--- a/buildfarm/release/release-runner.py
+++ b/buildfarm/release/release-runner.py
@@ -322,19 +322,21 @@ def main(options):
         postrelease_bouncer_aliases_enabled = False
         final_verify_channels = [
             c for c in release_channels if c not in branchConfig.get('mirror_requiring_channels', [])
         ]
         publish_to_balrog_channels = [
             c for c in release_channels if c not in branchConfig.get('mirror_requiring_channels', [])
         ]
         push_to_releases_enabled = False
+        postrelease_mark_as_shipped_enabled = False
     else:
         postrelease_enabled = branchConfig['postrelease_version_bump_enabled']
         postrelease_bouncer_aliases_enabled = branchConfig['postrelease_bouncer_aliases_enabled']
+        postrelease_mark_as_shipped_enabled = branchConfig['postrelease_mark_as_shipped_enabled']
         final_verify_channels = release_channels
         publish_to_balrog_channels = release_channels
         push_to_releases_enabled = True
 
     rc = 0
     for release in rr.new_releases:
         graph_id = slugId()
         try:
@@ -388,16 +390,17 @@ def main(options):
                 "uptake_monitoring_platforms": branchConfig['release_platforms'],
                 "signing_pvt_key": signing_pvt_key,
                 "build_tools_repo_path": branchConfig['build_tools_repo_path'],
                 "push_to_candidates_enabled": branchConfig['push_to_candidates_enabled'],
                 "postrelease_bouncer_aliases_enabled": postrelease_bouncer_aliases_enabled,
                 "uptake_monitoring_enabled": branchConfig['uptake_monitoring_enabled'],
                 "tuxedo_server_url": branchConfig['tuxedoServerUrl'],
                 "postrelease_version_bump_enabled": postrelease_enabled,
+                "postrelease_mark_as_shipped_enabled": postrelease_mark_as_shipped_enabled,
                 "push_to_releases_enabled": push_to_releases_enabled,
                 "push_to_releases_automatic": branchConfig['push_to_releases_automatic'],
                 "beetmover_candidates_bucket": branchConfig["beetmover_buckets"][release["product"]],
                 "partner_repacks_platforms": branchConfig.get("partner_repacks_platforms", []),
                 "l10n_changesets": l10n_changesets,
                 "extra_balrog_submitter_params": extra_balrog_submitter_params,
                 "publish_to_balrog_channels": publish_to_balrog_channels,
             }

--- a/lib/python/kickoff/__init__.py
+++ b/lib/python/kickoff/__init__.py
@@ -236,16 +236,17 @@ def make_task_graph_strict_kwargs(appVer
                                   build_tools_repo_path, checksums_enabled, en_US_config,
                                   extra_balrog_submitter_params, final_verify_channels,
                                   final_verify_platforms, uptake_monitoring_platforms,
                                   funsize_balrog_api_root, l10n_config,
                                   l10n_changesets, mozharness_changeset, next_version,
                                   partial_updates, partner_repacks_platforms,
                                   postrelease_bouncer_aliases_enabled, uptake_monitoring_enabled,
                                   postrelease_version_bump_enabled,
+                                  postrelease_mark_as_shipped_enabled,
                                   product, public_key, push_to_candidates_enabled,
                                   push_to_releases_automatic, push_to_releases_enabled, release_channels,
                                   repo_path, revision, signing_class, signing_pvt_key, source_enabled,
                                   tuxedo_server_url, update_verify_enabled, updates_builder_enabled,
                                   updates_enabled, verifyConfigs, version, publish_to_balrog_channels):
     """simple wrapper that sanitizes whatever calls make_task_graph uses universally known kwargs"""
 
     kwargs = dict(
@@ -270,16 +271,17 @@ def make_task_graph_strict_kwargs(appVer
         l10n_config=l10n_config,
         mozharness_changeset=mozharness_changeset,
         next_version=next_version,
         partial_updates=partial_updates,
         partner_repacks_platforms=partner_repacks_platforms,
         postrelease_bouncer_aliases_enabled=postrelease_bouncer_aliases_enabled,
         uptake_monitoring_enabled=uptake_monitoring_enabled,
         postrelease_version_bump_enabled=postrelease_version_bump_enabled,
+        postrelease_mark_as_shipped_enabled=postrelease_mark_as_shipped_enabled,
         product=product,
         public_key=public_key,
         push_to_candidates_enabled=push_to_candidates_enabled,
         push_to_releases_automatic=push_to_releases_automatic,
         push_to_releases_enabled=push_to_releases_enabled,
         release_channels=release_channels,
         repo_path=repo_path,
         revision=revision,