diff --git a/.rubocop_manual_todo.yml b/.rubocop_manual_todo.yml
index a8fc8d0ee23..bb4ff14c8c3 100644
--- a/.rubocop_manual_todo.yml
+++ b/.rubocop_manual_todo.yml
@@ -333,10 +333,6 @@ Rails/TimeZone:
     - 'spec/tooling/rspec_flaky/listener_spec.rb'
     - 'spec/tooling/rspec_flaky/report_spec.rb'
 
-# WIP: https://gitlab.com/gitlab-org/gitlab/-/issues/325836
-RSpec/EmptyLineAfterFinalLetItBe:
-  Exclude:
-
 RSpec/TimecopFreeze:
   Exclude:
     - 'ee/spec/controllers/admin/application_settings_controller_spec.rb'
diff --git a/app/assets/javascripts/pages/projects/new/components/app.vue b/app/assets/javascripts/pages/projects/new/components/app.vue
index 60a4fbc3e6b..6e9efc50be8 100644
--- a/app/assets/javascripts/pages/projects/new/components/app.vue
+++ b/app/assets/javascripts/pages/projects/new/components/app.vue
@@ -4,12 +4,10 @@ import blankProjectIllustration from '@gitlab/svgs/dist/illustrations/project-cr
 import importProjectIllustration from '@gitlab/svgs/dist/illustrations/project-import-sm.svg';
 import ciCdProjectIllustration from '@gitlab/svgs/dist/illustrations/project-run-CICD-pipelines-sm.svg';
 import { GlSafeHtmlDirective as SafeHtml } from '@gitlab/ui';
-import { experiment } from '~/experimentation/utils';
 import { s__ } from '~/locale';
 import NewNamespacePage from '~/vue_shared/new_namespace/new_namespace_page.vue';
 import NewProjectPushTipPopover from './new_project_push_tip_popover.vue';
 
-const NEW_REPO_EXPERIMENT = 'new_repo';
 const CI_CD_PANEL = 'cicd_for_external_repo';
 const PANELS = [
   {
@@ -79,28 +77,8 @@ export default {
   },
 
   computed: {
-    decoratedPanels() {
-      const PANEL_TITLES = experiment(NEW_REPO_EXPERIMENT, {
-        use: () => ({
-          blank: s__('ProjectsNew|Create blank project'),
-          import: s__('ProjectsNew|Import project'),
-        }),
-        try: () => ({
-          blank: s__('ProjectsNew|Create blank project/repository'),
-          import: s__('ProjectsNew|Import project/repository'),
-        }),
-      });
-
-      return PANELS.map(({ key, title, ...el }) => ({
-        ...el,
-        title: PANEL_TITLES[key] ?? title,
-      }));
-    },
-
     availablePanels() {
-      return this.isCiCdAvailable
-        ? this.decoratedPanels
-        : this.decoratedPanels.filter((p) => p.name !== CI_CD_PANEL);
+      return this.isCiCdAvailable ? PANELS : PANELS.filter((p) => p.name !== CI_CD_PANEL);
     },
   },
 
@@ -112,7 +90,6 @@ export default {
       }
     },
   },
-  EXPERIMENT: NEW_REPO_EXPERIMENT,
 };
 </script>
 
@@ -122,7 +99,6 @@ export default {
     :panels="availablePanels"
     :jump-to-last-persisted-panel="hasErrors"
     :title="s__('ProjectsNew|Create new project')"
-    :experiment="$options.EXPERIMENT"
     persistence-key="new_project_last_active_tab"
     @panel-change="resetProjectErrors"
   >
diff --git a/app/assets/javascripts/vue_shared/new_namespace/components/welcome.vue b/app/assets/javascripts/vue_shared/new_namespace/components/welcome.vue
index 7878d2f1da4..8034d66b458 100644
--- a/app/assets/javascripts/vue_shared/new_namespace/components/welcome.vue
+++ b/app/assets/javascripts/vue_shared/new_namespace/components/welcome.vue
@@ -16,14 +16,9 @@ export default {
       type: Array,
       required: true,
     },
-    experiment: {
-      type: String,
-      required: false,
-      default: null,
-    },
   },
   created() {
-    const trackingMixin = Tracking.mixin({ ...gon.tracking_data, experiment: this.experiment });
+    const trackingMixin = Tracking.mixin();
     const trackingInstance = new Vue({
       ...trackingMixin,
       render() {
diff --git a/app/assets/javascripts/vue_shared/new_namespace/new_namespace_page.vue b/app/assets/javascripts/vue_shared/new_namespace/new_namespace_page.vue
index a2b432d11f4..c1e8376d656 100644
--- a/app/assets/javascripts/vue_shared/new_namespace/new_namespace_page.vue
+++ b/app/assets/javascripts/vue_shared/new_namespace/new_namespace_page.vue
@@ -36,11 +36,6 @@ export default {
       type: String,
       required: true,
     },
-    experiment: {
-      type: String,
-      required: false,
-      default: null,
-    },
   },
 
   data() {
@@ -103,12 +98,7 @@ export default {
 </script>
 
 <template>
-  <welcome-page
-    v-if="activePanelName === null"
-    :panels="panels"
-    :title="title"
-    :experiment="experiment"
-  >
+  <welcome-page v-if="!activePanelName" :panels="panels" :title="title">
     <template #footer>
       <slot name="welcome-footer"> </slot>
     </template>
diff --git a/app/controllers/projects_controller.rb b/app/controllers/projects_controller.rb
index 24e2dbac560..93187a19af1 100644
--- a/app/controllers/projects_controller.rb
+++ b/app/controllers/projects_controller.rb
@@ -39,11 +39,6 @@ class ProjectsController < Projects::ApplicationController
     push_frontend_feature_flag(:refactor_blob_viewer, @project, default_enabled: :yaml)
   end
 
-  before_action only: [:new] do
-    # Run experiment before render so it will be written to the `gon` for FE
-    helpers.new_repo_experiment_text
-  end
-
   layout :determine_layout
 
   feature_category :projects, [
@@ -78,7 +73,6 @@ class ProjectsController < Projects::ApplicationController
     @project = ::Projects::CreateService.new(current_user, project_params(attributes: project_params_create_attributes)).execute
 
     if @project.saved?
-      experiment(:new_repo, user: current_user).track(:project_created)
       experiment(:new_project_readme, actor: current_user).track(
         :created,
         property: active_new_project_tab,
diff --git a/app/helpers/events_helper.rb b/app/helpers/events_helper.rb
index cd70c6f3962..4ee3acd32d2 100644
--- a/app/helpers/events_helper.rb
+++ b/app/helpers/events_helper.rb
@@ -240,8 +240,7 @@ module EventsHelper
   DESIGN_ICONS = {
     'created' => 'upload',
     'updated' => 'pencil',
-    'destroyed' => ICON_NAMES_BY_EVENT_TYPE['destroyed'],
-    'archived' => 'archive'
+    'destroyed' => ICON_NAMES_BY_EVENT_TYPE['destroyed']
   }.freeze
 
   def design_event_icon(action, size: 24)
diff --git a/app/helpers/nav/new_dropdown_helper.rb b/app/helpers/nav/new_dropdown_helper.rb
index b952aeacb13..ff8839d68fd 100644
--- a/app/helpers/nav/new_dropdown_helper.rb
+++ b/app/helpers/nav/new_dropdown_helper.rb
@@ -21,13 +21,6 @@ module Nav
       }
     end
 
-    def new_repo_experiment_text
-      experiment(:new_repo, user: current_user) do |e|
-        e.use { _('New project') }
-        e.try { _('New project/repository') }
-      end.run
-    end
-
     private
 
     def group_menu_section(group)
@@ -37,9 +30,9 @@ module Nav
         menu_items.push(
           ::Gitlab::Nav::TopNavMenuItem.build(
             id: 'new_project',
-            title: new_repo_experiment_text,
+            title: _('New project/repository'),
             href: new_project_path(namespace_id: group.id),
-            data: { track_experiment: 'new_repo', track_event: 'click_link_new_project_group', track_label: 'plus_menu_dropdown' }
+            data: { track_event: 'click_link_new_project_group', track_label: 'plus_menu_dropdown' }
           )
         )
       end
@@ -129,9 +122,9 @@ module Nav
         menu_items.push(
           ::Gitlab::Nav::TopNavMenuItem.build(
             id: 'general_new_project',
-            title: new_repo_experiment_text,
+            title: _('New project/repository'),
             href: new_project_path,
-            data: { track_experiment: 'new_repo', track_event: 'click_link_new_project', track_label: 'plus_menu_dropdown', qa_selector: 'global_new_project_link' }
+            data: { track_event: 'click_link_new_project', track_label: 'plus_menu_dropdown', qa_selector: 'global_new_project_link' }
           )
         )
       end
diff --git a/app/helpers/nav/top_nav_helper.rb b/app/helpers/nav/top_nav_helper.rb
index 0e326ca6b96..052b8339ebd 100644
--- a/app/helpers/nav/top_nav_helper.rb
+++ b/app/helpers/nav/top_nav_helper.rb
@@ -98,7 +98,7 @@ module Nav
         builder.add_primary_menu_item_with_shortcut(
           active: nav == 'project' || active_nav_link?(path: %w[root#index projects#trending projects#starred dashboard/projects#index]),
           css_class: 'qa-projects-dropdown',
-          data: { track_label: "projects_dropdown", track_event: "click_dropdown", track_experiment: "new_repo" },
+          data: { track_label: "projects_dropdown", track_event: "click_dropdown" },
           view: PROJECTS_VIEW,
           shortcut_href: dashboard_projects_path,
           **projects_menu_item_attrs
diff --git a/app/models/error_tracking.rb b/app/models/error_tracking.rb
new file mode 100644
index 00000000000..20729330088
--- /dev/null
+++ b/app/models/error_tracking.rb
@@ -0,0 +1,7 @@
+# frozen_string_literal: true
+
+module ErrorTracking
+  def self.table_name_prefix
+    'error_tracking_'
+  end
+end
diff --git a/app/models/error_tracking/error.rb b/app/models/error_tracking/error.rb
new file mode 100644
index 00000000000..6b5ba462b94
--- /dev/null
+++ b/app/models/error_tracking/error.rb
@@ -0,0 +1,12 @@
+# frozen_string_literal: true
+
+class ErrorTracking::Error < ApplicationRecord
+  belongs_to :project
+
+  has_many :events, class_name: 'ErrorTracking::ErrorEvent'
+
+  validates :project, presence: true
+  validates :name, presence: true
+  validates :description, presence: true
+  validates :actor, presence: true
+end
diff --git a/app/models/error_tracking/error_event.rb b/app/models/error_tracking/error_event.rb
new file mode 100644
index 00000000000..90f63f82a66
--- /dev/null
+++ b/app/models/error_tracking/error_event.rb
@@ -0,0 +1,11 @@
+# frozen_string_literal: true
+
+class ErrorTracking::ErrorEvent < ApplicationRecord
+  belongs_to :error
+
+  validates :payload, json_schema: { filename: 'error_tracking_event_payload' }
+
+  validates :error, presence: true
+  validates :description, presence: true
+  validates :occurred_at, presence: true
+end
diff --git a/app/models/error_tracking/project_error_tracking_setting.rb b/app/models/error_tracking/project_error_tracking_setting.rb
index 956b5d6470f..c729b002852 100644
--- a/app/models/error_tracking/project_error_tracking_setting.rb
+++ b/app/models/error_tracking/project_error_tracking_setting.rb
@@ -24,6 +24,8 @@ module ErrorTracking
     self.reactive_cache_key = ->(setting) { [setting.class.model_name.singular, setting.project_id] }
     self.reactive_cache_work_type = :external_dependency
 
+    self.table_name = 'project_error_tracking_settings'
+
     belongs_to :project
 
     validates :api_url, length: { maximum: 255 }, public_url: { enforce_sanitization: true, ascii_only: true }, allow_nil: true
diff --git a/app/models/event.rb b/app/models/event.rb
index 75067f93782..14d20b0d6c4 100644
--- a/app/models/event.rb
+++ b/app/models/event.rb
@@ -24,15 +24,14 @@ class Event < ApplicationRecord
     left:       9, # User left project
     destroyed:  10,
     expired:    11, # User left project due to expiry
-    approved:   12,
-    archived:   13 # Recoverable deletion
+    approved:   12
   ).freeze
 
   private_constant :ACTIONS
 
   WIKI_ACTIONS = [:created, :updated, :destroyed].freeze
 
-  DESIGN_ACTIONS = [:created, :updated, :destroyed, :archived].freeze
+  DESIGN_ACTIONS = [:created, :updated, :destroyed].freeze
 
   TARGET_TYPES = HashWithIndifferentAccess.new(
     issue:          Issue,
@@ -437,8 +436,7 @@ class Event < ApplicationRecord
     {
       created: _('uploaded'),
       updated: _('revised'),
-      destroyed: _('deleted'),
-      archived: _('archived')
+      destroyed: _('deleted')
     }
   end
 
diff --git a/app/validators/json_schemas/error_tracking_event_payload.json b/app/validators/json_schemas/error_tracking_event_payload.json
new file mode 100644
index 00000000000..79e81672d0e
--- /dev/null
+++ b/app/validators/json_schemas/error_tracking_event_payload.json
@@ -0,0 +1,324 @@
+{
+  "description": "Error tracking event payload",
+  "type": "object",
+  "required": [],
+  "properties": {
+    "event_id": {
+      "type": "string"
+    },
+    "level": {
+      "type": "string"
+    },
+    "timestamp": {
+      "type": "string"
+    },
+    "release": {
+      "type": "string"
+    },
+    "environment": {
+      "type": "string"
+    },
+    "server_name": {
+      "type": "string"
+    },
+    "message": {
+      "type": "string"
+    },
+    "user": {
+      "type": "object",
+      "required": [],
+      "properties": {}
+    },
+    "tags": {
+      "type": "object",
+      "required": [],
+      "properties": {
+        "request_id": {
+          "type": "string"
+        }
+      }
+    },
+    "contexts": {
+      "type": "object",
+      "required": [],
+      "properties": {
+        "os": {
+          "type": "object",
+          "required": [],
+          "properties": {
+            "name": {
+              "type": "string"
+            },
+            "version": {
+              "type": "string"
+            },
+            "build": {
+              "type": "string"
+            },
+            "kernel_version": {
+              "type": "string"
+            }
+          }
+        },
+        "runtime": {
+          "type": "object",
+          "required": [],
+          "properties": {
+            "name": {
+              "type": "string"
+            },
+            "version": {
+              "type": "string"
+            }
+          }
+        },
+        "trace": {
+          "type": "object",
+          "required": [],
+          "properties": {
+            "trace_id": {
+              "type": "string"
+            },
+            "span_id": {
+              "type": "string"
+            },
+            "parent_span_id": {
+              "type": "string"
+            },
+            "description": {
+              "type": "string"
+            },
+            "op": {
+              "type": "string"
+            },
+            "status": {
+              "type": "string"
+            }
+          }
+        }
+      }
+    },
+    "fingerprint": {
+      "type": "array",
+      "items": {
+        "type": "string"
+      }
+    },
+    "breadcrumbs": {
+      "type": "object",
+      "required": [],
+      "properties": {
+        "values": {
+          "type": "array",
+          "items": {
+            "type": "object",
+            "required": [],
+            "properties": {
+              "category": {
+                "type": "string"
+              },
+              "data": {
+                "type": "object",
+                "required": [],
+                "properties": {
+                  "controller": {
+                    "type": "string"
+                  },
+                  "action": {
+                    "type": "string"
+                  },
+                  "params": {
+                    "type": "object",
+                    "required": [],
+                    "properties": {
+                      "controller": {
+                        "type": "string"
+                      },
+                      "action": {
+                        "type": "string"
+                      }
+                    }
+                  },
+                  "format": {
+                    "type": "string"
+                  },
+                  "method": {
+                    "type": "string"
+                  },
+                  "path": {
+                    "type": "string"
+                  },
+                  "start_timestamp": {
+                    "type": "number"
+                  }
+                }
+              },
+              "level": {
+                "type": "string"
+              },
+              "message": {
+                "type": "string"
+              },
+              "timestamp": {
+                "type": "number"
+              },
+              "type": {
+                "type": "string"
+              }
+            }
+          }
+        }
+      }
+    },
+    "transaction": {
+      "type": "string"
+    },
+    "platform": {
+      "type": "string"
+    },
+    "sdk": {
+      "type": "object",
+      "required": [],
+      "properties": {
+        "name": {
+          "type": "string"
+        },
+        "version": {
+          "type": "string"
+        }
+      }
+    },
+    "request": {
+      "type": "object",
+      "required": [],
+      "properties": {
+        "url": {
+          "type": "string"
+        },
+        "method": {
+          "type": "string"
+        },
+        "headers": {
+          "type": "object",
+          "required": [],
+          "properties": {
+            "Host": {
+              "type": "string"
+            },
+            "User-Agent": {
+              "type": "string"
+            },
+            "Accept": {
+              "type": "string"
+            },
+            "Accept-Language": {
+              "type": "string"
+            },
+            "Accept-Encoding": {
+              "type": "string"
+            },
+            "Referer": {
+              "type": "string"
+            },
+            "Turbolinks-Referrer": {
+              "type": "string"
+            },
+            "Connection": {
+              "type": "string"
+            },
+            "X-Request-Id": {
+              "type": "string"
+            }
+          }
+        },
+        "env": {
+          "type": "object",
+          "required": [],
+          "properties": {
+            "SERVER_NAME": {
+              "type": "string"
+            },
+            "SERVER_PORT": {
+              "type": "string"
+            }
+          }
+        }
+      }
+    },
+    "exception": {
+      "type": "object",
+      "required": [],
+      "properties": {
+        "values": {
+          "type": "array",
+          "items": {
+            "type": "object",
+            "required": [],
+            "properties": {
+              "type": {
+                "type": "string"
+              },
+              "value": {
+                "type": "string"
+              },
+              "module": {
+                "type": "string"
+              },
+              "thread_id": {
+                "type": "number"
+              },
+              "stacktrace": {
+                "type": "object",
+                "required": [],
+                "properties": {
+                  "frames": {
+                    "type": "array",
+                    "items": {
+                      "type": "object",
+                      "required": [],
+                      "properties": {
+                        "project_root": {
+                          "type": "string"
+                        },
+                        "abs_path": {
+                          "type": "string"
+                        },
+                        "function": {
+                          "type": "string"
+                        },
+                        "lineno": {
+                          "type": "number"
+                        },
+                        "in_app": {
+                          "type": "string"
+                        },
+                        "filename": {
+                          "type": "string"
+                        },
+                        "pre_context": {
+                          "type": "array",
+                          "items": {
+                            "type": "string"
+                          }
+                        },
+                        "context_line": {
+                          "type": "string"
+                        },
+                        "post_context": {
+                          "type": "array",
+                          "items": {
+                            "type": "string"
+                          }
+                        }
+                      }
+                    }
+                  }
+                }
+              }
+            }
+          }
+        }
+      }
+    }
+  }
+}
diff --git a/app/views/layouts/header/_new_dropdown.html.haml b/app/views/layouts/header/_new_dropdown.html.haml
index c5f43fb2c16..0be87ad963c 100644
--- a/app/views/layouts/header/_new_dropdown.html.haml
+++ b/app/views/layouts/header/_new_dropdown.html.haml
@@ -6,7 +6,7 @@
 
 - return if menu_sections.empty?
 
-%li.header-new.dropdown{ class: top_class, data: { track_label: "new_dropdown", track_event: "click_dropdown", track_experiment: "new_repo" } }
+%li.header-new.dropdown{ class: top_class, data: { track_label: "new_dropdown", track_event: "click_dropdown" } }
   = link_to new_project_path, class: "header-new-dropdown-toggle has-tooltip", id: "js-onboarding-new-project-link", title: title, ref: 'tooltip', aria: { label: title }, data: { toggle: 'dropdown', placement: 'bottom', container: 'body', display: 'static', qa_selector: 'new_menu_toggle' } do
     = sprite_icon('plus-square')
     = sprite_icon('chevron-down', css_class: 'caret-down')
diff --git a/app/views/layouts/nav/_dashboard.html.haml b/app/views/layouts/nav/_dashboard.html.haml
index 117382d87b5..e4cdb4e1b08 100644
--- a/app/views/layouts/nav/_dashboard.html.haml
+++ b/app/views/layouts/nav/_dashboard.html.haml
@@ -4,7 +4,7 @@
 -# [1]: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/56587
 %ul.list-unstyled.navbar-sub-nav
   - if dashboard_nav_link?(:projects)
-    = nav_link(path: ['root#index', 'projects#trending', 'projects#starred', 'dashboard/projects#index'], html_options: { id: 'nav-projects-dropdown', class: "home dropdown header-projects", data: { track_label: "projects_dropdown", track_event: "click_dropdown", track_experiment: "new_repo" } }) do
+    = nav_link(path: ['root#index', 'projects#trending', 'projects#starred', 'dashboard/projects#index'], html_options: { id: 'nav-projects-dropdown', class: "home dropdown header-projects", data: { track_label: "projects_dropdown", track_event: "click_dropdown" } }) do
       %button{ type: 'button', data: { toggle: "dropdown" } }
         = _('Projects')
         = sprite_icon('chevron-down', css_class: 'caret-down')
diff --git a/app/views/layouts/nav/projects_dropdown/_show.html.haml b/app/views/layouts/nav/projects_dropdown/_show.html.haml
index 46070975566..f16aab92a95 100644
--- a/app/views/layouts/nav/projects_dropdown/_show.html.haml
+++ b/app/views/layouts/nav/projects_dropdown/_show.html.haml
@@ -15,21 +15,12 @@
       = nav_link(path: 'projects#trending') do
         = link_to explore_root_path, data: { track_label: "projects_dropdown_explore_projects", track_event: "click_link" } do
           = _('Explore projects')
-      - experiment(:new_repo, user: current_user) do |e|
-        - e.use do
-          = nav_link(path: 'projects/new#blank_project', html_options: { class: 'gl-border-0 gl-border-t-1 gl-border-solid gl-border-gray-100' }) do
-            = link_to new_project_path(anchor: 'blank_project'), data: { track_label: "projects_dropdown_blank_project", track_event: "click_link", track_experiment: "new_repo", qa_selector: "create_project_link" } do
-              = _('Create blank project')
-          = nav_link(path: 'projects/new#import_project') do
-            = link_to new_project_path(anchor: 'import_project'), data: { track_label: "projects_dropdown_import_project", track_event: "click_link", track_experiment: "new_repo", qa_selector: "import_project_link" } do
-              = _('Import project')
-        - e.try do
-          = nav_link(path: 'projects/new#blank_project', html_options: { class: 'gl-border-0 gl-border-t-1 gl-border-solid gl-border-gray-100' }) do
-            = link_to new_project_path(anchor: 'blank_project'), data: { track_label: "projects_dropdown_blank_project", track_event: "click_link", track_experiment: "new_repo" } do
-              = _('Create blank project/repository')
-          = nav_link(path: 'projects/new#import_project') do
-            = link_to new_project_path(anchor: 'import_project'), data: { track_label: "projects_dropdown_import_project", track_event: "click_link", track_experiment: "new_repo" } do
-              = _('Import project/repository')
+      = nav_link(path: 'projects/new#blank_project', html_options: { class: 'gl-border-0 gl-border-t-1 gl-border-solid gl-border-gray-100' }) do
+        = link_to new_project_path(anchor: 'blank_project'), data: { track_label: "projects_dropdown_blank_project", track_event: "click_link", qa_selector: "create_project_link" } do
+          = _('Create blank project')
+      = nav_link(path: 'projects/new#import_project') do
+        = link_to new_project_path(anchor: 'import_project'), data: { track_label: "projects_dropdown_import_project", track_event: "click_link", qa_selector: "import_project_link" } do
+          = _('Import project')
       = nav_link(path: 'projects/new#create_from_template') do
         = link_to new_project_path(anchor: 'create_from_template'), data: { track_label: "projects_dropdown_create_from_template", track_event: "click_link" } do
           = _('Create from template')
diff --git a/config/feature_flags/experiment/new_repo.yml b/config/feature_flags/experiment/new_repo.yml
deleted file mode 100644
index a39717538c1..00000000000
--- a/config/feature_flags/experiment/new_repo.yml
+++ /dev/null
@@ -1,8 +0,0 @@
----
-name: new_repo
-introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/55818
-rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/285153
-milestone: '13.11'
-type: experiment
-group: group::adoption
-default_enabled: false
diff --git a/db/migrate/20210623133635_create_error_tracking_errors.rb b/db/migrate/20210623133635_create_error_tracking_errors.rb
new file mode 100644
index 00000000000..e26fbe8df86
--- /dev/null
+++ b/db/migrate/20210623133635_create_error_tracking_errors.rb
@@ -0,0 +1,28 @@
+# frozen_string_literal: true
+
+class CreateErrorTrackingErrors < ActiveRecord::Migration[6.1]
+  include Gitlab::Database::MigrationHelpers
+
+  def up
+    create_table_with_constraints :error_tracking_errors do |t|
+      t.references :project, index: true, null: false, foreign_key: { on_delete: :cascade }
+      t.text :name, null: false
+      t.text :description, null: false
+      t.text :actor, null: false
+      t.datetime_with_timezone :first_seen_at, null: false, default: -> { 'NOW()' }
+      t.datetime_with_timezone :last_seen_at, null: false, default: -> { 'NOW()' }
+      t.text :platform
+
+      t.text_limit :name, 255
+      t.text_limit :description, 1024
+      t.text_limit :actor, 255
+      t.text_limit :platform, 255
+
+      t.timestamps_with_timezone
+    end
+  end
+
+  def down
+    drop_table :error_tracking_errors
+  end
+end
diff --git a/db/migrate/20210625094554_create_error_tracking_error_events.rb b/db/migrate/20210625094554_create_error_tracking_error_events.rb
new file mode 100644
index 00000000000..c1ed6d6ce6e
--- /dev/null
+++ b/db/migrate/20210625094554_create_error_tracking_error_events.rb
@@ -0,0 +1,30 @@
+# frozen_string_literal: true
+
+class CreateErrorTrackingErrorEvents < ActiveRecord::Migration[6.1]
+  include Gitlab::Database::MigrationHelpers
+
+  def up
+    create_table_with_constraints :error_tracking_error_events do |t|
+      t.references :error,
+        index: true,
+        null: false,
+        foreign_key: { on_delete: :cascade, to_table: :error_tracking_errors }
+
+      t.text :description, null: false
+      t.text :environment
+      t.text :level
+      t.datetime_with_timezone :occurred_at, null: false
+      t.jsonb :payload, null: false, default: {}
+
+      t.text_limit :description, 255
+      t.text_limit :environment, 255
+      t.text_limit :level, 255
+
+      t.timestamps_with_timezone
+    end
+  end
+
+  def down
+    drop_table :error_tracking_error_events
+  end
+end
diff --git a/db/schema_migrations/20210623133635 b/db/schema_migrations/20210623133635
new file mode 100644
index 00000000000..bd59fe90c62
--- /dev/null
+++ b/db/schema_migrations/20210623133635
@@ -0,0 +1 @@
+1a930fec524c91c5d382c40514d0d1943e59514f5dbd8588595363c24819b8d0
\ No newline at end of file
diff --git a/db/schema_migrations/20210625094554 b/db/schema_migrations/20210625094554
new file mode 100644
index 00000000000..a20925101f8
--- /dev/null
+++ b/db/schema_migrations/20210625094554
@@ -0,0 +1 @@
+df9e976b0f294284ad9e9b617da42310c83cb1acc6db6ea00ea93c49c2310a1c
\ No newline at end of file
diff --git a/db/structure.sql b/db/structure.sql
index 56a48be6c4b..d9bbb5e5633 100644
--- a/db/structure.sql
+++ b/db/structure.sql
@@ -12732,6 +12732,56 @@ CREATE SEQUENCE epics_id_seq
 
 ALTER SEQUENCE epics_id_seq OWNED BY epics.id;
 
+CREATE TABLE error_tracking_error_events (
+    id bigint NOT NULL,
+    error_id bigint NOT NULL,
+    description text NOT NULL,
+    environment text,
+    level text,
+    occurred_at timestamp with time zone NOT NULL,
+    payload jsonb DEFAULT '{}'::jsonb NOT NULL,
+    created_at timestamp with time zone NOT NULL,
+    updated_at timestamp with time zone NOT NULL,
+    CONSTRAINT check_92ecc3077b CHECK ((char_length(description) <= 255)),
+    CONSTRAINT check_c67d5b8007 CHECK ((char_length(level) <= 255)),
+    CONSTRAINT check_f4b52474ad CHECK ((char_length(environment) <= 255))
+);
+
+CREATE SEQUENCE error_tracking_error_events_id_seq
+    START WITH 1
+    INCREMENT BY 1
+    NO MINVALUE
+    NO MAXVALUE
+    CACHE 1;
+
+ALTER SEQUENCE error_tracking_error_events_id_seq OWNED BY error_tracking_error_events.id;
+
+CREATE TABLE error_tracking_errors (
+    id bigint NOT NULL,
+    project_id bigint NOT NULL,
+    name text NOT NULL,
+    description text NOT NULL,
+    actor text NOT NULL,
+    first_seen_at timestamp with time zone DEFAULT now() NOT NULL,
+    last_seen_at timestamp with time zone DEFAULT now() NOT NULL,
+    platform text,
+    created_at timestamp with time zone NOT NULL,
+    updated_at timestamp with time zone NOT NULL,
+    CONSTRAINT check_18a758e537 CHECK ((char_length(name) <= 255)),
+    CONSTRAINT check_b5cb4d3888 CHECK ((char_length(actor) <= 255)),
+    CONSTRAINT check_c739788b12 CHECK ((char_length(description) <= 1024)),
+    CONSTRAINT check_fe99886883 CHECK ((char_length(platform) <= 255))
+);
+
+CREATE SEQUENCE error_tracking_errors_id_seq
+    START WITH 1
+    INCREMENT BY 1
+    NO MINVALUE
+    NO MAXVALUE
+    CACHE 1;
+
+ALTER SEQUENCE error_tracking_errors_id_seq OWNED BY error_tracking_errors.id;
+
 CREATE TABLE events (
     id integer NOT NULL,
     project_id integer,
@@ -19887,6 +19937,10 @@ ALTER TABLE ONLY epic_user_mentions ALTER COLUMN id SET DEFAULT nextval('epic_us
 
 ALTER TABLE ONLY epics ALTER COLUMN id SET DEFAULT nextval('epics_id_seq'::regclass);
 
+ALTER TABLE ONLY error_tracking_error_events ALTER COLUMN id SET DEFAULT nextval('error_tracking_error_events_id_seq'::regclass);
+
+ALTER TABLE ONLY error_tracking_errors ALTER COLUMN id SET DEFAULT nextval('error_tracking_errors_id_seq'::regclass);
+
 ALTER TABLE ONLY events ALTER COLUMN id SET DEFAULT nextval('events_id_seq'::regclass);
 
 ALTER TABLE ONLY evidences ALTER COLUMN id SET DEFAULT nextval('evidences_id_seq'::regclass);
@@ -21197,6 +21251,12 @@ ALTER TABLE ONLY epic_user_mentions
 ALTER TABLE ONLY epics
     ADD CONSTRAINT epics_pkey PRIMARY KEY (id);
 
+ALTER TABLE ONLY error_tracking_error_events
+    ADD CONSTRAINT error_tracking_error_events_pkey PRIMARY KEY (id);
+
+ALTER TABLE ONLY error_tracking_errors
+    ADD CONSTRAINT error_tracking_errors_pkey PRIMARY KEY (id);
+
 ALTER TABLE ONLY events
     ADD CONSTRAINT events_pkey PRIMARY KEY (id);
 
@@ -23343,6 +23403,10 @@ CREATE INDEX index_epics_on_start_date_sourcing_epic_id ON epics USING btree (st
 
 CREATE INDEX index_epics_on_start_date_sourcing_milestone_id ON epics USING btree (start_date_sourcing_milestone_id);
 
+CREATE INDEX index_error_tracking_error_events_on_error_id ON error_tracking_error_events USING btree (error_id);
+
+CREATE INDEX index_error_tracking_errors_on_project_id ON error_tracking_errors USING btree (project_id);
+
 CREATE INDEX index_esc_protected_branches_on_external_status_check_id ON external_status_checks_protected_branches USING btree (external_status_check_id);
 
 CREATE INDEX index_esc_protected_branches_on_protected_branch_id ON external_status_checks_protected_branches USING btree (protected_branch_id);
@@ -26560,6 +26624,9 @@ ALTER TABLE ONLY packages_debian_group_component_files
 ALTER TABLE ONLY boards_epic_board_labels
     ADD CONSTRAINT fk_rails_2bedeb8799 FOREIGN KEY (label_id) REFERENCES labels(id) ON DELETE CASCADE;
 
+ALTER TABLE ONLY error_tracking_error_events
+    ADD CONSTRAINT fk_rails_2c096c0076 FOREIGN KEY (error_id) REFERENCES error_tracking_errors(id) ON DELETE CASCADE;
+
 ALTER TABLE ONLY onboarding_progresses
     ADD CONSTRAINT fk_rails_2ccfd420cc FOREIGN KEY (namespace_id) REFERENCES namespaces(id) ON DELETE CASCADE;
 
@@ -26968,6 +27035,9 @@ ALTER TABLE ONLY plan_limits
 ALTER TABLE ONLY operations_feature_flags_issues
     ADD CONSTRAINT fk_rails_6a8856ca4f FOREIGN KEY (feature_flag_id) REFERENCES operations_feature_flags(id) ON DELETE CASCADE;
 
+ALTER TABLE ONLY error_tracking_errors
+    ADD CONSTRAINT fk_rails_6b41f837ba FOREIGN KEY (project_id) REFERENCES projects(id) ON DELETE CASCADE;
+
 ALTER TABLE ONLY prometheus_alerts
     ADD CONSTRAINT fk_rails_6d9b283465 FOREIGN KEY (environment_id) REFERENCES environments(id) ON DELETE CASCADE;
 
diff --git a/doc/api/graphql/reference/index.md b/doc/api/graphql/reference/index.md
index c1ee5febbad..e836a0d6d54 100644
--- a/doc/api/graphql/reference/index.md
+++ b/doc/api/graphql/reference/index.md
@@ -14378,7 +14378,6 @@ Event action.
 | Value | Description |
 | ----- | ----------- |
 | <a id="eventactionapproved"></a>`APPROVED` | Approved action. |
-| <a id="eventactionarchived"></a>`ARCHIVED` | Archived action. |
 | <a id="eventactionclosed"></a>`CLOSED` | Closed action. |
 | <a id="eventactioncommented"></a>`COMMENTED` | Commented action. |
 | <a id="eventactioncreated"></a>`CREATED` | Created action. |
diff --git a/locale/gitlab.pot b/locale/gitlab.pot
index 34804b16ac6..16529787aa2 100644
--- a/locale/gitlab.pot
+++ b/locale/gitlab.pot
@@ -9093,9 +9093,6 @@ msgstr ""
 msgid "Create blank project"
 msgstr ""
 
-msgid "Create blank project/repository"
-msgstr ""
-
 msgid "Create branch"
 msgstr ""
 
@@ -16503,9 +16500,6 @@ msgstr ""
 msgid "Import project members"
 msgstr ""
 
-msgid "Import project/repository"
-msgstr ""
-
 msgid "Import projects from Bitbucket"
 msgstr ""
 
@@ -25964,9 +25958,6 @@ msgstr ""
 msgid "ProjectsNew|Create blank project"
 msgstr ""
 
-msgid "ProjectsNew|Create blank project/repository"
-msgstr ""
-
 msgid "ProjectsNew|Create from template"
 msgstr ""
 
@@ -25982,9 +25973,6 @@ msgstr ""
 msgid "ProjectsNew|Import project"
 msgstr ""
 
-msgid "ProjectsNew|Import project/repository"
-msgstr ""
-
 msgid "ProjectsNew|Initialize repository with a README"
 msgstr ""
 
diff --git a/spec/controllers/projects_controller_spec.rb b/spec/controllers/projects_controller_spec.rb
index 17d83054319..46c17d6a6fe 100644
--- a/spec/controllers/projects_controller_spec.rb
+++ b/spec/controllers/projects_controller_spec.rb
@@ -459,12 +459,6 @@ RSpec.describe ProjectsController do
 
       post :create, params: { project: project_params }
     end
-
-    it 'tracks a created event for the new_repo experiment', :experiment do
-      expect(experiment(:new_repo, :candidate)).to track(:project_created).on_next_instance
-
-      post :create, params: { project: project_params }
-    end
   end
 
   describe 'POST #archive' do
diff --git a/spec/factories/events.rb b/spec/factories/events.rb
index c9e4ada3ffa..d182dc9f95f 100644
--- a/spec/factories/events.rb
+++ b/spec/factories/events.rb
@@ -17,7 +17,6 @@ FactoryBot.define do
     trait(:left)      { action { :left } }
     trait(:destroyed) { action { :destroyed } }
     trait(:expired)   { action { :expired } }
-    trait(:archived)  { action { :archived } }
     trait(:approved)  { action { :approved } }
 
     factory :closed_issue_event do
diff --git a/spec/features/groups_spec.rb b/spec/features/groups_spec.rb
index 3d89b795342..efde570512f 100644
--- a/spec/features/groups_spec.rb
+++ b/spec/features/groups_spec.rb
@@ -447,35 +447,6 @@ RSpec.describe 'Group' do
     end
   end
 
-  describe 'new_repo experiment' do
-    let_it_be(:group) { create_default(:group) }
-
-    it 'when in candidate renders "project/repository"' do
-      stub_experiments(new_repo: :candidate)
-
-      visit group_path(group)
-
-      find('li.header-new.dropdown').click
-
-      page.within('li.header-new.dropdown') do
-        expect(page).to have_selector('a', text: 'New project/repository')
-      end
-    end
-
-    it 'when in control renders "project/repository"' do
-      stub_experiments(new_repo: :control)
-
-      visit group_path(group)
-
-      find('li.header-new.dropdown').click
-
-      page.within('li.header-new.dropdown') do
-        expect(page).to have_selector('a', text: 'New project')
-        expect(page).to have_no_selector('a', text: 'New project/repository')
-      end
-    end
-  end
-
   def remove_with_confirm(button_text, confirm_with)
     click_button button_text
     fill_in 'confirm_name_input', with: confirm_with
diff --git a/spec/features/projects/activity/user_sees_design_activity_spec.rb b/spec/features/projects/activity/user_sees_design_activity_spec.rb
index 27a52b87178..389e86299e5 100644
--- a/spec/features/projects/activity/user_sees_design_activity_spec.rb
+++ b/spec/features/projects/activity/user_sees_design_activity_spec.rb
@@ -8,7 +8,6 @@ RSpec.describe 'Projects > Activity > User sees design Activity', :js do
   let_it_be(:uploader) { create(:user) }
   let_it_be(:editor) { create(:user) }
   let_it_be(:deleter) { create(:user) }
-  let_it_be(:archiver) { create(:user) }
 
   def design_activity(user, action)
     [user.name, user.to_reference, action, 'design'].join(' ')
@@ -24,7 +23,6 @@ RSpec.describe 'Projects > Activity > User sees design Activity', :js do
       create(:design_event, :created, author: uploader, **common_attrs)
       create(:design_event, :updated, author: editor, **common_attrs)
       create(:design_event, :destroyed, author: deleter, **common_attrs)
-      create(:design_event, :archived, author: archiver, **common_attrs)
     end
 
     before do
@@ -39,7 +37,6 @@ RSpec.describe 'Projects > Activity > User sees design Activity', :js do
       expect(page).to have_content(design_activity(uploader, 'uploaded'))
       expect(page).to have_content(design_activity(editor, 'revised'))
       expect(page).to have_content(design_activity(deleter, 'deleted'))
-      expect(page).to have_content(design_activity(archiver, 'archived'))
     end
 
     it 'allows filtering out the design events', :aggregate_failures do
@@ -48,7 +45,6 @@ RSpec.describe 'Projects > Activity > User sees design Activity', :js do
       expect(page).not_to have_content(design_activity(uploader, 'uploaded'))
       expect(page).not_to have_content(design_activity(editor, 'revised'))
       expect(page).not_to have_content(design_activity(deleter, 'deleted'))
-      expect(page).not_to have_content(design_activity(archiver, 'archived'))
     end
 
     it 'allows filtering in the design events', :aggregate_failures do
@@ -58,7 +54,6 @@ RSpec.describe 'Projects > Activity > User sees design Activity', :js do
       expect(page).to have_content(design_activity(uploader, 'uploaded'))
       expect(page).to have_content(design_activity(editor, 'revised'))
       expect(page).to have_content(design_activity(deleter, 'deleted'))
-      expect(page).to have_content(design_activity(archiver, 'archived'))
     end
   end
 
diff --git a/spec/features/projects/new_project_spec.rb b/spec/features/projects/new_project_spec.rb
index bdca8dd84c9..70a7465a63d 100644
--- a/spec/features/projects/new_project_spec.rb
+++ b/spec/features/projects/new_project_spec.rb
@@ -14,75 +14,6 @@ RSpec.describe 'New project', :js do
         sign_in(user)
       end
 
-      context 'new repo experiment', :experiment do
-        it 'when in control renders "project"' do
-          stub_experiments(new_repo: :control)
-
-          visit new_project_path
-
-          find('li.header-new.dropdown').click
-
-          page.within('li.header-new.dropdown') do
-            expect(page).to have_selector('a', text: 'New project')
-            expect(page).to have_no_selector('a', text: 'New project/repository')
-          end
-
-          expect(page).to have_selector('h3', text: 'Create blank project')
-          expect(page).to have_no_selector('h3', text: 'Create blank project/repository')
-        end
-
-        it 'when in candidate renders "project/repository"' do
-          stub_experiments(new_repo: :candidate)
-
-          visit new_project_path
-
-          find('li.header-new.dropdown').click
-
-          page.within('li.header-new.dropdown') do
-            expect(page).to have_selector('a', text: 'New project/repository')
-          end
-
-          expect(page).to have_selector('h3', text: 'Create blank project/repository')
-        end
-
-        it 'when in control it renders "project" in the new projects dropdown' do
-          stub_experiments(new_repo: :control)
-
-          visit new_project_path
-
-          open_top_nav_projects
-
-          within_top_nav do
-            if Feature.enabled?(:combined_menu, default_enabled: :yaml)
-              expect(page).to have_selector('a', text: 'Create new project')
-              expect(page).to have_no_selector('a', text: 'Create blank project/repository')
-            else
-              expect(page).to have_selector('a', text: 'Create blank project')
-              expect(page).to have_selector('a', text: 'Import project')
-              expect(page).to have_no_selector('a', text: 'Create blank project/repository')
-              expect(page).to have_no_selector('a', text: 'Import project/repository')
-            end
-          end
-        end
-
-        it 'when in candidate it renders "project/repository" in the new projects dropdown' do
-          stub_experiments(new_repo: :candidate)
-
-          visit new_project_path
-
-          open_top_nav_projects
-
-          within_top_nav do
-            if Feature.enabled?(:combined_menu, default_enabled: :yaml)
-              expect(page).to have_selector('a', text: 'Create new project')
-            else
-              expect(page).to have_selector('a', text: 'Create blank project/repository')
-              expect(page).to have_selector('a', text: 'Import project/repository')
-            end
-          end
-        end
-      end
-
       it 'shows a message if multiple levels are restricted' do
         Gitlab::CurrentSettings.update!(
           restricted_visibility_levels: [Gitlab::VisibilityLevel::PRIVATE, Gitlab::VisibilityLevel::INTERNAL]
diff --git a/spec/frontend/pages/projects/new/components/app_spec.js b/spec/frontend/pages/projects/new/components/app_spec.js
index b604e636243..ab8c6d529a8 100644
--- a/spec/frontend/pages/projects/new/components/app_spec.js
+++ b/spec/frontend/pages/projects/new/components/app_spec.js
@@ -1,13 +1,10 @@
 import { shallowMount } from '@vue/test-utils';
-import { assignGitlabExperiment } from 'helpers/experimentation_helper';
 import App from '~/pages/projects/new/components/app.vue';
 import NewNamespacePage from '~/vue_shared/new_namespace/new_namespace_page.vue';
 
 describe('Experimental new project creation app', () => {
   let wrapper;
 
-  const findNewNamespacePage = () => wrapper.findComponent(NewNamespacePage);
-
   const createComponent = (propsData) => {
     wrapper = shallowMount(App, { propsData });
   };
@@ -16,36 +13,6 @@ describe('Experimental new project creation app', () => {
     wrapper.destroy();
   });
 
-  describe('new_repo experiment', () => {
-    it('passes new_repo experiment', () => {
-      createComponent();
-
-      expect(findNewNamespacePage().props().experiment).toBe('new_repo');
-    });
-
-    describe('when in the candidate variant', () => {
-      assignGitlabExperiment('new_repo', 'candidate');
-
-      it('has "repository" in the panel title', () => {
-        createComponent();
-
-        expect(findNewNamespacePage().props().panels[0].title).toBe(
-          'Create blank project/repository',
-        );
-      });
-    });
-
-    describe('when in the control variant', () => {
-      assignGitlabExperiment('new_repo', 'control');
-
-      it('has "project" in the panel title', () => {
-        createComponent();
-
-        expect(findNewNamespacePage().props().panels[0].title).toBe('Create blank project');
-      });
-    });
-  });
-
   it('passes custom new project guideline text to underlying component', () => {
     const DEMO_GUIDELINES = 'Demo guidelines';
     const guidelineSelector = '#new-project-guideline';
diff --git a/spec/frontend/projects/settings/components/shared_runners_toggle_spec.js b/spec/frontend/projects/settings/components/shared_runners_toggle_spec.js
index b592db8a64e..0c5bbe2a115 100644
--- a/spec/frontend/projects/settings/components/shared_runners_toggle_spec.js
+++ b/spec/frontend/projects/settings/components/shared_runners_toggle_spec.js
@@ -1,8 +1,6 @@
 import { GlAlert, GlToggle, GlTooltip } from '@gitlab/ui';
 import { shallowMount } from '@vue/test-utils';
 import MockAxiosAdapter from 'axios-mock-adapter';
-import CcValidationRequiredAlert from 'ee_component/billings/components/cc_validation_required_alert.vue';
-import { TEST_HOST } from 'helpers/test_constants';
 import waitForPromises from 'helpers/wait_for_promises';
 import axios from '~/lib/utils/axios_utils';
 import SharedRunnersToggleComponent from '~/projects/settings/components/shared_runners_toggle.vue';
@@ -31,7 +29,6 @@ describe('projects/settings/components/shared_runners', () => {
   const findErrorAlert = () => wrapper.find(GlAlert);
   const findSharedRunnersToggle = () => wrapper.find(GlToggle);
   const findToggleTooltip = () => wrapper.find(GlTooltip);
-  const findCcValidationRequiredAlert = () => wrapper.findComponent(CcValidationRequiredAlert);
   const getToggleValue = () => findSharedRunnersToggle().props('value');
   const isToggleLoading = () => findSharedRunnersToggle().props('isLoading');
   const isToggleDisabled = () => findSharedRunnersToggle().props('disabled');
@@ -158,40 +155,4 @@ describe('projects/settings/components/shared_runners', () => {
       });
     });
   });
-
-  describe('with credit card validation required and shared runners DISABLED', () => {
-    beforeEach(() => {
-      window.gon = {
-        subscriptions_url: TEST_HOST,
-        payment_form_url: TEST_HOST,
-      };
-
-      createComponent({
-        isCreditCardValidationRequired: true,
-        isEnabled: false,
-      });
-    });
-
-    it('toggle should not be visible', () => {
-      expect(findSharedRunnersToggle().exists()).toBe(false);
-    });
-
-    it('credit card validation component should exist', () => {
-      expect(findCcValidationRequiredAlert().exists()).toBe(true);
-      expect(findCcValidationRequiredAlert().text()).toBe(
-        SharedRunnersToggleComponent.i18n.REQUIRES_VALIDATION_TEXT,
-      );
-    });
-
-    describe('when credit card is validated', () => {
-      it('should show the toggle button', async () => {
-        findCcValidationRequiredAlert().vm.$emit('verifiedCreditCard');
-        await waitForPromises();
-
-        expect(findSharedRunnersToggle().exists()).toBe(true);
-        expect(getToggleValue()).toBe(false);
-        expect(isToggleDisabled()).toBe(false);
-      });
-    });
-  });
 });
diff --git a/spec/frontend/vue_shared/new_namespace/components/welcome_spec.js b/spec/frontend/vue_shared/new_namespace/components/welcome_spec.js
index 602213fca83..2d51f6dbeeb 100644
--- a/spec/frontend/vue_shared/new_namespace/components/welcome_spec.js
+++ b/spec/frontend/vue_shared/new_namespace/components/welcome_spec.js
@@ -1,12 +1,8 @@
 import { shallowMount } from '@vue/test-utils';
 import { nextTick } from 'vue';
 import { mockTracking } from 'helpers/tracking_helper';
-import { TRACKING_CONTEXT_SCHEMA } from '~/experimentation/constants';
-import { getExperimentData } from '~/experimentation/utils';
 import WelcomePage from '~/vue_shared/new_namespace/components/welcome.vue';
 
-jest.mock('~/experimentation/utils', () => ({ getExperimentData: jest.fn() }));
-
 describe('Welcome page', () => {
   let wrapper;
   let trackingSpy;
@@ -28,7 +24,6 @@ describe('Welcome page', () => {
   beforeEach(() => {
     trackingSpy = mockTracking('_category_', document, jest.spyOn);
     trackingSpy.mockImplementation(() => {});
-    getExperimentData.mockReturnValue(undefined);
   });
 
   afterEach(() => {
@@ -38,7 +33,7 @@ describe('Welcome page', () => {
   });
 
   it('tracks link clicks', async () => {
-    createComponent({ propsData: { experiment: 'foo', panels: [{ name: 'test', href: '#' }] } });
+    createComponent({ propsData: { panels: [{ name: 'test', href: '#' }] } });
     const link = wrapper.find('a');
     link.trigger('click');
     await nextTick();
@@ -47,25 +42,6 @@ describe('Welcome page', () => {
     });
   });
 
-  it('adds experiment data if in experiment', async () => {
-    const mockExperimentData = 'data';
-    getExperimentData.mockReturnValue(mockExperimentData);
-
-    createComponent({ propsData: { experiment: 'foo', panels: [{ name: 'test', href: '#' }] } });
-    const link = wrapper.find('a');
-    link.trigger('click');
-    await nextTick();
-    return wrapper.vm.$nextTick().then(() => {
-      expect(trackingSpy).toHaveBeenCalledWith(undefined, 'click_tab', {
-        label: 'test',
-        context: {
-          data: mockExperimentData,
-          schema: TRACKING_CONTEXT_SCHEMA,
-        },
-      });
-    });
-  });
-
   it('renders footer slot if provided', () => {
     const DUMMY = 'Test message';
     createComponent({
diff --git a/spec/frontend/vue_shared/new_namespace/new_namespace_page_spec.js b/spec/frontend/vue_shared/new_namespace/new_namespace_page_spec.js
index 30937921900..6115dc6e61b 100644
--- a/spec/frontend/vue_shared/new_namespace/new_namespace_page_spec.js
+++ b/spec/frontend/vue_shared/new_namespace/new_namespace_page_spec.js
@@ -37,13 +37,6 @@ describe('Experimental new project creation app', () => {
     window.location.hash = '';
   });
 
-  it('passes experiment to welcome component if provided', () => {
-    const EXPERIMENT = 'foo';
-    createComponent({ propsData: { experiment: EXPERIMENT } });
-
-    expect(findWelcomePage().props().experiment).toBe(EXPERIMENT);
-  });
-
   describe('with empty hash', () => {
     beforeEach(() => {
       createComponent();
diff --git a/spec/helpers/nav/new_dropdown_helper_spec.rb b/spec/helpers/nav/new_dropdown_helper_spec.rb
index dd860ce3180..e3d9bc5b174 100644
--- a/spec/helpers/nav/new_dropdown_helper_spec.rb
+++ b/spec/helpers/nav/new_dropdown_helper_spec.rb
@@ -13,7 +13,6 @@ RSpec.describe Nav::NewDropdownHelper do
     let(:with_can_create_project) { false }
     let(:with_can_create_group) { false }
     let(:with_can_create_snippet) { false }
-    let(:with_new_repo_experiment) { :control }
     let(:with_invite_members_experiment) { false }
     let(:with_invite_members_experiment_enabled) { false }
 
@@ -29,7 +28,6 @@ RSpec.describe Nav::NewDropdownHelper do
     end
 
     before do
-      stub_experiments(new_repo: with_new_repo_experiment)
       allow(::Gitlab::Experimentation).to receive(:active?).with(:invite_members_new_dropdown) { with_invite_members_experiment }
       allow(helper).to receive(:experiment_enabled?).with(:invite_members_new_dropdown) { with_invite_members_experiment_enabled }
       allow(helper).to receive(:tracking_label) { 'test_tracking_label' }
@@ -43,19 +41,6 @@ RSpec.describe Nav::NewDropdownHelper do
       allow(user).to receive(:can?).with(:create_snippet) { with_can_create_snippet }
     end
 
-    shared_examples 'new repo experiment shared example' do |title|
-      let(:with_new_repo_experiment) { :candidate }
-
-      it 'has experiment project title' do
-        expect(subject[:menu_sections]).to match(
-          expected_menu_section(
-            title: title,
-            menu_item: a_hash_including(title: 'New project/repository')
-          )
-        )
-      end
-    end
-
     shared_examples 'invite member link shared example' do
       it 'shows invite member link' do
         expect(subject[:menu_sections]).to eq(
@@ -117,15 +102,13 @@ RSpec.describe Nav::NewDropdownHelper do
               title: 'GitLab',
               menu_item: ::Gitlab::Nav::TopNavMenuItem.build(
                 id: 'general_new_project',
-                title: 'New project',
+                title: 'New project/repository',
                 href: '/projects/new',
-                data: { track_experiment: 'new_repo', track_event: 'click_link_new_project', track_label: 'plus_menu_dropdown', qa_selector: 'global_new_project_link' }
+                data: { track_event: 'click_link_new_project', track_label: 'plus_menu_dropdown', qa_selector: 'global_new_project_link' }
               )
             )
           )
         end
-
-        it_behaves_like 'new repo experiment shared example', 'GitLab'
       end
 
       context 'when can create group' do
@@ -193,15 +176,13 @@ RSpec.describe Nav::NewDropdownHelper do
               title: 'This group',
               menu_item: ::Gitlab::Nav::TopNavMenuItem.build(
                 id: 'new_project',
-                title: 'New project',
+                title: 'New project/repository',
                 href: "/projects/new?namespace_id=#{group.id}",
-                data: { track_experiment: 'new_repo', track_event: 'click_link_new_project_group', track_label: 'plus_menu_dropdown' }
+                data: { track_event: 'click_link_new_project_group', track_label: 'plus_menu_dropdown' }
               )
             )
           )
         end
-
-        it_behaves_like 'new repo experiment shared example', 'This group'
       end
 
       context 'when can create subgroup' do
diff --git a/spec/helpers/nav/top_nav_helper_spec.rb b/spec/helpers/nav/top_nav_helper_spec.rb
index 466068b7b41..4d6da258536 100644
--- a/spec/helpers/nav/top_nav_helper_spec.rb
+++ b/spec/helpers/nav/top_nav_helper_spec.rb
@@ -143,7 +143,6 @@ RSpec.describe Nav::TopNavHelper do
             css_class: 'qa-projects-dropdown',
             data: {
               track_event: 'click_dropdown',
-              track_experiment: 'new_repo',
               track_label: 'projects_dropdown'
             },
             icon: 'project',
diff --git a/spec/models/error_tracking/error_event_spec.rb b/spec/models/error_tracking/error_event_spec.rb
new file mode 100644
index 00000000000..331661f88cc
--- /dev/null
+++ b/spec/models/error_tracking/error_event_spec.rb
@@ -0,0 +1,14 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe ErrorTracking::ErrorEvent, type: :model do
+  describe 'relationships' do
+    it { is_expected.to belong_to(:error) }
+  end
+
+  describe 'validations' do
+    it { is_expected.to validate_presence_of(:description) }
+    it { is_expected.to validate_presence_of(:occurred_at) }
+  end
+end
diff --git a/spec/models/error_tracking/error_spec.rb b/spec/models/error_tracking/error_spec.rb
new file mode 100644
index 00000000000..8591802d15c
--- /dev/null
+++ b/spec/models/error_tracking/error_spec.rb
@@ -0,0 +1,16 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe ErrorTracking::Error, type: :model do
+  describe 'relationships' do
+    it { is_expected.to belong_to(:project) }
+    it { is_expected.to have_many(:events) }
+  end
+
+  describe 'validations' do
+    it { is_expected.to validate_presence_of(:name) }
+    it { is_expected.to validate_presence_of(:description) }
+    it { is_expected.to validate_presence_of(:actor) }
+  end
+end
diff --git a/spec/models/event_spec.rb b/spec/models/event_spec.rb
index f1aeacb86a8..fc229dcaa22 100644
--- a/spec/models/event_spec.rb
+++ b/spec/models/event_spec.rb
@@ -978,14 +978,13 @@ RSpec.describe Event do
 
   describe '#action_name' do
     it 'handles all valid design events' do
-      created, updated, destroyed, archived = %i[created updated destroyed archived].map do |trait|
+      created, updated, destroyed = %i[created updated destroyed].map do |trait|
         build(:design_event, trait).action_name
       end
 
       expect(created).to eq('uploaded')
       expect(updated).to eq('revised')
       expect(destroyed).to eq('deleted')
-      expect(archived).to eq('archived')
     end
 
     it 'handles correct push_action' do