diff --git a/src/api/app/controllers/concerns/scmsync_checker.rb b/src/api/app/controllers/concerns/scmsync_checker.rb
index 166efa67613..6c007a5d46f 100644
--- a/src/api/app/controllers/concerns/scmsync_checker.rb
+++ b/src/api/app/controllers/concerns/scmsync_checker.rb
@@ -4,6 +4,7 @@ module ScmsyncChecker
   extend ActiveSupport::Concern
 
   def check_scmsync
+    return if Flipper.enabled?(:scmsync, User.session)
     return if @project&.scmsync.blank?
 
     flash[:error] = "The project #{@project.name} is configured through scmsync. This is not supported by the OBS frontend"
diff --git a/src/api/app/controllers/webui/package_controller.rb b/src/api/app/controllers/webui/package_controller.rb
index bf954522569..b5183ff2219 100644
--- a/src/api/app/controllers/webui/package_controller.rb
+++ b/src/api/app/controllers/webui/package_controller.rb
@@ -16,12 +16,16 @@ class Webui::PackageController < Webui::WebuiController
                                        save_person save_group remove_role view_file
                                        buildresult rpmlint_result rpmlint_log rpmlint_summary files]
 
-  before_action :check_scmsync, only: %i[requests revisions statistics users]
+  before_action :check_scmsync, only: %i[statistics users requests revisions]
 
   before_action :set_package, only: %i[edit update show requests statistics revisions
                                        branch_diff_info rdiff remove
                                        save_person save_group remove_role view_file
-                                       buildresult rpmlint_result rpmlint_log rpmlint_summary files users]
+                                       buildresult rpmlint_result rpmlint_log rpmlint_summary files users],
+                              unless: -> { Flipper.enabled?(:scmsync, User.session) }
+  before_action :set_package_with_scmsync, only: %i[show revisions branch_diff_info rdiff view_file buildresult
+                                                    rpmlint_result rpmlint_log rpmlint_summary files users],
+                                           if: -> { Flipper.enabled?(:scmsync, User.session) }
   # rubocop:enable Rails/LexicallyScopedActionFilter
   before_action :lints_list, only: %i[rpmlint_summary]
 
@@ -37,7 +41,7 @@ def index
 
   def show
     # FIXME: Remove this statement when scmsync is fully supported
-    if @project.scmsync.present?
+    if @project.scmsync.present? && !Flipper.enabled?(:scmsync, User.session)
       flash[:error] = "Package sources for project #{@project.name} are received through scmsync.
                        This is not supported by the OBS frontend"
       redirect_back_or_to project_show_path(@project)
diff --git a/src/api/app/controllers/webui/packages/binaries_controller.rb b/src/api/app/controllers/webui/packages/binaries_controller.rb
index 8993c4e4287..ee7c5f32b9c 100644
--- a/src/api/app/controllers/webui/packages/binaries_controller.rb
+++ b/src/api/app/controllers/webui/packages/binaries_controller.rb
@@ -13,7 +13,8 @@ class BinariesController < Webui::WebuiController
       before_action :require_login, except: [:index]
       before_action :set_project
       before_action :check_scmsync
-      before_action :set_package
+      before_action :set_package, unless: -> { Flipper.enabled?(:scmsync, User.session) }
+      before_action :set_package_with_scmsync, if: -> { Flipper.enabled?(:scmsync, User.session) }
       before_action :set_multibuild_flavor
       before_action :set_repository
       before_action :set_architecture, only: %i[show dependency filelist]
diff --git a/src/api/app/controllers/webui/packages/build_reason_controller.rb b/src/api/app/controllers/webui/packages/build_reason_controller.rb
index e51e79fcd7f..e034310e041 100644
--- a/src/api/app/controllers/webui/packages/build_reason_controller.rb
+++ b/src/api/app/controllers/webui/packages/build_reason_controller.rb
@@ -5,7 +5,8 @@ class BuildReasonController < Webui::WebuiController
 
       before_action :set_project
       before_action :check_scmsync
-      before_action :set_package
+      before_action :set_package, unless: -> { Flipper.enabled?(:scmsync, User.session) }
+      before_action :set_package_with_scmsync, if: -> { Flipper.enabled?(:scmsync, User.session) }
       before_action :set_repository
       before_action :set_architecture
 
diff --git a/src/api/app/controllers/webui/packages/files_controller.rb b/src/api/app/controllers/webui/packages/files_controller.rb
index 573858c7f47..e86276f408f 100644
--- a/src/api/app/controllers/webui/packages/files_controller.rb
+++ b/src/api/app/controllers/webui/packages/files_controller.rb
@@ -6,7 +6,8 @@ class FilesController < Webui::WebuiController
 
       before_action :set_project
       before_action :check_scmsync, only: :show
-      before_action :set_package
+      before_action :set_package, unless: -> { Flipper.enabled?(:scmsync, User.session) }
+      before_action :set_package_with_scmsync, if: -> { Flipper.enabled?(:scmsync, User.session) }
       before_action :set_filename, only: %i[show update destroy blame]
       before_action :ensure_existence, only: %i[show blame]
       before_action :ensure_viewable, only: %i[show blame]
diff --git a/src/api/app/controllers/webui/packages/job_history_controller.rb b/src/api/app/controllers/webui/packages/job_history_controller.rb
index 46244edbd9d..ebc79d88757 100644
--- a/src/api/app/controllers/webui/packages/job_history_controller.rb
+++ b/src/api/app/controllers/webui/packages/job_history_controller.rb
@@ -5,7 +5,8 @@ class JobHistoryController < Webui::WebuiController
 
       before_action :set_project
       before_action :check_scmsync
-      before_action :set_package
+      before_action :set_package, unless: -> { Flipper.enabled?(:scmsync, User.session) }
+      before_action :set_package_with_scmsync, if: -> { Flipper.enabled?(:scmsync, User.session) }
       before_action :set_repository
       before_action :set_architecture
 
diff --git a/src/api/app/controllers/webui/packages/meta_controller.rb b/src/api/app/controllers/webui/packages/meta_controller.rb
index 4fc400afe14..206e3a4ce00 100644
--- a/src/api/app/controllers/webui/packages/meta_controller.rb
+++ b/src/api/app/controllers/webui/packages/meta_controller.rb
@@ -4,7 +4,8 @@ class MetaController < Webui::WebuiController
       include ScmsyncChecker
 
       before_action :set_project
-      before_action :set_package
+      before_action :set_package, unless: -> { Flipper.enabled?(:scmsync, User.session) }
+      before_action :set_package_with_scmsync, if: -> { Flipper.enabled?(:scmsync, User.session) }
 
       before_action :check_scmsync
       before_action :validate_xml, only: :update
diff --git a/src/api/app/controllers/webui/repositories_controller.rb b/src/api/app/controllers/webui/repositories_controller.rb
index e1f2b9bd591..b8d48b17ee6 100644
--- a/src/api/app/controllers/webui/repositories_controller.rb
+++ b/src/api/app/controllers/webui/repositories_controller.rb
@@ -5,7 +5,8 @@ class Webui::RepositoriesController < Webui::WebuiController
   before_action :check_scmsync, if: -> { params[:package] }
   before_action :set_repository, only: %i[state mark_important]
   before_action :set_architectures, only: %i[index change_flag]
-  before_action :set_package, only: %i[index change_flag], if: -> { params[:package] }
+  before_action :set_package, only: %i[index change_flag], if: -> { params[:package] && !Flipper.enabled?(:scmsync, User.session) }
+  before_action :set_package_with_scmsync, only: %i[index change_flag], if: -> { params[:package] && Flipper.enabled?(:scmsync, User.session) }
   before_action :set_main_object, only: %i[index change_flag]
   before_action :check_ajax, only: :change_flag
   after_action :verify_authorized, except: %i[index state]
diff --git a/src/api/app/controllers/webui/webui_controller.rb b/src/api/app/controllers/webui/webui_controller.rb
index 23ca5769876..9299cc22492 100644
--- a/src/api/app/controllers/webui/webui_controller.rb
+++ b/src/api/app/controllers/webui/webui_controller.rb
@@ -105,6 +105,21 @@ def set_package
     end
   end
 
+  def set_package_with_scmsync
+    @package_name = params[:package] || params[:package_name]
+
+    return if @package_name.blank?
+
+    begin
+      @package = Package.get_by_project_and_name(@project.name, @package_name,
+                                                 follow_multibuild: true,
+                                                 follow_project_scmsync_links: Flipper.enabled?(:scmsync, User.session))
+    # why it's not found is of no concern
+    rescue APIError
+      raise Package::UnknownObjectError, "Package not found: #{@project.name}/#{@package_name}"
+    end
+  end
+
   def set_repository
     repository_name = params[:repository] || params[:repository_name]
     @repository = @project.repositories.find_by(name: repository_name)
diff --git a/src/api/app/models/package.rb b/src/api/app/models/package.rb
index 19fda578d09..795fedef712 100644
--- a/src/api/app/models/package.rb
+++ b/src/api/app/models/package.rb
@@ -1005,6 +1005,8 @@ def update_instance(namespace = 'OBS', name = 'UpdateProject')
   end
 
   def developed_packages
+    return [] unless persisted?
+
     packages = []
     candidates = Package.where(develpackage_id: self).load
     candidates.each do |candidate|
@@ -1046,6 +1048,8 @@ def update_if_dirty
   end
 
   def linking_packages
+    return [] unless persisted?
+
     ::Package.joins(:backend_package).where(backend_packages: { links_to_id: id })
   end
 
diff --git a/src/api/app/models/project.rb b/src/api/app/models/project.rb
index b936912ddbb..9540dcef58e 100644
--- a/src/api/app/models/project.rb
+++ b/src/api/app/models/project.rb
@@ -410,6 +410,12 @@ def very_important_projects_with_categories
     # class_methods
   end
 
+  def backend_only_packages
+    Nokogiri::XML(Backend::Api::Search.packages_for_project(name)).xpath('//package').map do |package|
+      Package.get_by_project_and_name(name, package['name'], follow_multibuild: true, follow_project_scmsync_links: true)
+    end
+  end
+
   def config
     @config ||= ProjectConfigFile.new(project_name: name)
   end
diff --git a/src/api/app/views/webui/package/_files_view.html.haml b/src/api/app/views/webui/package/_files_view.html.haml
index f0175ea8108..7c78641c77e 100644
--- a/src/api/app/views/webui/package/_files_view.html.haml
+++ b/src/api/app/views/webui/package/_files_view.html.haml
@@ -2,7 +2,7 @@
 - nobody = !User.session
 
 .card-body
-  - if files.present?
+  - if files.present? && (!Flipper.enabled?(:scmsync, User.session) || !package.scmsync.present? || revision_parameter.present?)
     %table.table.table-bordered.table-hover.table-sm.dt-responsive.w-100#files-table
       %thead
         %tr
@@ -16,6 +16,13 @@
         can_modify: user_can_modify_package, nobody: nobody, srcmd5: srcmd5 }
         = render partial: 'file', collection: files,
         cached: proc { |file| [file['name'], file['mtime'], file['md5'], file_locals].hash }, locals: file_locals
+  - elsif Flipper.enabled?(:scmsync, User.session) && package.scmsync.present?
+    %i
+      This package is managed with
+      #{link_to('SCM', package.scmsync)}.
+      You can also
+      = link_to('browse source', package_show_path(project, package, rev: revision))
+      here
   - else
     %i This package has no files yet
   - if user_can_modify_package
diff --git a/src/api/app/views/webui/package/_show_actions.html.haml b/src/api/app/views/webui/package/_show_actions.html.haml
index 496eeb37d6c..dcf8bf7dc02 100644
--- a/src/api/app/views/webui/package/_show_actions.html.haml
+++ b/src/api/app/views/webui/package/_show_actions.html.haml
@@ -2,27 +2,28 @@
   %li.nav-item.action-report-bug
     = render partial: 'webui/package/show_actions/bugzilla_owner', locals: { url: package.report_bug_or_bugzilla_url }
   - if User.session
-    - if current_rev && is_working && is_branchable
+    - if current_rev && is_working && is_branchable && !package.readonly?
       = render partial: 'webui/package/show_actions/branch_package', locals: { package: package, project: project,
                                                                                              revision: revision }
     - if current_rev && is_working
       = render partial: 'webui/package/show_actions/submit_package', locals: { package: package, project: project,
                                                                                              revision: revision }
-    - if User.possibly_nobody.can_modify?(package)
-      = render partial: 'webui/package/show_actions/delete_package'
+    - unless package.readonly?
+      - if User.possibly_nobody.can_modify?(package)
+        = render partial: 'webui/package/show_actions/delete_package'
 
-      - if package.kiwi_image? && policy(package).update?
-        = render partial: 'webui/package/show_actions/view_kiwi', locals: { package_id: package.id }
+        - if package.kiwi_image? && policy(package).update?
+          = render partial: 'webui/package/show_actions/view_kiwi', locals: { package_id: package.id }
 
-      - if services.present?
-        = render partial: 'webui/package/show_actions/trigger_services', locals: { package: package, project: project }
-    - else
-      = render partial: 'webui/package/show_actions/request_role_addition', locals: { package: package, project: project }
-      = render partial: 'webui/package/show_actions/request_deletion', locals: { package: package, project: project }
+        - if services.present?
+          = render partial: 'webui/package/show_actions/trigger_services', locals: { package: package, project: project }
+      - else
+        = render partial: 'webui/package/show_actions/request_role_addition', locals: { package: package, project: project }
+        = render partial: 'webui/package/show_actions/request_deletion', locals: { package: package, project: project }
 
-      //TODO: only users w/o rights should see this, maintainers should get a different dialog:
-    - if package.develpackage
-      = render partial: 'webui/package/show_actions/request_devel_project_change', locals: { package: package, project: project }
+        //TODO: only users w/o rights should see this, maintainers should get a different dialog:
+      - if package.develpackage
+        = render partial: 'webui/package/show_actions/request_devel_project_change', locals: { package: package, project: project }
 
-  = render partial: 'webui/shared/lock_unlock_comment', locals: { commentable: package }
-  = render partial: 'webui/package/show_actions/report_package', locals: { package: package }
+      = render partial: 'webui/shared/lock_unlock_comment', locals: { commentable: package }
+      = render partial: 'webui/package/show_actions/report_package', locals: { package: package }
diff --git a/src/api/app/views/webui/package/_tabs.html.haml b/src/api/app/views/webui/package/_tabs.html.haml
index f2e2ee94d51..a218f512f93 100644
--- a/src/api/app/views/webui/package/_tabs.html.haml
+++ b/src/api/app/views/webui/package/_tabs.html.haml
@@ -10,13 +10,15 @@
       - if Flipper.enabled?(:request_show_redesign, User.possibly_nobody)
         = tab_link('RPM Lint', rpmlint_result_path(project, package), 'scrollable-tab-link')
       = tab_link('Revisions', package_view_revisions_path(project, package), 'scrollable-tab-link')
-      - if Flipper.enabled?(:request_index, User.session)
-        = tab_link('Requests', packages_requests_path(project,
-                                                      package,
-                                                      state: %w[new review]),
-                               'scrollable-tab-link', active: controller_name == 'bs_requests')
-      - else
-        = tab_link('Requests', package_requests_path(project, package), 'scrollable-tab-link')
+      - unless package.readonly?
+        - if Flipper.enabled?(:request_index, User.session)
+          = tab_link('Requests', packages_requests_path(project,
+                                                        package,
+                                                        state: %w[new review]),
+                                 'scrollable-tab-link', active: controller_name == 'bs_requests')
+        - else
+          = tab_link('Requests', package_requests_path(project, package), 'scrollable-tab-link')
       = tab_link('Users', package_users_path(project, package), 'scrollable-tab-link')
-      = tab_link('Attributes', index_attribs_path(project, package), 'scrollable-tab-link')
+      - unless package.readonly?
+        = tab_link('Attributes', index_attribs_path(project, package), 'scrollable-tab-link')
       = tab_link('Meta', project_package_meta_path(project, package), 'scrollable-tab-link')
diff --git a/src/api/app/views/webui/package/show.html.haml b/src/api/app/views/webui/package/show.html.haml
index 08a49e1378f..e0ef0a1ec84 100644
--- a/src/api/app/views/webui/package/show.html.haml
+++ b/src/api/app/views/webui/package/show.html.haml
@@ -85,17 +85,19 @@
                                                   is_current_rev: @is_current_rev,
                                                   current_rev: @current_rev,
                                                   revision: @revision,
+                                                  revision_parameter: @revision_parameter,
                                                   srcmd5: @srcmd5,
                                                   spider_bot: @spider_bot }
-  .comments
-    .card#comments-list
-      %h5.card-header.text-word-break-all
-        Comments
-        %span.badge.text-bg-primary{ id: "comment-counter-package-#{@package.id}" }
-          = @comments.length
-      .card-body#comments
-        = render partial: 'webui/comment/show', locals: { commentable: @package,
-          comment_counter_id: "#comment-counter-package-#{@package.id}" }
+  - unless @package.readonly?
+    .comments
+      .card#comments-list
+        %h5.card-header.text-word-break-all
+          Comments
+          %span.badge.text-bg-primary{ id: "comment-counter-package-#{@package.id}" }
+            = @comments.length
+        .card-body#comments
+          = render partial: 'webui/comment/show', locals: { commentable: @package,
+            comment_counter_id: "#comment-counter-package-#{@package.id}" }
 - if User.session && User.possibly_nobody.can_modify?(@package)
   = render partial: 'delete_dialog', locals: { project: @project, package: @package, cleanup_source: @cleanup_source }
 
diff --git a/src/api/app/views/webui/package/side_links/_assignments.html.haml b/src/api/app/views/webui/package/side_links/_assignments.html.haml
index 03010847f79..c17c6016f7b 100644
--- a/src/api/app/views/webui/package/side_links/_assignments.html.haml
+++ b/src/api/app/views/webui/package/side_links/_assignments.html.haml
@@ -8,7 +8,7 @@
       %p.mb-0.link-danger
         %i.fas.fa-user-minus
         Unassign
-- else
+- elsif !package.readonly?
   .dropdown#assignment-search
     %button.btn.btn-sm.dropdown-toggle.ps-0.border-0{ data: { 'bs-toggle': 'dropdown', 'bs-auto-close': 'outside' }, aria: { expanded: 'false' } }
       %strong
diff --git a/src/api/app/views/webui/packages/build_log/live_build_log.html.haml b/src/api/app/views/webui/packages/build_log/live_build_log.html.haml
index 70493577b39..c58195740f7 100644
--- a/src/api/app/views/webui/packages/build_log/live_build_log.html.haml
+++ b/src/api/app/views/webui/packages/build_log/live_build_log.html.haml
@@ -2,7 +2,7 @@
 - @metarobots = 'noindex,nofollow'
 
 .card.mb-3
-  - unless @project.scmsync
+  - if Flipper.enabled?(:scmsync, User.session) || !@project.scmsync
     = render partial: 'webui/package/tabs', locals: { project: @project, package: @package }
   .card-body
     %h3= @pagetitle
diff --git a/src/api/app/views/webui/project/_project_packages.html.haml b/src/api/app/views/webui/project/_project_packages.html.haml
index 063c4dcb7b0..63e086ecd66 100644
--- a/src/api/app/views/webui/project/_project_packages.html.haml
+++ b/src/api/app/views/webui/project/_project_packages.html.haml
@@ -7,9 +7,25 @@
 
 .card-body
   - if project.scmsync.present?
-    %p
-    = link_to project.scmsync do
-      This project is managed in SCM
+    - if Flipper.enabled?(:scmsync, User.session)
+      %table.table.table-sm.table-bordered.table-hover.w-100#packages-table-scm
+        %thead
+          %tr
+            %th Name
+            %th SCM
+        %tbody
+          - project.backend_only_packages.each do |package|
+            %tr
+              %td
+                = link_to(package.name, package_show_path(project, package.name))
+              %td
+                = link_to(package.scmsync) do
+                  %i.fas.fa-up-right-from-square
+                  = URI.parse(package.scmsync).path[1..-1]
+    - else
+      %p
+        = link_to project.scmsync do
+          This project is managed in SCM
   - elsif packages.present?
     .obs-dataTable
       %table.table.table-sm.table-bordered.table-hover.w-100#packages-table{ data: { source: package_index_path(project: project) } }
@@ -28,29 +44,35 @@
   - if User.possibly_nobody.can_modify?(project) && show_package_actions?
     .pt-4
       %ul.nav
-        %li.nav-item
-          = link_to(new_package_path(project), class: 'nav-link') do
-            %i.fas.fa-plus-circle.text-primary
-            Create Package
-        %li.nav-item
-          = link_to(project_new_packages_branch_path(project), class: 'nav-link') do
-            %i.fas.fa-code-branch.text-primary
-            Branch Package
+        - if policy(Package.new(project: project)).create?
+          %li.nav-item
+            = link_to(new_package_path(project), class: 'nav-link') do
+              %i.fas.fa-plus-circle.text-primary
+              Create Package
+        - if policy(Package.new(project: project)).create_branch?
+          %li.nav-item
+            = link_to(project_new_packages_branch_path(project), class: 'nav-link') do
+              %i.fas.fa-code-branch.text-primary
+              Branch Package
 
 - content_for :ready_function do
-  :plain
-    var package_datatable_columns = [{"data": "name"}]
-
-  - if Flipper.enabled?(:package_version_tracking, User.session)
+  - if project.scmsync.present? && Flipper.enabled?(:scmsync, User.session)
     :plain
-      package_datatable_columns.push({"data": "version", "orderable": false})
-
-  - if Flipper.enabled?(:labels, User.session)
+      initializeDataTable('#packages-table-scm');
+  - else
     :plain
-      package_datatable_columns.push({"data": "labels", "orderable": false})
+      var package_datatable_columns = [{"data": "name"}]
+
+    - if Flipper.enabled?(:package_version_tracking, User.session)
+      :plain
+        package_datatable_columns.push({"data": "version", "orderable": false})
 
-  :plain
-    package_datatable_columns.push({"data": "changed"})
-    initializeRemoteDatatable('#packages-table', {
-        "columns": package_datatable_columns
-      });
+    - if Flipper.enabled?(:labels, User.session)
+      :plain
+        package_datatable_columns.push({"data": "labels", "orderable": false})
+
+    :plain
+      package_datatable_columns.push({"data": "changed"})
+      initializeRemoteDatatable('#packages-table', {
+          "columns": package_datatable_columns
+        });
diff --git a/src/api/app/views/webui/project/show.html.haml b/src/api/app/views/webui/project/show.html.haml
index 232f99a8516..5f1db2dd27b 100644
--- a/src/api/app/views/webui/project/show.html.haml
+++ b/src/api/app/views/webui/project/show.html.haml
@@ -45,7 +45,10 @@
           aria: { controls: 'packages', selected: 'false' } }
             Packages
             %span.badge.text-bg-primary
-              = @packages.length
+              - if @project.scmsync.present? && Flipper.enabled?(:scmsync, User.session)
+                = @project.backend_only_packages.count
+              - else
+                = @packages.length
         - if @inherited_packages.present?
           %li.nav-item
             %a.nav-link#inherited-packages-tab{ href: '#inherited-packages', role: 'tab', data: { 'bs-toggle': 'tab' },
diff --git a/src/api/config/initializers/flipper.rb b/src/api/config/initializers/flipper.rb
index 8ce5f8a7bb2..9573afd5800 100644
--- a/src/api/config/initializers/flipper.rb
+++ b/src/api/config/initializers/flipper.rb
@@ -8,7 +8,8 @@
   { name: :labels, description: 'Allow to apply labels to packages, submit requests and projects to improve collaboration between build service users.' },
   { name: :request_index, description: 'Redesign of listing requests' },
   { name: :canned_responses, description: 'Create messages using templates' },
-  { name: :package_version_tracking, description: 'Track the local and upstream versions of your packages' }
+  { name: :package_version_tracking, description: 'Track the local and upstream versions of your packages' },
+  { name: :scmsync, description: 'Display extended information about packages from external SCMs' }
 ].freeze
 
 Flipper.configure do
diff --git a/src/api/spec/cassettes/Assignments/creating_an_assignment_for_a_package/creates_an_assignment_for_the_package.yml b/src/api/spec/cassettes/Assignments/creating_an_assignment_for_a_package/creates_an_assignment_for_the_package.yml
index 393af84341a..0ecd3f7cd8c 100644
--- a/src/api/spec/cassettes/Assignments/creating_an_assignment_for_a_package/creates_an_assignment_for_the_package.yml
+++ b/src/api/spec/cassettes/Assignments/creating_an_assignment_for_a_package/creates_an_assignment_for_the_package.yml
@@ -1,84 +1,17 @@
 ---
 http_interactions:
 - request:
-    method: get
-    uri: http://backend:5352/source/home:tom/test_package
-    body:
-      encoding: US-ASCII
-      string: ''
-    headers:
-      X-Request-Id:
-      - da04052e-2705-451e-887e-4d3e304fdabe
-      Accept-Encoding:
-      - gzip;q=1.0,deflate;q=0.6,identity;q=0.3
-      Accept:
-      - "*/*"
-      User-Agent:
-      - Ruby
-  response:
-    status:
-      code: 404
-      message: project 'home tom' does not exist
-    headers:
-      Content-Type:
-      - text/xml
-      Cache-Control:
-      - no-cache
-      Connection:
-      - close
-      Content-Length:
-      - '144'
-    body:
-      encoding: UTF-8
-      string: |
-        <status code="404">
-          <summary>project 'home:tom' does not exist</summary>
-          <details>404 project 'home:tom' does not exist</details>
-        </status>
-  recorded_at: Thu, 08 May 2025 08:57:20 GMT
-- request:
-    method: get
-    uri: http://backend:5352/source/home:tom/test_package?expand=1
-    body:
-      encoding: US-ASCII
-      string: ''
-    headers:
-      Accept-Encoding:
-      - gzip;q=1.0,deflate;q=0.6,identity;q=0.3
-      Accept:
-      - "*/*"
-      User-Agent:
-      - Ruby
-  response:
-    status:
-      code: 404
-      message: project 'home tom' does not exist
-    headers:
-      Content-Type:
-      - text/xml
-      Cache-Control:
-      - no-cache
-      Connection:
-      - close
-      Content-Length:
-      - '144'
+    method: put
+    uri: http://backend:5352/source/home:tom/_meta?user=tom
     body:
       encoding: UTF-8
       string: |
-        <status code="404">
-          <summary>project 'home:tom' does not exist</summary>
-          <details>404 project 'home:tom' does not exist</details>
-        </status>
-  recorded_at: Thu, 08 May 2025 08:57:20 GMT
-- request:
-    method: get
-    uri: http://backend:5352/source/home:tom/test_package
-    body:
-      encoding: US-ASCII
-      string: ''
+        <project name="home:tom">
+          <title/>
+          <description/>
+          <person userid="tom" role="maintainer"/>
+        </project>
     headers:
-      X-Request-Id:
-      - da04052e-2705-451e-887e-4d3e304fdabe
       Accept-Encoding:
       - gzip;q=1.0,deflate;q=0.6,identity;q=0.3
       Accept:
@@ -87,8 +20,8 @@ http_interactions:
       - Ruby
   response:
     status:
-      code: 404
-      message: project 'home tom' does not exist
+      code: 200
+      message: OK
     headers:
       Content-Type:
       - text/xml
@@ -97,58 +30,28 @@ http_interactions:
       Connection:
       - close
       Content-Length:
-      - '144'
+      - '128'
     body:
       encoding: UTF-8
       string: |
-        <status code="404">
-          <summary>project 'home:tom' does not exist</summary>
-          <details>404 project 'home:tom' does not exist</details>
-        </status>
-  recorded_at: Thu, 08 May 2025 08:57:20 GMT
+        <project name="home:tom">
+          <title></title>
+          <description></description>
+          <person userid="tom" role="maintainer"/>
+        </project>
+  recorded_at: Thu, 21 Aug 2025 11:52:35 GMT
 - request:
-    method: get
-    uri: http://backend:5352/source/home:tom/test_package?expand=0
-    body:
-      encoding: US-ASCII
-      string: ''
-    headers:
-      Accept-Encoding:
-      - gzip;q=1.0,deflate;q=0.6,identity;q=0.3
-      Accept:
-      - "*/*"
-      User-Agent:
-      - Ruby
-  response:
-    status:
-      code: 404
-      message: project 'home tom' does not exist
-    headers:
-      Content-Type:
-      - text/xml
-      Cache-Control:
-      - no-cache
-      Connection:
-      - close
-      Content-Length:
-      - '144'
+    method: put
+    uri: http://backend:5352/source/home:tom/test_package/_meta?user=user_1
     body:
       encoding: UTF-8
       string: |
-        <status code="404">
-          <summary>project 'home:tom' does not exist</summary>
-          <details>404 project 'home:tom' does not exist</details>
-        </status>
-  recorded_at: Thu, 08 May 2025 08:57:20 GMT
-- request:
-    method: get
-    uri: http://backend:5352/source/home:tom/test_package
-    body:
-      encoding: US-ASCII
-      string: ''
+        <package name="test_package" project="home:tom">
+          <title>The Road Less Traveled</title>
+          <description>Quam blanditiis velit nihil.</description>
+          <person userid="mal" role="maintainer"/>
+        </package>
     headers:
-      X-Request-Id:
-      - da04052e-2705-451e-887e-4d3e304fdabe
       Accept-Encoding:
       - gzip;q=1.0,deflate;q=0.6,identity;q=0.3
       Accept:
@@ -157,8 +60,8 @@ http_interactions:
       - Ruby
   response:
     status:
-      code: 404
-      message: project 'home tom' does not exist
+      code: 200
+      message: OK
     headers:
       Content-Type:
       - text/xml
@@ -167,15 +70,16 @@ http_interactions:
       Connection:
       - close
       Content-Length:
-      - '144'
+      - '201'
     body:
       encoding: UTF-8
       string: |
-        <status code="404">
-          <summary>project 'home:tom' does not exist</summary>
-          <details>404 project 'home:tom' does not exist</details>
-        </status>
-  recorded_at: Thu, 08 May 2025 08:57:20 GMT
+        <package name="test_package" project="home:tom">
+          <title>The Road Less Traveled</title>
+          <description>Quam blanditiis velit nihil.</description>
+          <person userid="mal" role="maintainer"/>
+        </package>
+  recorded_at: Thu, 21 Aug 2025 11:52:35 GMT
 - request:
     method: get
     uri: http://backend:5352/source/home:tom/test_package
@@ -184,7 +88,7 @@ http_interactions:
       string: ''
     headers:
       X-Request-Id:
-      - da04052e-2705-451e-887e-4d3e304fdabe
+      - f7a0f71f-217c-4577-b2d4-b1d439904806
       Accept-Encoding:
       - gzip;q=1.0,deflate;q=0.6,identity;q=0.3
       Accept:
@@ -193,8 +97,8 @@ http_interactions:
       - Ruby
   response:
     status:
-      code: 404
-      message: project 'home tom' does not exist
+      code: 200
+      message: OK
     headers:
       Content-Type:
       - text/xml
@@ -203,24 +107,20 @@ http_interactions:
       Connection:
       - close
       Content-Length:
-      - '144'
+      - '87'
     body:
       encoding: UTF-8
       string: |
-        <status code="404">
-          <summary>project 'home:tom' does not exist</summary>
-          <details>404 project 'home:tom' does not exist</details>
-        </status>
-  recorded_at: Thu, 08 May 2025 08:57:20 GMT
+        <directory name="test_package" srcmd5="d41d8cd98f00b204e9800998ecf8427e">
+        </directory>
+  recorded_at: Thu, 21 Aug 2025 11:52:42 GMT
 - request:
     method: get
-    uri: http://backend:5352/build/home:tom/_result?lastbuild=1&locallink=1&multibuild=1&package=test_package&view=status
+    uri: http://backend:5352/source/home:tom/test_package?expand=1
     body:
       encoding: US-ASCII
       string: ''
     headers:
-      X-Request-Id:
-      - 4c670889-ef92-453a-a48f-050cfa858c2a
       Accept-Encoding:
       - gzip;q=1.0,deflate;q=0.6,identity;q=0.3
       Accept:
@@ -229,8 +129,8 @@ http_interactions:
       - Ruby
   response:
     status:
-      code: 404
-      message: project 'home tom' does not exist
+      code: 200
+      message: OK
     headers:
       Content-Type:
       - text/xml
@@ -239,24 +139,22 @@ http_interactions:
       Connection:
       - close
       Content-Length:
-      - '144'
+      - '87'
     body:
       encoding: UTF-8
       string: |
-        <status code="404">
-          <summary>project 'home:tom' does not exist</summary>
-          <details>404 project 'home:tom' does not exist</details>
-        </status>
-  recorded_at: Thu, 08 May 2025 08:57:21 GMT
+        <directory name="test_package" srcmd5="d41d8cd98f00b204e9800998ecf8427e">
+        </directory>
+  recorded_at: Thu, 21 Aug 2025 11:52:42 GMT
 - request:
     method: get
-    uri: http://backend:5352/build/home:tom/_result?package=test_package&view=status
+    uri: http://backend:5352/source/home:tom/test_package
     body:
       encoding: US-ASCII
       string: ''
     headers:
       X-Request-Id:
-      - 04e5ca17-9a20-48c0-bd32-1cb4be86419c
+      - f7a0f71f-217c-4577-b2d4-b1d439904806
       Accept-Encoding:
       - gzip;q=1.0,deflate;q=0.6,identity;q=0.3
       Accept:
@@ -265,8 +163,8 @@ http_interactions:
       - Ruby
   response:
     status:
-      code: 404
-      message: project 'home tom' does not exist
+      code: 200
+      message: OK
     headers:
       Content-Type:
       - text/xml
@@ -275,15 +173,13 @@ http_interactions:
       Connection:
       - close
       Content-Length:
-      - '144'
+      - '87'
     body:
       encoding: UTF-8
       string: |
-        <status code="404">
-          <summary>project 'home:tom' does not exist</summary>
-          <details>404 project 'home:tom' does not exist</details>
-        </status>
-  recorded_at: Thu, 08 May 2025 08:57:21 GMT
+        <directory name="test_package" srcmd5="d41d8cd98f00b204e9800998ecf8427e">
+        </directory>
+  recorded_at: Thu, 21 Aug 2025 11:52:42 GMT
 - request:
     method: get
     uri: http://backend:5352/source/home:tom/test_package
@@ -292,7 +188,7 @@ http_interactions:
       string: ''
     headers:
       X-Request-Id:
-      - b551b553-624c-4c47-9525-d9dd98d36b0c
+      - f7a0f71f-217c-4577-b2d4-b1d439904806
       Accept-Encoding:
       - gzip;q=1.0,deflate;q=0.6,identity;q=0.3
       Accept:
@@ -301,8 +197,8 @@ http_interactions:
       - Ruby
   response:
     status:
-      code: 404
-      message: project 'home tom' does not exist
+      code: 200
+      message: OK
     headers:
       Content-Type:
       - text/xml
@@ -311,22 +207,22 @@ http_interactions:
       Connection:
       - close
       Content-Length:
-      - '144'
+      - '87'
     body:
       encoding: UTF-8
       string: |
-        <status code="404">
-          <summary>project 'home:tom' does not exist</summary>
-          <details>404 project 'home:tom' does not exist</details>
-        </status>
-  recorded_at: Thu, 08 May 2025 08:57:21 GMT
+        <directory name="test_package" srcmd5="d41d8cd98f00b204e9800998ecf8427e">
+        </directory>
+  recorded_at: Thu, 21 Aug 2025 11:52:42 GMT
 - request:
     method: get
-    uri: http://backend:5352/source/home:tom/test_package?expand=1
+    uri: http://backend:5352/build/home:tom/_result?lastbuild=1&locallink=1&multibuild=1&package=test_package&view=status
     body:
       encoding: US-ASCII
       string: ''
     headers:
+      X-Request-Id:
+      - bfcd637d-ab3b-40a7-96e1-29ab44b07e34
       Accept-Encoding:
       - gzip;q=1.0,deflate;q=0.6,identity;q=0.3
       Accept:
@@ -335,8 +231,8 @@ http_interactions:
       - Ruby
   response:
     status:
-      code: 404
-      message: project 'home tom' does not exist
+      code: 200
+      message: OK
     headers:
       Content-Type:
       - text/xml
@@ -345,15 +241,13 @@ http_interactions:
       Connection:
       - close
       Content-Length:
-      - '144'
+      - '55'
     body:
       encoding: UTF-8
-      string: |
-        <status code="404">
-          <summary>project 'home:tom' does not exist</summary>
-          <details>404 project 'home:tom' does not exist</details>
-        </status>
-  recorded_at: Thu, 08 May 2025 08:57:21 GMT
+      string: '<resultlist state="00000000000000000000000000000000"/>
+
+'
+  recorded_at: Thu, 21 Aug 2025 11:52:42 GMT
 - request:
     method: get
     uri: http://backend:5352/source/home:tom/test_package
@@ -362,7 +256,7 @@ http_interactions:
       string: ''
     headers:
       X-Request-Id:
-      - b551b553-624c-4c47-9525-d9dd98d36b0c
+      - a7567488-6d8a-4721-98d0-848a49f57586
       Accept-Encoding:
       - gzip;q=1.0,deflate;q=0.6,identity;q=0.3
       Accept:
@@ -371,8 +265,8 @@ http_interactions:
       - Ruby
   response:
     status:
-      code: 404
-      message: project 'home tom' does not exist
+      code: 200
+      message: OK
     headers:
       Content-Type:
       - text/xml
@@ -381,18 +275,16 @@ http_interactions:
       Connection:
       - close
       Content-Length:
-      - '144'
+      - '87'
     body:
       encoding: UTF-8
       string: |
-        <status code="404">
-          <summary>project 'home:tom' does not exist</summary>
-          <details>404 project 'home:tom' does not exist</details>
-        </status>
-  recorded_at: Thu, 08 May 2025 08:57:21 GMT
+        <directory name="test_package" srcmd5="d41d8cd98f00b204e9800998ecf8427e">
+        </directory>
+  recorded_at: Thu, 21 Aug 2025 11:52:43 GMT
 - request:
     method: get
-    uri: http://backend:5352/source/home:tom/test_package?expand=0
+    uri: http://backend:5352/source/home:tom/test_package?expand=1
     body:
       encoding: US-ASCII
       string: ''
@@ -405,8 +297,8 @@ http_interactions:
       - Ruby
   response:
     status:
-      code: 404
-      message: project 'home tom' does not exist
+      code: 200
+      message: OK
     headers:
       Content-Type:
       - text/xml
@@ -415,15 +307,13 @@ http_interactions:
       Connection:
       - close
       Content-Length:
-      - '144'
+      - '87'
     body:
       encoding: UTF-8
       string: |
-        <status code="404">
-          <summary>project 'home:tom' does not exist</summary>
-          <details>404 project 'home:tom' does not exist</details>
-        </status>
-  recorded_at: Thu, 08 May 2025 08:57:21 GMT
+        <directory name="test_package" srcmd5="d41d8cd98f00b204e9800998ecf8427e">
+        </directory>
+  recorded_at: Thu, 21 Aug 2025 11:52:43 GMT
 - request:
     method: get
     uri: http://backend:5352/source/home:tom/test_package
@@ -432,7 +322,7 @@ http_interactions:
       string: ''
     headers:
       X-Request-Id:
-      - b551b553-624c-4c47-9525-d9dd98d36b0c
+      - a7567488-6d8a-4721-98d0-848a49f57586
       Accept-Encoding:
       - gzip;q=1.0,deflate;q=0.6,identity;q=0.3
       Accept:
@@ -441,8 +331,8 @@ http_interactions:
       - Ruby
   response:
     status:
-      code: 404
-      message: project 'home tom' does not exist
+      code: 200
+      message: OK
     headers:
       Content-Type:
       - text/xml
@@ -451,15 +341,13 @@ http_interactions:
       Connection:
       - close
       Content-Length:
-      - '144'
+      - '87'
     body:
       encoding: UTF-8
       string: |
-        <status code="404">
-          <summary>project 'home:tom' does not exist</summary>
-          <details>404 project 'home:tom' does not exist</details>
-        </status>
-  recorded_at: Thu, 08 May 2025 08:57:21 GMT
+        <directory name="test_package" srcmd5="d41d8cd98f00b204e9800998ecf8427e">
+        </directory>
+  recorded_at: Thu, 21 Aug 2025 11:52:43 GMT
 - request:
     method: get
     uri: http://backend:5352/source/home:tom/test_package
@@ -468,7 +356,7 @@ http_interactions:
       string: ''
     headers:
       X-Request-Id:
-      - b551b553-624c-4c47-9525-d9dd98d36b0c
+      - a7567488-6d8a-4721-98d0-848a49f57586
       Accept-Encoding:
       - gzip;q=1.0,deflate;q=0.6,identity;q=0.3
       Accept:
@@ -477,8 +365,8 @@ http_interactions:
       - Ruby
   response:
     status:
-      code: 404
-      message: project 'home tom' does not exist
+      code: 200
+      message: OK
     headers:
       Content-Type:
       - text/xml
@@ -487,15 +375,13 @@ http_interactions:
       Connection:
       - close
       Content-Length:
-      - '144'
+      - '87'
     body:
       encoding: UTF-8
       string: |
-        <status code="404">
-          <summary>project 'home:tom' does not exist</summary>
-          <details>404 project 'home:tom' does not exist</details>
-        </status>
-  recorded_at: Thu, 08 May 2025 08:57:21 GMT
+        <directory name="test_package" srcmd5="d41d8cd98f00b204e9800998ecf8427e">
+        </directory>
+  recorded_at: Thu, 21 Aug 2025 11:52:43 GMT
 - request:
     method: get
     uri: http://backend:5352/build/home:tom/_result?lastbuild=1&locallink=1&multibuild=1&package=test_package&view=status
@@ -504,43 +390,7 @@ http_interactions:
       string: ''
     headers:
       X-Request-Id:
-      - 2e3ccda0-353c-4260-a3cf-7ecbc8a6b54e
-      Accept-Encoding:
-      - gzip;q=1.0,deflate;q=0.6,identity;q=0.3
-      Accept:
-      - "*/*"
-      User-Agent:
-      - Ruby
-  response:
-    status:
-      code: 404
-      message: project 'home tom' does not exist
-    headers:
-      Content-Type:
-      - text/xml
-      Cache-Control:
-      - no-cache
-      Connection:
-      - close
-      Content-Length:
-      - '144'
-    body:
-      encoding: UTF-8
-      string: |
-        <status code="404">
-          <summary>project 'home:tom' does not exist</summary>
-          <details>404 project 'home:tom' does not exist</details>
-        </status>
-  recorded_at: Thu, 08 May 2025 08:57:21 GMT
-- request:
-    method: get
-    uri: http://backend:5352/build/home:tom/_result?package=test_package&view=status
-    body:
-      encoding: US-ASCII
-      string: ''
-    headers:
-      X-Request-Id:
-      - 75f5335e-39c1-4789-9779-5a6a23fbbaa7
+      - 2d495dca-f051-45c7-8db8-ed05ceb629ec
       Accept-Encoding:
       - gzip;q=1.0,deflate;q=0.6,identity;q=0.3
       Accept:
@@ -549,8 +399,8 @@ http_interactions:
       - Ruby
   response:
     status:
-      code: 404
-      message: project 'home tom' does not exist
+      code: 200
+      message: OK
     headers:
       Content-Type:
       - text/xml
@@ -559,13 +409,11 @@ http_interactions:
       Connection:
       - close
       Content-Length:
-      - '144'
+      - '55'
     body:
       encoding: UTF-8
-      string: |
-        <status code="404">
-          <summary>project 'home:tom' does not exist</summary>
-          <details>404 project 'home:tom' does not exist</details>
-        </status>
-  recorded_at: Thu, 08 May 2025 08:57:21 GMT
+      string: '<resultlist state="00000000000000000000000000000000"/>
+
+'
+  recorded_at: Thu, 21 Aug 2025 11:52:43 GMT
 recorded_with: VCR 6.3.1
diff --git a/src/api/spec/cassettes/Webui_Packages_MetaController/GET_show/when_its_a_project_managed_via_scmsync/1_1_2_1.yml b/src/api/spec/cassettes/Webui_Packages_MetaController/GET_show/when_its_a_project_managed_via_scmsync/1_1_2_1.yml
new file mode 100644
index 00000000000..1003d98fcbe
--- /dev/null
+++ b/src/api/spec/cassettes/Webui_Packages_MetaController/GET_show/when_its_a_project_managed_via_scmsync/1_1_2_1.yml
@@ -0,0 +1,77 @@
+---
+http_interactions:
+- request:
+    method: put
+    uri: http://backend:5352/source/home:tom/_meta?user=tom
+    body:
+      encoding: UTF-8
+      string: |
+        <project name="home:tom">
+          <title/>
+          <description/>
+          <person userid="tom" role="maintainer"/>
+        </project>
+    headers:
+      Accept-Encoding:
+      - gzip;q=1.0,deflate;q=0.6,identity;q=0.3
+      Accept:
+      - "*/*"
+      User-Agent:
+      - Ruby
+  response:
+    status:
+      code: 200
+      message: OK
+    headers:
+      Content-Type:
+      - text/xml
+      Cache-Control:
+      - no-cache
+      Connection:
+      - close
+      Content-Length:
+      - '128'
+    body:
+      encoding: UTF-8
+      string: |
+        <project name="home:tom">
+          <title></title>
+          <description></description>
+          <person userid="tom" role="maintainer"/>
+        </project>
+  recorded_at: Mon, 18 Aug 2025 12:29:47 GMT
+- request:
+    method: get
+    uri: http://backend:5352/source/home:tom/some_package/_meta
+    body:
+      encoding: US-ASCII
+      string: ''
+    headers:
+      Accept-Encoding:
+      - gzip;q=1.0,deflate;q=0.6,identity;q=0.3
+      Accept:
+      - "*/*"
+      User-Agent:
+      - Ruby
+  response:
+    status:
+      code: 404
+      message: package 'some_package' does not exist in project 'home tom'
+    headers:
+      Content-Type:
+      - text/xml
+      Cache-Control:
+      - no-cache
+      Connection:
+      - close
+      Content-Length:
+      - '196'
+    body:
+      encoding: UTF-8
+      string: |
+        <status code="404">
+          <summary>package 'some_package' does not exist in project 'home:tom'</summary>
+          <details>404 package 'some_package' does not exist in project 'home:tom'</details>
+        </status>
+  recorded_at: Mon, 18 Aug 2025 12:29:47 GMT
+recorded_with: VCR 6.3.1
diff --git a/src/api/spec/cassettes/Webui_Packages_MetaController/GET_show/when_its_a_project_managed_via_scmsync/does_not_set_the_xml_representation_of_a_package.yml b/src/api/spec/cassettes/Webui_Packages_MetaController/GET_show/when_its_a_project_managed_via_scmsync/does_not_set_the_xml_representation_of_a_package.yml
new file mode 100644
index 00000000000..c19e33a1237
--- /dev/null
+++ b/src/api/spec/cassettes/Webui_Packages_MetaController/GET_show/when_its_a_project_managed_via_scmsync/does_not_set_the_xml_representation_of_a_package.yml
@@ -0,0 +1,77 @@
+---
+http_interactions:
+- request:
+    method: put
+    uri: http://backend:5352/source/home:tom/_meta?user=tom
+    body:
+      encoding: UTF-8
+      string: |
+        <project name="home:tom">
+          <title/>
+          <description/>
+          <person userid="tom" role="maintainer"/>
+        </project>
+    headers:
+      Accept-Encoding:
+      - gzip;q=1.0,deflate;q=0.6,identity;q=0.3
+      Accept:
+      - "*/*"
+      User-Agent:
+      - Ruby
+  response:
+    status:
+      code: 200
+      message: OK
+    headers:
+      Content-Type:
+      - text/xml
+      Cache-Control:
+      - no-cache
+      Connection:
+      - close
+      Content-Length:
+      - '128'
+    body:
+      encoding: UTF-8
+      string: |
+        <project name="home:tom">
+          <title></title>
+          <description></description>
+          <person userid="tom" role="maintainer"/>
+        </project>
+  recorded_at: Mon, 18 Aug 2025 12:29:46 GMT
+- request:
+    method: get
+    uri: http://backend:5352/source/home:tom/some_package/_meta
+    body:
+      encoding: US-ASCII
+      string: ''
+    headers:
+      Accept-Encoding:
+      - gzip;q=1.0,deflate;q=0.6,identity;q=0.3
+      Accept:
+      - "*/*"
+      User-Agent:
+      - Ruby
+  response:
+    status:
+      code: 404
+      message: package 'some_package' does not exist in project 'home tom'
+    headers:
+      Content-Type:
+      - text/xml
+      Cache-Control:
+      - no-cache
+      Connection:
+      - close
+      Content-Length:
+      - '196'
+    body:
+      encoding: UTF-8
+      string: |
+        <status code="404">
+          <summary>package 'some_package' does not exist in project 'home:tom'</summary>
+          <details>404 package 'some_package' does not exist in project 'home:tom'</details>
+        </status>
+  recorded_at: Mon, 18 Aug 2025 12:29:46 GMT
+recorded_with: VCR 6.3.1