diff --git a/.github/workflows/linters.yml b/.github/workflows/linters.yml
index 591049a..9185aa3 100644
--- a/.github/workflows/linters.yml
+++ b/.github/workflows/linters.yml
@@ -2,38 +2,35 @@
 name: Linters
 
 on:
-  push:
-    branches:
-      - main
   pull_request:
+    branches: [main]
+  push:
+    branches: [main]
 
 jobs:
   reviewdog:
-    name: reviewdog
+    name: Reviewdog
     runs-on: ubuntu-latest
 
-    strategy:
-      matrix:
-        ruby: ['3.0']
-
     env:
-      RUBY_VERSION: ${{ matrix.ruby }}
+      RAILS_VERSION: 7.0
 
     steps:
-      - name: Check out code
+      - name: Checkout repository
         uses: actions/checkout@v4
 
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: ${{ matrix.ruby }}
+          ruby-version: 3.0
           bundler-cache: true
 
-      - uses: reviewdog/action-setup@v1
+      - name: Set up Reviewdog
+        uses: reviewdog/action-setup@v1
         with:
           reviewdog_version: latest
 
-      - name: Run reviewdog
+      - name: Run Reviewdog
         env:
           REVIEWDOG_GITHUB_API_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         run: |
diff --git a/.github/workflows/specs_rails61.yml b/.github/workflows/specs_rails61.yml
index d4706c1..258909d 100644
--- a/.github/workflows/specs_rails61.yml
+++ b/.github/workflows/specs_rails61.yml
@@ -1,24 +1,23 @@
 ---
-name: Specs Rails 6.1
+name: Specs Rails 6.1 with ActiveAdmin 2.9
 
 on:
-  push:
-    branches:
-      - main
   pull_request:
-    branches:
-      - main
+    branches: [main]
+  push:
+    branches: [main]
 
 jobs:
-  tests:
+  test:
     runs-on: ubuntu-latest
 
     strategy:
       matrix:
-        ruby: ['3.0', '3.1']
+        ruby: ['3.0']
 
     env:
-      RAILS_VERSION: 6.1.0
+      RAILS_VERSION: 6.0
+      ACTIVEADMIN_VERSION: 2.9.0
 
     steps:
       - name: Checkout repository
@@ -30,6 +29,9 @@ jobs:
           ruby-version: ${{ matrix.ruby }}
           bundler-cache: true
 
+      - name: Database setup
+        run: bin/rails db:create db:migrate db:test:prepare
+
       - name: Run tests
         run: bundle exec rspec --profile
 
diff --git a/.github/workflows/specs_rails70.yml b/.github/workflows/specs_rails70.yml
index 8632fed..4ca1c9f 100644
--- a/.github/workflows/specs_rails70.yml
+++ b/.github/workflows/specs_rails70.yml
@@ -2,23 +2,21 @@
 name: Specs Rails 7.0
 
 on:
-  push:
-    branches:
-      - main
   pull_request:
-    branches:
-      - main
+    branches: [main]
+  push:
+    branches: [main]
 
 jobs:
-  tests:
+  test:
     runs-on: ubuntu-latest
 
     strategy:
       matrix:
-        ruby: ['3.1']
+        ruby: ['3.0', '3.2']
 
     env:
-      RAILS_VERSION: 7.0.0
+      RAILS_VERSION: 7.0
 
     steps:
       - name: Checkout repository
@@ -30,6 +28,9 @@ jobs:
           ruby-version: ${{ matrix.ruby }}
           bundler-cache: true
 
+      - name: Database setup
+        run: bin/rails db:create db:migrate db:test:prepare
+
       - name: Run tests
         run: bundle exec rspec --profile
 
diff --git a/.github/workflows/specs_rails71.yml b/.github/workflows/specs_rails71.yml
index 6ed29a5..6817c31 100644
--- a/.github/workflows/specs_rails71.yml
+++ b/.github/workflows/specs_rails71.yml
@@ -2,23 +2,21 @@
 name: Specs Rails 7.1
 
 on:
-  push:
-    branches:
-      - main
   pull_request:
-    branches:
-      - main
+    branches: [main]
+  push:
+    branches: [main]
 
 jobs:
-  tests:
+  test:
     runs-on: ubuntu-latest
 
     strategy:
       matrix:
-        ruby: ['3.2']
+        ruby: ['3.2', '3.4']
 
     env:
-      RAILS_VERSION: 7.1.0
+      RAILS_VERSION: 7.1
 
     steps:
       - name: Checkout repository
@@ -30,6 +28,9 @@ jobs:
           ruby-version: ${{ matrix.ruby }}
           bundler-cache: true
 
+      - name: Database setup
+        run: bin/rails db:create db:migrate db:test:prepare
+
       - name: Run tests
         run: bundle exec rspec --profile
 
diff --git a/.github/workflows/specs_rails72.yml b/.github/workflows/specs_rails72.yml
index 5bd955d..0937f06 100644
--- a/.github/workflows/specs_rails72.yml
+++ b/.github/workflows/specs_rails72.yml
@@ -2,15 +2,13 @@
 name: Specs Rails 7.2
 
 on:
-  push:
-    branches:
-      - main
   pull_request:
-    branches:
-      - main
+    branches: [main]
+  push:
+    branches: [main]
 
 jobs:
-  tests:
+  test:
     runs-on: ubuntu-latest
 
     strategy:
@@ -18,7 +16,7 @@ jobs:
         ruby: ['3.2', '3.4']
 
     env:
-      RAILS_VERSION: 7.2.0
+      RAILS_VERSION: 7.2
 
     steps:
       - name: Checkout repository
@@ -30,6 +28,9 @@ jobs:
           ruby-version: ${{ matrix.ruby }}
           bundler-cache: true
 
+      - name: Database setup
+        run: bin/rails db:create db:migrate db:test:prepare
+
       - name: Run tests
         run: bundle exec rspec --profile
 
diff --git a/.github/workflows/specs_rails80.yml b/.github/workflows/specs_rails80.yml
index 3c8c838..a40312a 100644
--- a/.github/workflows/specs_rails80.yml
+++ b/.github/workflows/specs_rails80.yml
@@ -2,23 +2,21 @@
 name: Specs Rails 8.0
 
 on:
-  push:
-    branches:
-      - main
   pull_request:
-    branches:
-      - main
+    branches: [main]
+  push:
+    branches: [main]
 
 jobs:
-  tests:
+  test:
     runs-on: ubuntu-latest
 
     strategy:
       matrix:
-        ruby: ['3.2', '3.3', '3.4']
+        ruby: ['3.2', '3.4']
 
     env:
-      RAILS_VERSION: 8.0.0
+      RAILS_VERSION: 8.0
 
     steps:
       - name: Checkout repository
@@ -30,6 +28,9 @@ jobs:
           ruby-version: ${{ matrix.ruby }}
           bundler-cache: true
 
+      - name: Database setup
+        run: bin/rails db:create db:migrate db:test:prepare
+
       - name: Run tests
         run: bundle exec rspec --profile
 
diff --git a/.gitignore b/.gitignore
index 0056dbd..a643ffd 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,6 +8,7 @@
 /_misc/
 /coverage/
 /spec/dummy/db/*.sqlite3*
+/spec/dummy/db/schema-dev.rb
 /spec/dummy/log/
 /spec/dummy/storage/
 /spec/dummy/tmp/
diff --git a/Gemfile b/Gemfile
index 7fa953f..b6fe800 100644
--- a/Gemfile
+++ b/Gemfile
@@ -2,6 +2,12 @@
 
 source 'https://rubygems.org'
 
+def eval_version(dependency, version)
+  return [dependency] if version.empty?
+
+  version.count('.') < 2 ? [dependency, "~> #{version}.0"] : [dependency, version]
+end
+
 if ENV['DEVEL'] == '1'
   gem 'activeadmin_quill_editor', path: './'
 else
@@ -9,20 +15,22 @@ else
 end
 
 ruby_ver = ENV.fetch('RUBY_VERSION', '')
-rails_ver = ENV.fetch('RAILS_VERSION', '')
-activeadmin_ver = ENV.fetch('ACTIVEADMIN_VERSION', '')
 
-rails = rails_ver.empty? ? ['rails'] : ['rails', "~> #{rails_ver}"]
+rails_ver = ENV.fetch('RAILS_VERSION', '')
+rails = eval_version('rails', rails_ver)
 gem(*rails)
 
-activeadmin = activeadmin_ver.empty? ? ['activeadmin'] : ['activeadmin', "~> #{activeadmin_ver}"]
-gem(*activeadmin)
+active_admin_ver = ENV.fetch('ACTIVEADMIN_VERSION', '')
+active_admin = eval_version('activeadmin', active_admin_ver)
+gem(*active_admin)
 
-ruby32 = Gem::Version.new(ruby_ver) >= Gem::Version.new('3.2')
-rails72 = Gem::Version.new(rails_ver) >= Gem::Version.new('7.2')
-sqlite3 = ruby32 || rails72 ? ['sqlite3'] : ['sqlite3', '~> 1.4']
+ruby32 = ruby_ver.empty? || Gem::Version.new(ruby_ver) >= Gem::Version.new('3.2')
+rails72 = rails_ver.empty? || Gem::Version.new(rails_ver) >= Gem::Version.new('7.2')
+sqlite3 = ruby32 && rails72 ? ['sqlite3'] : ['sqlite3', '~> 1.4']
 gem(*sqlite3)
 
+gem 'zeitwerk', '~> 2.6.18' unless ruby32
+
 # NOTE: to avoid error: uninitialized constant ActiveSupport::LoggerThreadSafeLevel::Logger
 gem 'concurrent-ruby', '1.3.4'
 
@@ -39,7 +47,6 @@ gem 'capybara'
 gem 'cuprite'
 gem 'rspec_junit_formatter'
 gem 'rspec-rails'
-gem 'rspec-retry'
 gem 'simplecov', require: false
 
 # Linters
diff --git a/Makefile b/Makefile
index 780d3fb..7eb4207 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,14 @@
 include extra/.env
 
 help:
-	@echo "Main targets: build / specs / up / server / specs / shell"
+	@echo -e "${COMPOSE_PROJECT_NAME} - Main project commands:\n\
+		make up   	# starts the dev services (optional env vars: RUBY / RAILS / ACTIVEADMIN)\n\
+		make specs	# run the tests (after up)\n\
+		make lint 	# run the linters (after up)\n\
+		make server	# run the server (after up)\n\
+		make shell	# open a shell (after up)\n\
+		make down 	# cleanup (after up)\n\
+	Example: RUBY=3.2 RAILS=7.1 ACTIVEADMIN=3.2.0 make up"
 
 # System commands
 
@@ -10,7 +17,7 @@ build:
 	@docker compose -f extra/docker-compose.yml build
 
 db_reset:
-	@docker compose -f extra/docker-compose.yml run --rm app bin/rails db:reset db:test:prepare
+	@docker compose -f extra/docker-compose.yml run --rm app bin/rails db:create db:migrate db:test:prepare
 
 up: build db_reset
 	@docker compose -f extra/docker-compose.yml up
@@ -23,13 +30,16 @@ down:
 
 # App commands
 
-console:
+seed:
+	@docker compose -f extra/docker-compose.yml exec app bin/rails db:seed
+
+console: seed
 	@docker compose -f extra/docker-compose.yml exec app bin/rails console
 
 lint:
 	@docker compose -f extra/docker-compose.yml exec app bin/rubocop
 
-server:
+server: seed
 	@docker compose -f extra/docker-compose.yml exec app bin/rails server -b 0.0.0.0 -p ${SERVER_PORT}
 
 specs:
diff --git a/extra/Dockerfile b/extra/Dockerfile
index e515d1e..bea3373 100644
--- a/extra/Dockerfile
+++ b/extra/Dockerfile
@@ -26,6 +26,6 @@ ENV ACTIVEADMIN_VERSION=$ACTIVEADMIN_VERSION
 WORKDIR /app
 COPY . /app
 RUN bundle install
-RUN mkdir -p /app/spec/dummy/db && chown -R app:app /app/spec/dummy/db /usr/local/bundle
+RUN chown -R app:app /usr/local/bundle
 
 RUN ln -s /app/extra/.bashrc /home/app/.bashrc
diff --git a/extra/dev_setup.sh b/extra/dev_setup.sh
index adea0b4..a3d279a 100755
--- a/extra/dev_setup.sh
+++ b/extra/dev_setup.sh
@@ -4,5 +4,3 @@ export DEVEL=1
 
 export RAILS_VERSION=7.2.2.1
 export ACTIVEADMIN_VERSION=3.3.0
-
-export RAILS_ENV=development
diff --git a/extra/development.md b/extra/development.md
index 897b504..3f8733c 100644
--- a/extra/development.md
+++ b/extra/development.md
@@ -1,29 +1,21 @@
 ## Development
 
-Overcommit can be used to ensure that Conventional commits are good.
-
 ### Dev setup
 
-There 2 ways to interact with this project:
+There are 2 ways to interact with this project:
 
 1) Using Docker:
 
 ```sh
-# Run rails server on the dummy app (=> http://localhost:3000 to access to ActiveAdmin):
-make up
-# Enter in a Rails console (with the dummy app started):
-make console
-# Enter in a shell (with the dummy app started):
-make shell
-# Run the linter on the project (with the dummy app started):
-make lint
-# Run the test suite (with the dummy app started):
-make specs
-# Remove container and image:
-make cleanup
-# To try different versions of Ruby/Rails/ActiveAdmin:
-RUBY=3.2 RAILS=7.1.0 ACTIVEADMIN=3.2.0 make up
-# For more commands please check the Makefile
+make up         # starts the dev services (optional env vars: RUBY / RAILS / ACTIVEADMIN)
+make specs      # run the tests (after up)
+make lint       # run the linters (after up)
+make server     # run the server (after up)
+make shell      # open a shell (after up)
+make down       # cleanup (after up)
+
+# Example using specific versions:
+RUBY=3.2 RAILS=7.1 ACTIVEADMIN=3.2.0 make up
 ```
 
 2) With a local setup:
diff --git a/extra/docker-compose.yml b/extra/docker-compose.yml
index 8879307..020b70f 100644
--- a/extra/docker-compose.yml
+++ b/extra/docker-compose.yml
@@ -4,10 +4,10 @@ services:
       context: ..
       dockerfile: extra/Dockerfile
       args:
-        ACTIVEADMIN_VERSION: ${ACTIVEADMIN:-}
         BUNDLER_VERSION: ${BUNDLER_VERSION}
-        RAILS_VERSION: ${RAILS:-}
         RUBY_IMAGE: ruby:${RUBY:-3.4}-slim
+        RAILS_VERSION: ${RAILS:-}
+        ACTIVEADMIN_VERSION: ${ACTIVEADMIN:-}
         UID: ${UID}
     user: ${UID}:${GID}
     ports:
diff --git a/spec/dummy/app/admin/posts.rb b/spec/dummy/app/admin/posts.rb
index 7588c96..cd7f32f 100644
--- a/spec/dummy/app/admin/posts.rb
+++ b/spec/dummy/app/admin/posts.rb
@@ -44,7 +44,7 @@
       f.input :author
       f.input :title
       f.input :summary, as: :quill_editor, input_html: { data: { options: { modules: { toolbar: toolbar } } } }
-      f.input :description, as: :quill_editor, input_html: { data: { options: { modules: { toolbar: toolbar } } } }
+      f.input :description, as: :quill_editor # using default options
       f.input :category
       f.input :dt
       f.input :position
diff --git a/spec/dummy/app/admin/tags.rb b/spec/dummy/app/admin/tags.rb
index d4749f1..09beb57 100644
--- a/spec/dummy/app/admin/tags.rb
+++ b/spec/dummy/app/admin/tags.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
 
 ActiveAdmin.register Tag do
+  permit_params :name
 end
diff --git a/spec/dummy/app/models/post.rb b/spec/dummy/app/models/post.rb
index 3eb4c23..2dd30a5 100644
--- a/spec/dummy/app/models/post.rb
+++ b/spec/dummy/app/models/post.rb
@@ -1,8 +1,6 @@
 # frozen_string_literal: true
 
 class Post < ApplicationRecord
-  # enum state: %i[available unavailable arriving]
-
   belongs_to :author, inverse_of: :posts, autosave: true
 
   has_one :author_profile, through: :author, source: :profile
@@ -28,12 +26,12 @@ def upper_title
   end
 
   class << self
-    def ransackable_attributes(auth_object = nil)
-      %w[author_id category created_at description dt id position published summary title updated_at]
+    def ransackable_associations(_auth_object = nil)
+      %w[author author_profile post_tags tags images_attachments images_blobs]
     end
 
-    def ransackable_associations(auth_object = nil)
-      %w[author author_profile images_attachments images_blobs post_tags tags]
+    def ransackable_attributes(_auth_object = nil)
+      %w[author_id category created_at description dt id position published title summary updated_at]
     end
   end
 end
diff --git a/spec/dummy/app/models/profile.rb b/spec/dummy/app/models/profile.rb
index d6f373d..5f283c6 100644
--- a/spec/dummy/app/models/profile.rb
+++ b/spec/dummy/app/models/profile.rb
@@ -3,14 +3,12 @@
 class Profile < ApplicationRecord
   belongs_to :author, inverse_of: :profile, touch: true
 
-  # has_rich_text :description
-
-  # def to_s
-  #   description
-  # end
+  def to_s
+    description
+  end
 
   class << self
-    def ransackable_associations(auth_object = nil)
+    def ransackable_associations(_auth_object = nil)
       %w[author]
     end
 
diff --git a/spec/dummy/config/application.rb b/spec/dummy/config/application.rb
index 7107cdb..2be147b 100644
--- a/spec/dummy/config/application.rb
+++ b/spec/dummy/config/application.rb
@@ -1,26 +1,23 @@
 require_relative 'boot'
 
 require 'rails/all'
-require 'sprockets/railtie'
 
 Bundler.require(*Rails.groups)
 
 module Dummy
   class Application < Rails::Application
-    # Initialize configuration defaults for originally generated Rails version.
-    config.load_defaults 6.0 if Rails::VERSION::MAJOR == 6
+    config.load_defaults Rails::VERSION::STRING.to_f
 
-    # Settings in config/environments/* take precedence over those specified here.
-    # Application configuration can go into files in config/initializers
-    # -- all .rb files in that directory are automatically loaded after loading
-    # the framework and any gems in your application.
+    config.active_support.deprecation = :raise
 
-    ###
-
-    config.active_record.legacy_connection_handling = false if Gem::Version.new(Rails.version) < Gem::Version.new('7.1')
+    if Gem::Version.new(Rails.version) < Gem::Version.new('7.1')
+      config.active_record.legacy_connection_handling = false
+    end
 
-    config.before_configuration do
-      ActiveSupport::Cache.format_version = 7.0 if Gem::Version.new(Rails.version) > Gem::Version.new('7.0')
+    if Gem::Version.new(Rails.version) > Gem::Version.new('7.0')
+      config.before_configuration do
+        ActiveSupport::Cache.format_version = 7.0
+      end
     end
   end
 end
diff --git a/spec/dummy/config/database.yml b/spec/dummy/config/database.yml
index 58e2f54..9cf0a49 100644
--- a/spec/dummy/config/database.yml
+++ b/spec/dummy/config/database.yml
@@ -6,7 +6,7 @@ default: &default
 development:
   <<: *default
   database: db/development.sqlite3
-  schema_dump: schema_development.rb
+  schema_dump: schema-dev.rb
 
 test:
   <<: *default
diff --git a/spec/dummy/config/initializers/active_storage.rb b/spec/dummy/config/initializers/active_storage.rb
index 1a03b5b..c32e30e 100644
--- a/spec/dummy/config/initializers/active_storage.rb
+++ b/spec/dummy/config/initializers/active_storage.rb
@@ -1,7 +1,9 @@
-ActiveSupport::Reloader.to_prepare do
+Rails.application.reloader.to_prepare do
   ActiveStorage::Attachment.class_eval do
-    def self.ransackable_attributes(auth_object = nil)
-      %w[blob_id created_at id name record_id record_type]
+    class << self
+      def ransackable_attributes(auth_object = nil)
+        %w[blob_id created_at id name record_id record_type]
+      end
     end
   end
 end
diff --git a/spec/dummy/db/schema_development.rb b/spec/dummy/db/schema_development.rb
deleted file mode 100644
index 4ea933c..0000000
--- a/spec/dummy/db/schema_development.rb
+++ /dev/null
@@ -1,99 +0,0 @@
-# This file is auto-generated from the current state of the database. Instead
-# of editing this file, please use the migrations feature of Active Record to
-# incrementally modify your database, and then regenerate this schema definition.
-#
-# This file is the source Rails uses to define your schema when running `bin/rails
-# db:schema:load`. When creating a new database, `bin/rails db:schema:load` tends to
-# be faster and is potentially less error prone than running all of your
-# migrations from scratch. Old migrations may fail to apply correctly if those
-# migrations use external dependencies or application code.
-#
-# It's strongly recommended that you check this file into your version control system.
-
-ActiveRecord::Schema.define(version: 2018_06_07_053739) do
-  create_table "active_admin_comments", force: :cascade do |t|
-    t.string "namespace"
-    t.text "body"
-    t.string "resource_type"
-    t.integer "resource_id"
-    t.string "author_type"
-    t.integer "author_id"
-    t.datetime "created_at", null: false
-    t.datetime "updated_at", null: false
-    t.index ["author_type", "author_id"], name: "index_active_admin_comments_on_author_type_and_author_id"
-    t.index ["namespace"], name: "index_active_admin_comments_on_namespace"
-    t.index ["resource_type", "resource_id"], name: "index_active_admin_comments_on_resource_type_and_resource_id"
-  end
-
-  create_table "active_storage_attachments", force: :cascade do |t|
-    t.string "name", null: false
-    t.string "record_type", null: false
-    t.integer "record_id", null: false
-    t.integer "blob_id", null: false
-    t.datetime "created_at", precision: nil, null: false
-    t.index ["blob_id"], name: "index_active_storage_attachments_on_blob_id"
-    t.index ["record_type", "record_id", "name", "blob_id"], name: "index_active_storage_attachments_uniqueness", unique: true
-  end
-
-  create_table "active_storage_blobs", force: :cascade do |t|
-    t.string "key", null: false
-    t.string "filename", null: false
-    t.string "content_type"
-    t.text "metadata"
-    t.bigint "byte_size", null: false
-    t.string "checksum", null: false
-    t.datetime "created_at", precision: nil, null: false
-    t.index ["key"], name: "index_active_storage_blobs_on_key", unique: true
-  end
-
-  create_table "authors", force: :cascade do |t|
-    t.string "name"
-    t.integer "age"
-    t.string "email"
-    t.datetime "created_at", precision: nil, null: false
-    t.datetime "updated_at", precision: nil, null: false
-  end
-
-  create_table "post_tags", force: :cascade do |t|
-    t.integer "post_id"
-    t.integer "tag_id"
-    t.datetime "created_at", precision: nil, null: false
-    t.datetime "updated_at", precision: nil, null: false
-    t.index ["post_id"], name: "index_post_tags_on_post_id"
-    t.index ["tag_id"], name: "index_post_tags_on_tag_id"
-  end
-
-  create_table "posts", force: :cascade do |t|
-    t.string "title"
-    t.text "summary"
-    t.text "description"
-    t.integer "author_id"
-    t.string "category"
-    t.datetime "dt", precision: nil
-    t.float "position"
-    t.boolean "published"
-    t.datetime "created_at", precision: nil, null: false
-    t.datetime "updated_at", precision: nil, null: false
-    t.index ["author_id"], name: "index_posts_on_author_id"
-  end
-
-  create_table "profiles", force: :cascade do |t|
-    t.text "description"
-    t.integer "author_id"
-    t.datetime "created_at", precision: nil, null: false
-    t.datetime "updated_at", precision: nil, null: false
-    t.index ["author_id"], name: "index_profiles_on_author_id"
-  end
-
-  create_table "tags", force: :cascade do |t|
-    t.string "name"
-    t.datetime "created_at", precision: nil, null: false
-    t.datetime "updated_at", precision: nil, null: false
-  end
-
-  add_foreign_key "active_storage_attachments", "active_storage_blobs", column: "blob_id"
-  add_foreign_key "post_tags", "posts"
-  add_foreign_key "post_tags", "tags"
-  add_foreign_key "posts", "authors"
-  add_foreign_key "profiles", "authors"
-end
diff --git a/spec/dummy/db/seeds.rb b/spec/dummy/db/seeds.rb
index 48a94e1..acc6e83 100644
--- a/spec/dummy/db/seeds.rb
+++ b/spec/dummy/db/seeds.rb
@@ -7,7 +7,8 @@
 (11..20).each do |i|
   age = 21 + 3 * (i - 10)
   attrs = { name: "Author #{i}", age: age, email: "some@email#{i}.com" }
-  Author.find_or_create_by!(attrs) do |author|
+  Author.find_or_create_by!(name: "Author #{i}") do |author|
+    author.assign_attributes(attrs)
     author.profile = Profile.new(description: "Profile description for Author #{i}") if (i % 3).zero?
   end
 end
@@ -19,6 +20,8 @@
     title: "Post #{i}",
     author_id: authors.sample,
     position: rand(100),
+    summary: "<p><em>Summary</em> for post #{i}</p>",
+    description: "<p><strong>Some bold</strong> <em>Some italic</em> <u>Some underline</u> [#{i}]</p>",
     created_at: Time.now - rand(3600).seconds
   }
   attrs[:category] = 'news' if (i % 4).zero?
diff --git a/spec/page_objects/admin/authors/edit_page.rb b/spec/page_objects/admin/authors/edit_page.rb
index 542ed12..5564340 100644
--- a/spec/page_objects/admin/authors/edit_page.rb
+++ b/spec/page_objects/admin/authors/edit_page.rb
@@ -1,7 +1,5 @@
 # frozen_string_literal: true
 
-require_relative '../../base_page'
-
 module Admin
   module Authors
     class EditPage < BasePage
diff --git a/spec/page_objects/admin/posts/edit_page.rb b/spec/page_objects/admin/posts/edit_page.rb
index 2c2d49d..f42c47b 100644
--- a/spec/page_objects/admin/posts/edit_page.rb
+++ b/spec/page_objects/admin/posts/edit_page.rb
@@ -1,7 +1,5 @@
 # frozen_string_literal: true
 
-require_relative '../../base_page'
-
 module Admin
   module Posts
     class EditPage < BasePage
diff --git a/spec/page_objects/base_page.rb b/spec/page_objects/base_page.rb
index 861d7aa..83c80d6 100644
--- a/spec/page_objects/base_page.rb
+++ b/spec/page_objects/base_page.rb
@@ -12,4 +12,8 @@ def initialize(path:)
   def load
     visit(path)
   end
+
+  def lookup_editor(editor_container:)
+    @editor = Shared::QuillEditor.new(editor_container)
+  end
 end
diff --git a/spec/page_objects/shared/html_editor.rb b/spec/page_objects/shared/html_editor.rb
index b8233ed..d74b934 100644
--- a/spec/page_objects/shared/html_editor.rb
+++ b/spec/page_objects/shared/html_editor.rb
@@ -1,35 +1,35 @@
 # frozen_string_literal: true
 
-require_relative '../base_object'
+module Shared
+  class HtmlEditor < BaseObject
+    def content_element
+      raise NotImplementedError
+    end
 
-class HtmlEditor < BaseObject
-  def content_element
-    raise NotImplementedError
-  end
-
-  def clear
-    select_all
-    content_element.send_keys(:delete)
-    self
-  end
+    def clear
+      select_all
+      content_element.send_keys(:delete)
+      self
+    end
 
-  # @return [self]
-  def open_dropdown
-    raise NotImplementedError
-  end
+    # @return [self]
+    def open_dropdown
+      raise NotImplementedError
+    end
 
-  def select_all
-    content_element.send_keys([:control, "a"])
-    self
-  end
+    def select_all
+      content_element.send_keys([:control, "a"])
+      self
+    end
 
-  def toolbar_control(control, ...)
-    send(:"toggle_#{control}", ...)
-    self
-  end
+    def toolbar_control(control, ...)
+      send(:"toggle_#{control}", ...)
+      self
+    end
 
-  def <<(content)
-    content_element.send_keys(content)
-    self
+    def <<(content)
+      content_element.send_keys(content)
+      self
+    end
   end
 end
diff --git a/spec/page_objects/shared/quill_editor.rb b/spec/page_objects/shared/quill_editor.rb
index cc59586..54bfe72 100644
--- a/spec/page_objects/shared/quill_editor.rb
+++ b/spec/page_objects/shared/quill_editor.rb
@@ -1,44 +1,46 @@
 # frozen_string_literal: true
 
-class QuillEditor < HtmlEditor
-  SELECTOR = '.ql-container'
-  TOOLBAR_SELECTOR = '.ql-toolbar'
+module Shared
+  class QuillEditor < HtmlEditor
+    SELECTOR = '.ql-container'
+    TOOLBAR_SELECTOR = '.ql-toolbar'
 
-  attr_reader :toolbar, :toolbar_selector
+    attr_reader :toolbar, :toolbar_selector
 
-  def initialize(selector: SELECTOR, toolbar_selector: TOOLBAR_SELECTOR)
-    super(selector: selector)
-    @toolbar = find(toolbar_selector)
-    @toolbar_selector = toolbar_selector
-  end
+    def initialize(selector: SELECTOR, toolbar_selector: TOOLBAR_SELECTOR)
+      super(selector: selector)
+      @toolbar = find(toolbar_selector)
+      @toolbar_selector = toolbar_selector
+    end
 
-  def content_element
-    @content_element ||= find("#{selector} .ql-editor")
-  end
+    def content_element
+      @content_element ||= find("#{selector} .ql-editor")
+    end
 
-  def control_selector(control)
-    case control&.to_sym
-    when :bold then "#{toolbar_selector} button.ql-bold"
-    when :italic then "#{toolbar_selector} button.ql-italic"
-    when :underline then "#{toolbar_selector} button.ql-underline"
-    when :link then "#{toolbar_selector} button.ql-link"
-    else raise "Invalid control #{control}"
+    def control_selector(control)
+      case control&.to_sym
+      when :bold then "#{toolbar_selector} button.ql-bold"
+      when :italic then "#{toolbar_selector} button.ql-italic"
+      when :underline then "#{toolbar_selector} button.ql-underline"
+      when :link then "#{toolbar_selector} button.ql-link"
+      else raise "Invalid control #{control}"
+      end
     end
-  end
 
-  def toggle_bold
-    find(control_selector(:bold)).click
-  end
+    def toggle_bold
+      find(control_selector(:bold)).click
+    end
 
-  def toggle_italic
-    find(control_selector(:italic)).click
-  end
+    def toggle_italic
+      find(control_selector(:italic)).click
+    end
 
-  def toggle_underline
-    find(control_selector(:underline)).click
-  end
+    def toggle_underline
+      find(control_selector(:underline)).click
+    end
 
-  def toggle_link
-    find(control_selector(:link)).click
+    def toggle_link
+      find(control_selector(:link)).click
+    end
   end
 end
diff --git a/spec/rails_helper.rb b/spec/rails_helper.rb
index 4679cc8..72a7e92 100644
--- a/spec/rails_helper.rb
+++ b/spec/rails_helper.rb
@@ -2,6 +2,11 @@
 
 require_relative 'spec_helper'
 
+require 'zeitwerk'
+loader = Zeitwerk::Loader.new
+loader.push_dir("#{__dir__}/page_objects")
+loader.setup
+
 ENV['RAILS_ENV'] = 'test'
 
 require 'simplecov'
@@ -13,13 +18,8 @@
 
 require 'rspec/rails'
 require 'capybara/rails'
-require 'rspec/retry'
-
-Rails.root.glob("../support/**/*.rb").each { |f| require_relative f }
-Rails.root.glob("../page_objects/**/*.rb").each { |f| require_relative f }
 
-# Force deprecations to raise an exception.
-# ActiveSupport::Deprecation.behavior = :raise
+Dir[File.expand_path('support/**/*.rb', __dir__)].each { |f| require_relative f }
 
 # Checks for pending migrations and applies them before tests are run.
 # If you are not using ActiveRecord, you can remove these lines.
@@ -31,6 +31,12 @@
 end
 
 RSpec.configure do |config|
+  if Gem::Version.new(Rails.version) >= Gem::Version.new('7.1')
+    config.fixture_paths = [Rails.root.join('spec/fixtures')]
+  else
+    config.fixture_path = Rails.root.join('spec/fixtures')
+  end
+
   config.infer_spec_type_from_file_location!
   config.filter_rails_from_backtrace!
 
@@ -38,8 +44,6 @@
   config.use_instantiated_fixtures = false
   config.render_views = false
 
-  config.default_retry_count = 2
-
   config.before(:suite) do
     intro = ('-' * 80)
     intro << "\n"
diff --git a/spec/support/capybara.rb b/spec/support/capybara.rb
index 15060c4..121f474 100644
--- a/spec/support/capybara.rb
+++ b/spec/support/capybara.rb
@@ -9,10 +9,10 @@
 
   Capybara::Cuprite::Driver.new(
     app,
-    window_size: [1600, 1280],
+    window_size: [1600, 1024],
     browser_options: browser_options,
-    process_timeout: 20,
-    timeout: 20,
+    process_timeout: 30,
+    timeout: 30,
     inspector: true,
     headless: !ENV['CUPRITE_HEADLESS'].in?(%w[n 0 no false])
   )
diff --git a/spec/system/quill_editor_spec.rb b/spec/system/quill_editor_spec.rb
index 5d34984..e853eb9 100644
--- a/spec/system/quill_editor_spec.rb
+++ b/spec/system/quill_editor_spec.rb
@@ -2,9 +2,9 @@
 
 RSpec.describe 'Quill editor' do
   def lookup_editor(field:)
-    selector = ["##{field}_input.quill_editor", QuillEditor::SELECTOR].join(' ')
-    toolbar_selector = ["##{field}_input.quill_editor", QuillEditor::TOOLBAR_SELECTOR].join(' ')
-    QuillEditor.new(selector: selector, toolbar_selector: toolbar_selector)
+    selector = ["##{field}_input.quill_editor", Shared::QuillEditor::SELECTOR].join(' ')
+    toolbar_selector = ["##{field}_input.quill_editor", Shared::QuillEditor::TOOLBAR_SELECTOR].join(' ')
+    Shared::QuillEditor.new(selector: selector, toolbar_selector: toolbar_selector)
   end
 
   let(:author) { Author.create!(email: 'some_email@example.com', name: 'John Doe', age: 30) }