diff --git a/greenmine/base/api.py b/greenmine/base/api.py
index 3f710506..4d890388 100644
--- a/greenmine/base/api.py
+++ b/greenmine/base/api.py
@@ -65,11 +65,9 @@ class RoleList(generics.ListCreateAPIView):
 
 
 class UserFilter(django_filters.FilterSet):
-    is_active = django_filters.BooleanFilter(name="is_active")
-
     class Meta:
         model = User
-        fields = ['is_active',]
+        fields = ['is_active']
 
 
 class UserList(generics.ListCreateAPIView):
diff --git a/greenmine/base/serializers.py b/greenmine/base/serializers.py
index fa071063..92de8a2c 100644
--- a/greenmine/base/serializers.py
+++ b/greenmine/base/serializers.py
@@ -54,11 +54,16 @@ class LoginSerializer(serializers.Serializer):
 
 
 class UserSerializer(serializers.ModelSerializer):
+    projects = serializers.SerializerMethodField('get_projects')
+
     class Meta:
         model = User
-        fields = ('id', 'username', 'first_name', 'last_name', 'color', 'is_active',)
+        fields = ('id', 'username', 'first_name', 'last_name', 'color', 'is_active', 'projects')
 
 
+    def get_projects(self, obj):
+        return [x.id for x in obj.projects.all()]
+
 class RoleSerializer(serializers.ModelSerializer):
     class Meta:
         model = Role
diff --git a/greenmine/scrum/api.py b/greenmine/scrum/api.py
index 6251f68c..c5e2b219 100644
--- a/greenmine/scrum/api.py
+++ b/greenmine/scrum/api.py
@@ -140,6 +140,7 @@ class TaskList(generics.ListCreateAPIView):
 
     def pre_save(self, obj):
         obj.owner = self.request.user
+        obj.milestone = obj.user_story.milestone
 
 
 class TaskDetail(generics.RetrieveUpdateDestroyAPIView):
diff --git a/greenmine/scrum/management/commands/sample_data.py b/greenmine/scrum/management/commands/sample_data.py
index 3c84087c..3e82877b 100644
--- a/greenmine/scrum/management/commands/sample_data.py
+++ b/greenmine/scrum/management/commands/sample_data.py
@@ -107,9 +107,7 @@ class Command(BaseCommand):
                             owner=random.choice(users),
                             milestone=milestone,
                             user_story=us,
-                            severity=Severity.objects.get(project=project, order=2),
                             status=TaskStatus.objects.get(project=project, order=4),
-                            priority=Priority.objects.get(project=project, order=3),
                         )
 
             # created unassociated uss.
diff --git a/greenmine/scrum/models.py b/greenmine/scrum/models.py
index 142f9301..a41b9e4e 100644
--- a/greenmine/scrum/models.py
+++ b/greenmine/scrum/models.py
@@ -224,18 +224,28 @@ class Project(models.Model):
 
 
 class Milestone(models.Model):
-    uuid = models.CharField(max_length=40, unique=True, null=False, blank=True,
+    uuid = models.CharField(
+                max_length=40, unique=True, null=False, blank=True,
                 verbose_name=_('uuid'))
-    name = models.CharField(max_length=200, db_index=True, null=False, blank=False,
+
+    name = models.CharField(
+                max_length=200, db_index=True, null=False, blank=False,
                 verbose_name=_('name'))
+
     slug = models.SlugField(max_length=250, unique=True, null=False, blank=True,
                 verbose_name=_('slug'))
-    owner = models.ForeignKey('base.User', null=True, blank=False,
-                related_name='owned_milestones',
-                verbose_name=_('owner'))
-    project = models.ForeignKey('Project', null=False, blank=False,
+
+    owner = models.ForeignKey(
+                'base.User',
+                null=True, blank=True,
+                related_name='owned_milestones', verbose_name=_('owner'))
+
+    project = models.ForeignKey(
+                'Project',
+                null=False, blank=False,
                 related_name='milestones',
                 verbose_name=_('project'))
+
     estimated_start = models.DateField(null=True, blank=True, default=None,
                 verbose_name=_('estimated start'))
     estimated_finish = models.DateField(null=True, blank=True, default=None,
diff --git a/greenmine/scrum/serializers.py b/greenmine/scrum/serializers.py
index ed497aae..964b1a15 100644
--- a/greenmine/scrum/serializers.py
+++ b/greenmine/scrum/serializers.py
@@ -63,7 +63,7 @@ class AttachmentSerializer(serializers.ModelSerializer):
 
 
 class TaskSerializer(serializers.ModelSerializer):
-    tags = PickleField()
+    tags = PickleField(blank=True, default=[])
 
     class Meta:
         model = Task