diff --git a/CHANGELOG.md b/CHANGELOG.md
index 43d6610e..153e73df 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
 # Changelog
 
+## 3.2.0
+
+- add option to hide issue attachments, if number of file is too high
+- rubocop offenses has been fixed
+
 ## 3.1.0
 
 - Fix missing label for view all documents
diff --git a/app/helpers/additionals_queries_helper.rb b/app/helpers/additionals_queries_helper.rb
index 46463c45..1b1cad42 100644
--- a/app/helpers/additionals_queries_helper.rb
+++ b/app/helpers/additionals_queries_helper.rb
@@ -18,7 +18,7 @@ module AdditionalsQueriesHelper
   end
 
   def additionals_query_session_key(object_type)
-    "#{object_type}_query".to_sym
+    :"#{object_type}_query"
   end
 
   def additionals_retrieve_query(object_type, user_filter: nil, search_string: nil)
diff --git a/app/models/additionals_chart.rb b/app/models/additionals_chart.rb
index e816ec82..23cf0009 100644
--- a/app/models/additionals_chart.rb
+++ b/app/models/additionals_chart.rb
@@ -42,7 +42,7 @@ class AdditionalsChart
 
     def build_values_without_gaps(data, gap_value = 0)
       values = []
-      labels.each do |label, _label_id|
+      labels.each_key do |label|
         values << if data.key? label
                     data[label]
                   else
diff --git a/app/models/additionals_query.rb b/app/models/additionals_query.rb
index be179857..208c1874 100644
--- a/app/models/additionals_query.rb
+++ b/app/models/additionals_query.rb
@@ -264,7 +264,7 @@ module AdditionalsQuery
   end
 
   def results_scope(**options)
-    order_option = [group_by_sort_order, (options[:order] || sort_clause)].flatten!.to_a.compact_blank
+    order_option = [group_by_sort_order, options[:order] || sort_clause].flatten!.to_a.compact_blank
 
     objects_scope(**options.except(:order, :limit, :offset))
       .order(order_option)
diff --git a/app/models/dashboard.rb b/app/models/dashboard.rb
index def833c5..c0eb800c 100644
--- a/app/models/dashboard.rb
+++ b/app/models/dashboard.rb
@@ -24,10 +24,10 @@ class Dashboard < ActiveRecord::Base
   VISIBILITY_ROLES   = 1
   VISIBILITY_PUBLIC  = 2
 
-  scope :by_project, (->(project_id) { where project_id: project_id if project_id.present? })
-  scope :sorted, (-> { order :name })
-  scope :welcome_only, (-> { where dashboard_type: DashboardContentWelcome::TYPE_NAME })
-  scope :project_only, (-> { where dashboard_type: DashboardContentProject::TYPE_NAME })
+  scope :by_project, ->(project_id) { where project_id: project_id if project_id.present? }
+  scope :sorted, -> { order :name }
+  scope :welcome_only, -> { where dashboard_type: DashboardContentWelcome::TYPE_NAME }
+  scope :project_only, -> { where dashboard_type: DashboardContentProject::TYPE_NAME }
 
   safe_attributes 'name', 'description', 'enable_sidebar',
                   'locked', 'always_expose', 'project_id', 'author_id',
@@ -267,7 +267,7 @@ class Dashboard < ActiveRecord::Base
   def editable?(user = User.current)
     return false unless user
 
-    (user.admin? || (author == user && user.allowed_to?(:save_dashboards, project, global: true)))
+    user.admin? || (author == user && user.allowed_to?(:save_dashboards, project, global: true))
   end
 
   def deletable?(user = User.current)
diff --git a/app/overrides/issues_show.rb b/app/overrides/issues_show.rb
index 3853afe3..e0d9db5c 100644
--- a/app/overrides/issues_show.rb
+++ b/app/overrides/issues_show.rb
@@ -24,4 +24,11 @@ module IssuesShow
                        insert_before: 'erb[loud]:contains("render_private_notes_indicator")',
                        original: '38ddc174974d0a0ee482dd73070ee80baebe9e4d',
                        partial: 'issues/additionals_note_history'
+
+  Deface::Override.new virtual_path: 'issues/show',
+                       name: 'show-issue-attachments',
+                       replace: 'erb[silent]:contains("if @issue.attachments.any?")',
+                       closing_selector: 'erb[silent]:contains("end")',
+                       original: 'e2a825486b3b1ba51c0e2fa1f72bdd5e98e1b964',
+                       partial: 'issues/hide_attachments'
 end
diff --git a/app/views/additionals/settings/_issues.html.slim b/app/views/additionals/settings/_issues.html.slim
index 1a0402f0..aa54f2ec 100644
--- a/app/views/additionals/settings/_issues.html.slim
+++ b/app/views/additionals/settings/_issues.html.slim
@@ -6,7 +6,12 @@ p
   = additionals_settings_textarea :new_ticket_message
   em.info = l :new_ticket_message_info
 
-br
+p
+  = additionals_settings_numberfield :issue_hide_max_attachments,
+                                     min: 0, max: 1000, size: 5
+  em.info
+    = l :info_issue_hide_max_attachments
+
 p = additionals_settings_checkbox :new_issue_on_profile
 p = additionals_settings_checkbox :issue_assign_to_me
 p = additionals_settings_checkbox :issue_note_with_author
diff --git a/app/views/issues/_hide_attachments.html.slim b/app/views/issues/_hide_attachments.html.slim
new file mode 100644
index 00000000..2320cb47
--- /dev/null
+++ b/app/views/issues/_hide_attachments.html.slim
@@ -0,0 +1,15 @@
+- if @issue.attachments.any?
+  - file_count = @issue.attachments.length
+  - if file_count > Additionals.setting(:issue_hide_max_attachments).to_i
+    fieldset.collapsible.collapsed.hide-attachments
+      legend onclick="toggleFieldset(this);" class="icon icon-collapsed"
+        strong
+          = l :label_attachment_plural
+          = " (#{file_count})"
+      .hidden
+        = link_to_attachments @issue, thumbnails: true
+  - else
+    hr
+    p
+      strong = l :label_attachment_plural
+    = link_to_attachments @issue, thumbnails: true
diff --git a/assets/stylesheets/additionals.css b/assets/stylesheets/additionals.css
index 318f3c64..cb983b34 100644
--- a/assets/stylesheets/additionals.css
+++ b/assets/stylesheets/additionals.css
@@ -25,6 +25,11 @@ span.dashboard-locked {
   color: #666;
 }
 
+fieldset.hide-attachments {
+  padding-left: 0;
+  margin-top: 8px;
+}
+
 #my-page.dashboard .settings input[type='text'],
 #my-page.dashboard .settings input[type='password'],
 #my-page.dashboard .settings input[type='url'] {
diff --git a/config/locales/cs.yml b/config/locales/cs.yml
index fdafd65f..547a60d7 100644
--- a/config/locales/cs.yml
+++ b/config/locales/cs.yml
@@ -210,3 +210,5 @@ cs:
   wiki_pdf_remove_attachments_info: "Pokud je aktivní, připojené soubory Wiki se nebudou zobrazovat v zobrazení PDF."
   wiki_pdf_remove_title_info: "Pokud je aktivní, informace o názvu Wiki se nebudou zobrazovat v zobrazení PDF."
   label_document_view_all: "Zobrazit všechny dokumenty"
+  label_issue_hide_max_attachments: Show max. files
+  info_issue_hide_max_attachments: If the number of files entered here is exceeding all file attachments of an issue are displayed hidden.
diff --git a/config/locales/de.yml b/config/locales/de.yml
index 3e0ce423..27b317d7 100644
--- a/config/locales/de.yml
+++ b/config/locales/de.yml
@@ -210,3 +210,5 @@ de:
   wiki_pdf_remove_attachments_info: Wenn aktiv, werden die an der Wiki Seite angehängten Dateien nicht in der PDF Ansicht angezeigt.
   wiki_pdf_remove_title_info: Wenn aktiv, wird der Wiki Titel nicht in der PDF Ansicht angezeigt.
   label_document_view_all: Alle Dokumente anzeigen
+  label_issue_hide_max_attachments: Max. angezeigte Dateien
+  info_issue_hide_max_attachments: Wird die hier angegene Anzahl überschritten, werden alle Dateianhänge im Ticket eingeklappt/versteckt dargestellt.
diff --git a/config/locales/en.yml b/config/locales/en.yml
index b242b2fc..075c322c 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -210,3 +210,5 @@ en:
   wiki_pdf_remove_attachments_info: "When active the attached Wiki files will not be displayed in PDF view."
   wiki_pdf_remove_title_info: "When active the Wiki title info will not be displayed in PDF view."
   label_document_view_all: View all documents
+  label_issue_hide_max_attachments: Show max. files
+  info_issue_hide_max_attachments: If the number of files entered here is exceeding all file attachments of an issue are displayed hidden.
diff --git a/config/locales/es.yml b/config/locales/es.yml
index f7ceeb11..8961b21c 100644
--- a/config/locales/es.yml
+++ b/config/locales/es.yml
@@ -210,3 +210,5 @@ es:
   wiki_pdf_remove_attachments_info: "Cuando está activa, los adjuntos no serán mostrados en los PDF."
   wiki_pdf_remove_title_info: "Cuando está activa, el título de la Wiki no será mostrado en los PDF."
   label_document_view_all: "Todos los documentos"
+  label_issue_hide_max_attachments: Show max. files
+  info_issue_hide_max_attachments: If the number of files entered here is exceeding all file attachments of an issue are displayed hidden.
diff --git a/config/locales/fr.yml b/config/locales/fr.yml
index 5eca8254..4208eb61 100644
--- a/config/locales/fr.yml
+++ b/config/locales/fr.yml
@@ -210,3 +210,5 @@ fr:
   wiki_pdf_remove_attachments_info: "Lorsqu'ils sont actifs, les fichiers Wiki joints ne seront pas affichés en vue PDF."
   wiki_pdf_remove_title_info: "Lorsqu'elle est active, l'information sur le titre du wiki ne sera pas affichée dans la vue PDF."
   label_document_view_all: "Voir tous les documents"
+  label_issue_hide_max_attachments: Show max. files
+  info_issue_hide_max_attachments: If the number of files entered here is exceeding all file attachments of an issue are displayed hidden.
diff --git a/config/locales/it.yml b/config/locales/it.yml
index e8317018..931ae202 100644
--- a/config/locales/it.yml
+++ b/config/locales/it.yml
@@ -210,3 +210,5 @@ it:
   wiki_pdf_remove_attachments_info: "Quando è attivo, il Wiki file allegati non verranno visualizzati nella vista PDF."
   wiki_pdf_remove_title_info: "Quando è attivo, le informazioni sul titolo del Wiki non verranno visualizzate nella vista PDF."
   label_document_view_all: "Vedi tutti i documenti"
+  label_issue_hide_max_attachments: Show max. files
+  info_issue_hide_max_attachments: If the number of files entered here is exceeding all file attachments of an issue are displayed hidden.
diff --git a/config/locales/ja.yml b/config/locales/ja.yml
index f9844840..08bde4d1 100644
--- a/config/locales/ja.yml
+++ b/config/locales/ja.yml
@@ -210,3 +210,5 @@ ja:
   wiki_pdf_remove_attachments_info: "アクティブな場合、添付されたWikiファイルはPDFビューに表示されません。"
   wiki_pdf_remove_title_info: "アクティブな場合、Wikiのタイトル情報はPDFビューに表示されません。"
   label_document_view_all: "すべての資料を見る"
+  label_issue_hide_max_attachments: Show max. files
+  info_issue_hide_max_attachments: If the number of files entered here is exceeding all file attachments of an issue are displayed hidden.
diff --git a/config/locales/ko.yml b/config/locales/ko.yml
index 6a17ffba..5515858f 100644
--- a/config/locales/ko.yml
+++ b/config/locales/ko.yml
@@ -210,3 +210,5 @@ ko:
   wiki_pdf_remove_attachments_info: 활성화 된 경우 첨부 된 Wiki 파일은 PDF보기에 표시되지 않습니다.
   wiki_pdf_remove_title_info: 활성화되면 위키 제목 정보가 PDF보기에 표시되지 않습니다.
   label_document_view_all: "모든 문서 보기"
+  label_issue_hide_max_attachments: Show max. files
+  info_issue_hide_max_attachments: If the number of files entered here is exceeding all file attachments of an issue are displayed hidden.
diff --git a/config/locales/pl.yml b/config/locales/pl.yml
index f9c2242d..86629bf8 100644
--- a/config/locales/pl.yml
+++ b/config/locales/pl.yml
@@ -210,3 +210,5 @@ pl:
   wiki_pdf_remove_attachments_info: "Gdy jest aktywny, załączone pliki Wiki nie będą wyświetlane w widoku PDF."
   wiki_pdf_remove_title_info: "Gdy jest aktywny, informacja o tytule Wiki nie będzie wyświetlana w widoku PDF."
   label_document_view_all: "Zobacz wszystkie dokumenty"
+  label_issue_hide_max_attachments: Show max. files
+  info_issue_hide_max_attachments: If the number of files entered here is exceeding all file attachments of an issue are displayed hidden.
diff --git a/config/locales/pt-BR.yml b/config/locales/pt-BR.yml
index 5c676e50..062175c8 100644
--- a/config/locales/pt-BR.yml
+++ b/config/locales/pt-BR.yml
@@ -210,3 +210,5 @@ pt-BR:
   wiki_pdf_remove_attachments_info: "Quando ativo, os arquivos Wiki anexos não serão exibidos na visualização em PDF."
   wiki_pdf_remove_title_info: "Quando ativo, o título do Wiki não será exibido na visualização em PDF."
   label_document_view_all: "Veja todos os documentos"
+  label_issue_hide_max_attachments: Show max. files
+  info_issue_hide_max_attachments: If the number of files entered here is exceeding all file attachments of an issue are displayed hidden.
diff --git a/config/locales/ru.yml b/config/locales/ru.yml
index 83a93462..ba8ff77a 100644
--- a/config/locales/ru.yml
+++ b/config/locales/ru.yml
@@ -210,3 +210,5 @@ ru:
   wiki_pdf_remove_attachments_info: "Если флажок установлен, вложенные Вики-файлы не будут отображаться в PDF-формате."
   wiki_pdf_remove_title_info: "При активации этого параметра информация о названии Вики не будет отображаться в PDF-формате."
   label_document_view_all: "Посмотреть все документы"
+  label_issue_hide_max_attachments: Show max. files
+  info_issue_hide_max_attachments: If the number of files entered here is exceeding all file attachments of an issue are displayed hidden.
diff --git a/config/locales/zh-TW.yml b/config/locales/zh-TW.yml
index 1e3b6e94..a43f47f5 100644
--- a/config/locales/zh-TW.yml
+++ b/config/locales/zh-TW.yml
@@ -210,3 +210,5 @@
   wiki_pdf_remove_attachments_info: "當啟用時，Wiki附件將不會顯示在PDF中。"
   wiki_pdf_remove_title_info: "當啟用時，Wiki標題訊息不會顯示在PDF中"
   label_document_view_all: "查看所有文件"
+  label_issue_hide_max_attachments: Show max. files
+  info_issue_hide_max_attachments: If the number of files entered here is exceeding all file attachments of an issue are displayed hidden.
diff --git a/config/locales/zh.yml b/config/locales/zh.yml
index 0631153e..5077f7ff 100644
--- a/config/locales/zh.yml
+++ b/config/locales/zh.yml
@@ -210,3 +210,5 @@ zh:
   wiki_pdf_remove_attachments_info: 当启用时，Wiki 附件将不会显示在 PDF 视图中。
   wiki_pdf_remove_title_info: 当启用时，Wiki 标题信息将不会显示在 PDF 视图中。
   label_document_view_all: "查看所有文件"
+  label_issue_hide_max_attachments: Show max. files
+  info_issue_hide_max_attachments: If the number of files entered here is exceeding all file attachments of an issue are displayed hidden.
diff --git a/config/settings.yml b/config/settings.yml
index ed4443c0..51046e9d 100644
--- a/config/settings.yml
+++ b/config/settings.yml
@@ -17,6 +17,7 @@ issue_auto_assign_status: ''
 issue_change_status_in_sidebar: 0
 issue_current_user_status: 0
 issue_freezed_with_close: 0
+issue_hide_max_attachments: 10
 issue_note_with_author: 0
 issue_fast_description_edit: 0
 issue_status_change: 0
diff --git a/lib/additionals/helpers.rb b/lib/additionals/helpers.rb
index 12fc5805..5842dddf 100644
--- a/lib/additionals/helpers.rb
+++ b/lib/additionals/helpers.rb
@@ -59,7 +59,7 @@ module Additionals
     end
 
     def additionals_i18n_title(options, title)
-      i18n_title = "#{title}_#{::I18n.locale}".to_sym
+      i18n_title = :"#{title}_#{::I18n.locale}"
       if options.key? i18n_title
         options[i18n_title]
       elsif options.key? title
diff --git a/lib/additionals/plugin_version.rb b/lib/additionals/plugin_version.rb
index 8b0a2e65..b103f024 100644
--- a/lib/additionals/plugin_version.rb
+++ b/lib/additionals/plugin_version.rb
@@ -2,6 +2,6 @@
 
 module Additionals
   module PluginVersion
-    VERSION = '3.1.0' unless defined? Additionals::PluginVersion::VERSION
+    VERSION = '3.2.0-main' unless defined? Additionals::PluginVersion::VERSION
   end
 end
diff --git a/test/crud_controller_base.rb b/test/crud_controller_base.rb
index d24c71da..a237fd19 100644
--- a/test/crud_controller_base.rb
+++ b/test/crud_controller_base.rb
@@ -268,7 +268,7 @@ module CrudControllerBase
     end
 
     def form_params(action)
-      crud_params = @crud["#{action}_params".to_sym]
+      crud_params = @crud[:"#{action}_params"]
       if @crud[:form]
         { id: id_value, @crud[:form] => crud_params }
       else
diff --git a/test/functional/issues_controller_test.rb b/test/functional/issues_controller_test.rb
index b62aed67..006a49df 100644
--- a/test/functional/issues_controller_test.rb
+++ b/test/functional/issues_controller_test.rb
@@ -13,7 +13,7 @@ class IssuesControllerTest < Additionals::ControllerTest
            :workflows,
            :custom_fields, :custom_values, :custom_fields_projects, :custom_fields_trackers,
            :time_entries,
-           :watchers,
+           :watchers, :attachments,
            :journals, :journal_details,
            :repositories, :changesets,
            :queries
@@ -219,4 +219,22 @@ class IssuesControllerTest < Additionals::ControllerTest
       assert_select 'h4.note-header .badge-author', count: 0
     end
   end
+
+  def test_show_attachments
+    with_plugin_settings 'additionals', issue_hide_max_attachments: 10 do
+      get :show, params: { id: 3 }
+
+      assert_response :success
+      assert_select 'fieldset.hide-attachments', count: 0
+    end
+  end
+
+  def test_show_attachments_as_hidden
+    with_plugin_settings 'additionals', issue_hide_max_attachments: 0 do
+      get :show, params: { id: 3 }
+
+      assert_response :success
+      assert_select 'fieldset.hide-attachments', count: 1
+    end
+  end
 end