff --git a/lib/react_on_rails/version.rb b/lib/react_on_rails/version.rb
index 253630b89..ca9815d7c 100644
--- a/lib/react_on_rails/version.rb
+++ b/lib/react_on_rails/version.rb
@@ -1,4 +1,4 @@
 # frozen_string_literal: true
 module ReactOnRails
-  VERSION = "5.2.0".freeze
+  VERSION = "6.0.0.beta.2".freeze
 end
diff --git a/lib/tasks/assets.rake b/lib/tasks/assets.rake
index 1ace9d05f..f0f1184bc 100644
--- a/lib/tasks/assets.rake
+++ b/lib/tasks/assets.rake
@@ -21,10 +21,9 @@ end
 
 namespace :react_on_rails do
   namespace :assets do
-
-    if ReactOnRails.configuration.symlink_non_digested_assets_regex
-      desc "Creates non-digested symlinks for the assets in the public asset dir"
-      task symlink_non_digested_assets: :"assets:environment" do
+    desc "Creates non-digested symlinks for the assets in the public asset dir"
+    task symlink_non_digested_assets: :"assets:environment" do
+      if ReactOnRails.configuration.symlink_non_digested_assets_regex
         manifest_path = Dir.glob(ReactOnRails::assets_path.join(".sprockets-manifest-*.json"))
                           .first
         manifest_data = JSON.load(File.new(manifest_path))
@@ -42,74 +41,78 @@ namespace :react_on_rails do
           end
         end
       end
+    end
 
-      desc "Cleans all broken symlinks for the assets in the public asset dir"
-      task delete_broken_symlinks: :"assets:environment" do
-        Dir.glob(ReactOnRails::assets_path.join("*")).each do |filename|
-          if File.lstat(filename).symlink?
-            begin
-              target = File.readlink(filename)
-            rescue
-              puts "React on Rails: Warning: your platform doesn't support File::readlink method."/
-                     "Skipping broken link check."
-              return
-            end
-            path = Pathname.new(File.dirname(filename))
-            target_path = path.join(target)
-            unless File.exist?(target_path)
-              puts "React on Rails: Deleting broken link: #{filename}"
-              File.delete(filename)
-            end
+    desc "Cleans all broken symlinks for the assets in the public asset dir"
+    task delete_broken_symlinks: :"assets:environment" do
+      Dir.glob(ReactOnRails::assets_path.join("*")).each do |filename|
+        if File.lstat(filename).symlink?
+          begin
+            target = File.readlink(filename)
+          rescue
+            puts "React on Rails: Warning: your platform doesn't support File::readlink method."/
+                   "Skipping broken link check."
+            return
+          end
+          path = Pathname.new(File.dirname(filename))
+          target_path = path.join(target)
+          unless File.exist?(target_path)
+            puts "React on Rails: Deleting broken link: #{filename}"
+            File.delete(filename)
           end
         end
       end
     end
 
-
-    # We might need the clear_prerequisites (delete after testing without)
-    # Rake::Task["assets:precompile"]
-    #   .clear_prerequisites
-    #   .enhance(["assets:compile_environment"])
-
-    if ReactOnRails.configuration.npm_build_production_command.present?
-      # In this task, set prerequisites for the assets:precompile task
-      desc <<-DESC
+    # In this task, set prerequisites for the assets:precompile task
+    desc <<-DESC
 Create webpack assets before calling assets:environment
 The webpack task must run before assets:environment task.
 Otherwise Sprockets cannot find the files that webpack produces.
 This is the secret sauce for how a Heroku deployment knows to create the webpack generated JavaScript files.
-      DESC
-      task compile_environment: :webpack do
-        Rake::Task["assets:environment"].invoke
-      end
+    DESC
+    task compile_environment: :webpack do
+      Rake::Task["assets:environment"].invoke
+    end
 
-      desc <<-DESC
+    desc <<-DESC
 Compile assets with webpack
 Uses command defined with ReactOnRails.configuration.npm_build_production_command
-sh "cd client && #{ReactOnRails.configuration.npm_build_production_command}"
-      DESC
-      task :webpack do
+sh "cd client && `ReactOnRails.configuration.npm_build_production_command`"
+    DESC
+    task webpack: :environment do
+      if ReactOnRails.configuration.npm_build_production_command.present?
         sh "cd client && #{ReactOnRails.configuration.npm_build_production_command}"
       end
+    end
 
-      desc "Delete assets created with webpack, in #{ReactOnRails.configuration.generated_assets_dir}"
-      task :clobber do
+    desc "Delete assets created with webpack, in the generated assetst directory (/app/assets/webpack)"
+    task clobber: :environment do
+      dir = Rails.root.join(ReactOnRails.configuration.generated_assets_dir)
+      if dir.present? && File.directory?(dir)
+        puts "Deleting files in directory #{dir}"
         rm_r Dir.glob(Rails.root.join("#{ReactOnRails.configuration.generated_assets_dir}/*"))
+      else
+        puts "Could not find dir #{dir}"
       end
     end
   end
 end
 
-if ReactOnRails.configuration.symlink_non_digested_assets_regex
-  Rake::Task["assets:precompile"].enhance do
-    Rake::Task["react_on_rails:assets:symlink_non_digested_assets"].invoke
-    Rake::Task["react_on_rails:assets:delete_broken_symlinks"].invoke
-  end
-end
-
-if ReactOnRails.configuration.npm_build_production_command.present?
-  Rake::Task["assets:precompile"].enhance do
-    Rake::Task["react_on_rails:assets:compile_environment"].invoke
-  end
-end
+# These tasks run as pre-requisites of assets:precompile.
+# Note, it's not possible to refer to ReactOnRails configuration values at this point.
+Rake::Task["assets:precompile"]
+  .clear_prerequisites
+  .enhance([:environment,
+            "react_on_rails:assets:compile_environment",
+            "react_on_rails:assets:symlink_non_digested_assets",
+            "react_on_rails:assets:delete_broken_symlinks"])
 
+# puts "Enhancing assets:precompile with react_on_rails:assets:compile_environment"
+# Rake::Task["assets:precompile"]
+#   .clear_prerequisites
+#   .enhance([:environment]) do
+#   Rake::Task["react_on_rails:assets:compile_environment"].invoke
+#   Rake::Task["react_on_rails:assets:symlink_non_digested_assets"].invoke
+#   Rake::Task["react_on_rails:assets:delete_broken_symlinks"].invoke
+# end
diff --git a/package.json b/package.json
index a0415bd3d..c15a67098 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "react-on-rails",
-  "version": "5.2.0",
+  "version": "6.0.0-beta.2",
   "description": "react-on-rails JavaScript for react_on_rails Ruby gem",
   "main": "node_package/lib/ReactOnRails.js",
   "directories": {
diff --git a/spec/dummy/Gemfile.lock b/spec/dummy/Gemfile.lock
index d74e863d3..cba94d3e3 100644
--- a/spec/dummy/Gemfile.lock
+++ b/spec/dummy/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: ../..
   specs:
-    react_on_rails (5.2.0)
+    react_on_rails (6.0.0.beta.2)
       addressable
       connection_pool
       execjs (~> 2.5)
diff --git a/spec/dummy/config/initializers/react_on_rails.rb b/spec/dummy/config/initializers/react_on_rails.rb
index 9cf9c9714..6e2e87ec5 100644
--- a/spec/dummy/config/initializers/react_on_rails.rb
+++ b/spec/dummy/config/initializers/react_on_rails.rb
@@ -27,11 +27,6 @@ def self.custom_context(view_context)
   # to automatically refresh your webpack assets on every test run.
   config.npm_build_test_command = "npm run build:test"
 
-  # If you are using the ReactOnRails::TestHelper.configure_rspec_to_compile_assets(config)
-  # with rspec then this controls what npm command is run
-  # to automatically refresh your webpack assets on every test run.
-  config.npm_build_test_command = "npm run build:test"
-
   # This configures the script to run to build the production assets by webpack. Set this to nil
   # if you don't want react_on_rails building this file for you.
   config.npm_build_production_command = "npm run build:production"
diff --git a/spec/react_on_rails/test_helper/ensure_assets_compiled_spec.rb b/spec/react_on_rails/test_helper/ensure_assets_compiled_spec.rb
index 7a9eb664b..4898f4500 100644
--- a/spec/react_on_rails/test_helper/ensure_assets_compiled_spec.rb
+++ b/spec/react_on_rails/test_helper/ensure_assets_compiled_spec.rb
@@ -29,7 +29,8 @@
     def invoke_ensurer_with_doubles
       ReactOnRails::TestHelper.ensure_assets_compiled(
         webpack_assets_status_checker: assets_checker,
-        webpack_assets_compiler: compiler)
+        webpack_assets_compiler: compiler
+      )
     end
 
     def double_assets_checker(args = {})