diff --git a/src/registrar/models/utility/orm_helper.py b/src/registrar/models/utility/orm_helper.py
index 4f4665216..63ff41d28 100644
--- a/src/registrar/models/utility/orm_helper.py
+++ b/src/registrar/models/utility/orm_helper.py
@@ -1,7 +1,7 @@
 from django.db.models.expressions import Func
 
 
-class ArrayRemove(Func):
+class ArrayRemoveNull(Func):
     """Custom Func to use array_remove to remove null values"""
 
     function = "array_remove"
diff --git a/src/registrar/templates/includes/members_table.html b/src/registrar/templates/includes/members_table.html
index 09cebda2e..c0c6d803c 100644
--- a/src/registrar/templates/includes/members_table.html
+++ b/src/registrar/templates/includes/members_table.html
@@ -8,7 +8,7 @@
 <section class="section-outlined members margin-top-0 section-outlined--border-base-light" id="members">
   <div class="section-outlined__header margin-bottom-3 grid-row">
       <!-- ---------- SEARCH ---------- -->
-      <div class="section-outlined__search mobile:grid-col-12 desktop:grid-col-6">
+      <div class="section-outlined__search mobile:grid-col-12 desktop:grid-col-6 {% if is_widescreen_mode %} section-outlined__search--widescreen {% endif %}">
         <section aria-label="Members search component" class="margin-top-2">
           <form class="usa-search usa-search--small" method="POST" role="search">
             {% csrf_token %}
diff --git a/src/registrar/utility/csv_export.py b/src/registrar/utility/csv_export.py
index 76a84094c..2798e8df3 100644
--- a/src/registrar/utility/csv_export.py
+++ b/src/registrar/utility/csv_export.py
@@ -1,4 +1,4 @@
-from abc import ABC, abstractmethod
+from abc import abstractmethod
 from collections import defaultdict
 import csv
 import logging
@@ -17,27 +17,19 @@ from django.db.models import (
     Count,
     DateField,
     F,
-    ManyToManyField,
     Q,
-    QuerySet,
     Value,
     When,
-    TextField,
-    OuterRef,
-    Subquery,
 )
-from django.db.models.functions import Cast
 from django.utils import timezone
 from django.db.models.functions import Concat, Coalesce
 from django.contrib.postgres.aggregates import StringAgg
 from registrar.models.user_portfolio_permission import UserPortfolioPermission
 from registrar.models.utility.generic_helper import convert_queryset_to_dict
-from registrar.models.utility.orm_helper import ArrayRemove
-from registrar.models.utility.portfolio_helper import UserPortfolioRoleChoices, UserPortfolioPermissionChoices
+from registrar.models.utility.portfolio_helper import UserPortfolioRoleChoices
 from registrar.templatetags.custom_filters import get_region
 from registrar.utility.constants import BranchChoices
 from registrar.utility.enums import DefaultEmail
-from django.contrib.postgres.aggregates import ArrayAgg
 
 from registrar.utility.model_annotations import (
     BaseModelAnnotation,
diff --git a/src/registrar/utility/model_annotations.py b/src/registrar/utility/model_annotations.py
index bd1ad2be0..5ef393589 100644
--- a/src/registrar/utility/model_annotations.py
+++ b/src/registrar/utility/model_annotations.py
@@ -45,7 +45,7 @@ from django.db.models.functions import Concat, Coalesce, Cast
 from registrar.models.user_group import UserGroup
 from registrar.models.user_portfolio_permission import UserPortfolioPermission
 from registrar.models.utility.generic_helper import convert_queryset_to_dict
-from registrar.models.utility.orm_helper import ArrayRemove
+from registrar.models.utility.orm_helper import ArrayRemoveNull
 from django.contrib.postgres.aggregates import ArrayAgg
 from django.contrib.admin.models import LogEntry, ADDITION
 from django.contrib.contenttypes.models import ContentType
@@ -252,11 +252,13 @@ class UserPortfolioPermissionModelAnnotation(BaseModelAnnotation):
             Subquery(
                 PortfolioInvitation.objects.filter(
                     status=PortfolioInvitation.PortfolioInvitationStatus.RETRIEVED,
+                    # Double outer ref because we first go into the LogEntry query,
+                    # then into the
                     email=OuterRef(OuterRef("user__email")),
-                    portfolio=OuterRef(OuterRef("portfolio"))
+                    portfolio=OuterRef(OuterRef("portfolio")),
                 ).values("id")[:1]
             ),
-            output_field=TextField()
+            output_field=TextField(),
         )
 
     @classmethod
@@ -376,22 +378,20 @@ class PortfolioInvitationModelAnnotation(BaseModelAnnotation):
                     action_flag=ADDITION,
                 )
                 .annotate(
-                    # Action time will always be equivalent to created_at in this context
+                    # Action time will always be equivalent to created_at in this context.
+                    # Using this instead of created_at is a lot simpler and more performant,
+                    # as otherwise a Case and Subquery need to be used.
                     display_date=Func(
-                        F("action_time"),
-                        Value("YYYY-MM-DD"),
-                        function="to_char",
-                        output_field=TextField()
+                        F("action_time"), Value("YYYY-MM-DD"), function="to_char", output_field=TextField()
                     )
                 )
                 .order_by("action_time")
                 .values("display_date")[:1]
             ),
             Value("Invalid date"),
-            output_field=TextField()
+            output_field=TextField(),
         )
 
-
     @classmethod
     def get_invited_by_query(cls, object_id_query):
         """Returns the user that created the given portfolio invitation.
@@ -413,10 +413,10 @@ class PortfolioInvitationModelAnnotation(BaseModelAnnotation):
                                     user=OuterRef("user"),
                                 )
                             ),
-                            then=Value("help@get.gov")
+                            then=Value("help@get.gov"),
                         ),
                         default=F("user__email"),
-                        output_field=CharField()
+                        output_field=CharField(),
                     )
                 )
                 .order_by("action_time")
@@ -454,7 +454,7 @@ class PortfolioInvitationModelAnnotation(BaseModelAnnotation):
             "last_active": Value("Invited", output_field=TextField()),
             "additional_permissions_display": F("additional_permissions"),
             "member_display": F("email"),
-            "domain_info": ArrayRemove(
+            "domain_info": ArrayRemoveNull(
                 ArrayAgg(
                     Subquery(domain_invitations.values("domain_info")),
                     distinct=True,
@@ -467,9 +467,7 @@ class PortfolioInvitationModelAnnotation(BaseModelAnnotation):
             # TODO - replace this with a "creator" field on portfolio invitation. This should be another ticket.
             # Grab the invitation creator from the audit log. This will need to be replaced with a creator field.
             # When that happens, just replace this with F("invitation__creator")
-            "invited_by": cls.get_invited_by_query(
-                object_id_query=Cast(OuterRef("id"), output_field=TextField())
-            ),
+            "invited_by": cls.get_invited_by_query(object_id_query=Cast(OuterRef("id"), output_field=TextField())),
         }
 
     @classmethod
diff --git a/src/registrar/views/portfolios.py b/src/registrar/views/portfolios.py
index 09ff159c5..6e61f6836 100644
--- a/src/registrar/views/portfolios.py
+++ b/src/registrar/views/portfolios.py
@@ -390,12 +390,8 @@ class PortfolioMembersView(PortfolioMembersPermissionView, View):
         context = {}
         if portfolio:
             user_count = portfolio.portfolio_users.count()
-            invitation_count = PortfolioInvitation.objects.filter(
-                portfolio=portfolio
-            ).count()
-            context.update({
-                "member_count": user_count + invitation_count
-            })
+            invitation_count = PortfolioInvitation.objects.filter(portfolio=portfolio).count()
+            context.update({"member_count": user_count + invitation_count})
         return render(request, "portfolio_members.html", context=context)