diff --git a/django/thunderstore/repository/admin/__init__.py b/django/thunderstore/repository/admin/__init__.py
index 2428632fb..17773c1fd 100644
--- a/django/thunderstore/repository/admin/__init__.py
+++ b/django/thunderstore/repository/admin/__init__.py
@@ -3,4 +3,5 @@
 from .package import PackageAdmin
 from .package_rating import PackageRatingAdmin
 from .package_version import PackageVersionAdmin
+from .submission import AsyncPackageSubmissionAdmin
 from .team import TeamAdmin
diff --git a/django/thunderstore/repository/admin/submission.py b/django/thunderstore/repository/admin/submission.py
new file mode 100644
index 000000000..f076795fe
--- /dev/null
+++ b/django/thunderstore/repository/admin/submission.py
@@ -0,0 +1,35 @@
+from django.contrib import admin
+from django.http import HttpRequest
+
+from thunderstore.repository.models import AsyncPackageSubmission
+
+
+@admin.register(AsyncPackageSubmission)
+class AsyncPackageSubmissionAdmin(admin.ModelAdmin):
+    raw_id_fields = (
+        "owner",
+        "file",
+    )
+    list_select_related = (
+        "owner",
+        "file",
+    )
+    list_display = (
+        "owner",
+        "file",
+        "status",
+        "datetime_scheduled",
+        "datetime_polled",
+        "datetime_finished",
+    )
+    list_filter = ("status",)
+    search_fields = ("owner__username",)
+
+    def has_add_permission(self, request: HttpRequest, obj=None) -> bool:
+        return False
+
+    def has_change_permission(self, request: HttpRequest, obj=None) -> bool:
+        return False
+
+    def has_delete_permission(self, request: HttpRequest, obj=None) -> bool:
+        return False
diff --git a/django/thunderstore/repository/admin/tests/test_submission.py b/django/thunderstore/repository/admin/tests/test_submission.py
new file mode 100644
index 000000000..69714a548
--- /dev/null
+++ b/django/thunderstore/repository/admin/tests/test_submission.py
@@ -0,0 +1,36 @@
+import pytest
+from django.conf import settings
+from django.test import Client
+
+from thunderstore.repository.factories import AsyncPackageSubmissionFactory
+
+
+@pytest.mark.django_db
+def test_admin_asyncpackagesubmission_search(admin_client: Client) -> None:
+    username = AsyncPackageSubmissionFactory().owner.username
+    resp = admin_client.get(
+        path=f"/djangoadmin/repository/asyncpackagesubmission/?q={username}",
+        HTTP_HOST=settings.PRIMARY_HOST,
+    )
+    assert resp.status_code == 200
+
+
+@pytest.mark.django_db
+def test_admin_asyncpackagesubmission_list(admin_client: Client) -> None:
+    AsyncPackageSubmissionFactory()
+    resp = admin_client.get(
+        path="/djangoadmin/repository/asyncpackagesubmission/",
+        HTTP_HOST=settings.PRIMARY_HOST,
+    )
+    assert resp.status_code == 200
+
+
+@pytest.mark.django_db
+def test_admin_asyncpackagesubmission_detail(admin_client: Client) -> None:
+    pk = AsyncPackageSubmissionFactory().pk
+    path = f"/djangoadmin/repository/asyncpackagesubmission/{pk}/change/"
+    resp = admin_client.get(
+        path=path,
+        HTTP_HOST=settings.PRIMARY_HOST,
+    )
+    assert resp.status_code == 200
diff --git a/django/thunderstore/repository/api/experimental/views/submit_async.py b/django/thunderstore/repository/api/experimental/views/submit_async.py
index b65a29a63..dcc9e4245 100644
--- a/django/thunderstore/repository/api/experimental/views/submit_async.py
+++ b/django/thunderstore/repository/api/experimental/views/submit_async.py
@@ -9,7 +9,7 @@
     PackageSubmissionResult,
 )
 from thunderstore.repository.api.experimental.views.submit import get_usermedia_or_404
-from thunderstore.repository.models.async_submission import AsyncPackageSubmission
+from thunderstore.repository.models.submission import AsyncPackageSubmission
 
 
 class PackageSubmissionStatusSerializer(serializers.Serializer):
diff --git a/django/thunderstore/repository/models/__init__.py b/django/thunderstore/repository/models/__init__.py
index c93037d89..04ad1b97b 100644
--- a/django/thunderstore/repository/models/__init__.py
+++ b/django/thunderstore/repository/models/__init__.py
@@ -1,4 +1,3 @@
-from .async_submission import *
 from .cache import *
 from .discord_bot import *
 from .namespace import *
@@ -6,5 +5,6 @@
 from .package_download import *
 from .package_rating import *
 from .package_version import *
+from .submission import *
 from .team import *
 from .wiki import *
diff --git a/django/thunderstore/repository/models/async_submission.py b/django/thunderstore/repository/models/submission.py
similarity index 100%
rename from django/thunderstore/repository/models/async_submission.py
rename to django/thunderstore/repository/models/submission.py
diff --git a/django/thunderstore/usermedia/cleanup.py b/django/thunderstore/usermedia/cleanup.py
index f90df56c8..3c1d61ded 100644
--- a/django/thunderstore/usermedia/cleanup.py
+++ b/django/thunderstore/usermedia/cleanup.py
@@ -6,7 +6,7 @@
 
 def cleanup_expired_uploads():
     client = get_s3_client()
-    for entry in UserMedia.objects.expired():
+    for entry in UserMedia.objects.expired().filter(async_package_submissions=None):
         try:
             cleanup_expired_upload(entry, client)
         except Exception as e:
diff --git a/django/thunderstore/usermedia/migrations/0003_usermedia_owner_set_null.py b/django/thunderstore/usermedia/migrations/0003_usermedia_owner_set_null.py
new file mode 100644
index 000000000..633369bfb
--- /dev/null
+++ b/django/thunderstore/usermedia/migrations/0003_usermedia_owner_set_null.py
@@ -0,0 +1,27 @@
+# Generated by Django 3.1.7 on 2024-01-04 15:48
+
+import django.db.models.deletion
+from django.conf import settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+        ("usermedia", "0002_add_cleanup_schedule"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="usermedia",
+            name="owner",
+            field=models.ForeignKey(
+                blank=True,
+                null=True,
+                on_delete=django.db.models.deletion.SET_NULL,
+                related_name="usermedia",
+                to=settings.AUTH_USER_MODEL,
+            ),
+        ),
+    ]
diff --git a/django/thunderstore/usermedia/migrations/0004_usermedia_size_bigint.py b/django/thunderstore/usermedia/migrations/0004_usermedia_size_bigint.py
new file mode 100644
index 000000000..cdcc52b00
--- /dev/null
+++ b/django/thunderstore/usermedia/migrations/0004_usermedia_size_bigint.py
@@ -0,0 +1,18 @@
+# Generated by Django 3.1.7 on 2024-01-04 15:59
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("usermedia", "0003_usermedia_owner_set_null"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="usermedia",
+            name="size",
+            field=models.PositiveBigIntegerField(),
+        ),
+    ]
diff --git a/django/thunderstore/usermedia/models/usermedia.py b/django/thunderstore/usermedia/models/usermedia.py
index a33974799..0229b2444 100644
--- a/django/thunderstore/usermedia/models/usermedia.py
+++ b/django/thunderstore/usermedia/models/usermedia.py
@@ -41,13 +41,13 @@ class UserMedia(TimestampMixin, models.Model):
     owner = models.ForeignKey(
         settings.AUTH_USER_MODEL,
         related_name="usermedia",
-        on_delete=models.PROTECT,
+        on_delete=models.SET_NULL,
         blank=True,
         null=True,
     )
     filename = models.CharField(max_length=1024)
     key = models.CharField(max_length=2048)
-    size = models.PositiveIntegerField()
+    size = models.PositiveBigIntegerField()
     uuid = models.UUIDField(default=ulid2.generate_ulid_as_uuid, primary_key=True)
 
     # Prefix is the S3 storage bucket location prefix, only ever used for
@@ -127,6 +127,9 @@ def has_expired(self) -> bool:
     def can_user_write(self, user: Optional[UserType]):
         return user == self.owner
 
+    def __str__(self):
+        return self.filename
+
     class Meta:
         verbose_name = "user media"
         verbose_name_plural = "user media"
diff --git a/python-packages b/python-packages
index f31e692c4..5de258e6a 160000
--- a/python-packages
+++ b/python-packages
@@ -1 +1 @@
-Subproject commit f31e692c4d2a62f07256a24d740723043776751a
+Subproject commit 5de258e6ad9978cfac09e3c1ceb4b3f2fc7b7d1d