diff --git a/client/src/api/schema/schema.ts b/client/src/api/schema/schema.ts
index 86cb7c1cc58..f6639af5b5b 100644
--- a/client/src/api/schema/schema.ts
+++ b/client/src/api/schema/schema.ts
@@ -13342,6 +13342,12 @@ export interface components {
          * @description Payload schema for creating a group.
          */
         GroupCreatePayload: {
+            /**
+             * auto-create role
+             * @description If true, create a new role with the same name as the group and associate it.
+             * @default false
+             */
+            auto_create_role: boolean;
             /** name of the group */
             name: string;
             /**
@@ -40889,7 +40895,14 @@ export interface operations {
     };
     index_api_roles_get: {
         parameters: {
-            query?: never;
+            query?: {
+                /** @description Search by role name or user email (for private roles). */
+                search?: string | null;
+                /** @description The maximum number of roles to return. */
+                limit?: number | null;
+                /** @description Number of roles to skip. */
+                offset?: number | null;
+            };
             header?: {
                 /** @description The user ID that will be used to effectively make this API call. Only admins and designated users can make API calls on behalf of other users. */
                 "run-as"?: string | null;
@@ -43324,6 +43337,10 @@ export interface operations {
                 f_name?: string | null;
                 /** @description Filter on username OR email */
                 f_any?: string | null;
+                /** @description Maximum number of users to return. */
+                limit?: number | null;
+                /** @description Number of users to skip. */
+                offset?: number | null;
             };
             header?: {
                 /** @description The user ID that will be used to effectively make this API call. Only admins and designated users can make API calls on behalf of other users. */
diff --git a/client/src/components/admin/GroupForm.vue b/client/src/components/admin/GroupForm.vue
new file mode 100644
index 00000000000..9d2785c3a7d
--- /dev/null
+++ b/client/src/components/admin/GroupForm.vue
@@ -0,0 +1,244 @@
+<script setup lang="ts">
+import "vue-multiselect/dist/vue-multiselect.min.css";
+
+import { faSave } from "@fortawesome/free-solid-svg-icons";
+import { FontAwesomeIcon } from "@fortawesome/vue-fontawesome";
+import { BAlert, BButton, BFormCheckbox } from "bootstrap-vue";
+import { ref } from "vue";
+import Multiselect from "vue-multiselect";
+import { useRouter } from "vue-router/composables";
+
+import { GalaxyApi } from "@/api";
+import { errorMessageAsString } from "@/utils/simple-error";
+
+import FormInput from "@/components/Form/Elements/FormInput.vue";
+import FormCard from "@/components/Form/FormCard.vue";
+import FormElementLabel from "@/components/Form/FormElementLabel.vue";
+import LoadingSpan from "@/components/LoadingSpan.vue";
+
+interface UserOption {
+    id: string;
+    email: string;
+}
+
+interface RoleOption {
+    id: string;
+    name: string;
+}
+
+const props = defineProps<{
+    groupId?: string;
+}>();
+
+const isEditMode = !!props.groupId;
+
+const errorMessage = ref("");
+const loading = ref(false);
+const groupName = ref("");
+const selectedUsers = ref<UserOption[]>([]);
+const selectedRoles = ref<RoleOption[]>([]);
+const userOptions = ref<UserOption[]>([]);
+const roleOptions = ref<RoleOption[]>([]);
+const userSearch = ref("");
+const roleSearch = ref("");
+const autoCreateRole = ref(false);
+
+const router = useRouter();
+
+async function onUserSearch(searchValue: string) {
+    userSearch.value = searchValue;
+    if (searchValue.length < 3) {
+        userOptions.value = [...selectedUsers.value];
+        return;
+    }
+    const { data, error } = await GalaxyApi().GET("/api/users", {
+        params: { query: { f_email: searchValue, limit: 50 } },
+    });
+    if (error) {
+        errorMessage.value = errorMessageAsString(error);
+        return;
+    }
+    const selectedIds = new Set(selectedUsers.value.map((u) => u.id));
+    const filtered = data.filter((u) => u.email && !selectedIds.has(u.id)).map((u) => ({ id: u.id, email: u.email! }));
+    userOptions.value = [...selectedUsers.value, ...filtered];
+}
+
+async function onRoleSearch(searchValue: string) {
+    roleSearch.value = searchValue;
+    if (searchValue.length < 3) {
+        roleOptions.value = [...selectedRoles.value];
+        return;
+    }
+    const { data, error } = await GalaxyApi().GET("/api/roles", {
+        params: { query: { search: searchValue, limit: 50 } },
+    });
+    if (error) {
+        errorMessage.value = errorMessageAsString(error);
+        return;
+    }
+    const selectedIds = new Set(selectedRoles.value.map((r) => r.id));
+    const filtered = data.filter((r) => !selectedIds.has(r.id)).map((r) => ({ id: r.id, name: r.name }));
+    roleOptions.value = [...selectedRoles.value, ...filtered];
+}
+
+async function loadGroupData() {
+    if (!props.groupId) {
+        return;
+    }
+    loading.value = true;
+    try {
+        const { data: group, error: groupError } = await GalaxyApi().GET("/api/groups/{group_id}", {
+            params: { path: { group_id: props.groupId } },
+        });
+        if (groupError) {
+            errorMessage.value = errorMessageAsString(groupError);
+            loading.value = false;
+            return;
+        }
+        groupName.value = group.name;
+
+        const { data: users, error: usersError } = await GalaxyApi().GET("/api/groups/{group_id}/users", {
+            params: { path: { group_id: props.groupId } },
+        });
+        if (usersError) {
+            errorMessage.value = errorMessageAsString(usersError);
+            loading.value = false;
+            return;
+        }
+        selectedUsers.value = users.map((u) => ({
+            id: u.id,
+            email: u.email,
+        }));
+        userOptions.value = [...selectedUsers.value];
+
+        const { data: roles, error: rolesError } = await GalaxyApi().GET("/api/groups/{group_id}/roles", {
+            params: { path: { group_id: props.groupId } },
+        });
+        if (rolesError) {
+            errorMessage.value = errorMessageAsString(rolesError);
+            loading.value = false;
+            return;
+        }
+        selectedRoles.value = roles.map((r) => ({
+            id: r.id,
+            name: r.name,
+        }));
+        roleOptions.value = [...selectedRoles.value];
+    } catch (e) {
+        errorMessage.value = errorMessageAsString(e);
+    }
+    loading.value = false;
+}
+
+async function onSubmit() {
+    const userIds = selectedUsers.value.map((u) => u.id);
+    const roleIds = selectedRoles.value.map((r) => r.id);
+
+    if (isEditMode) {
+        const { error } = await GalaxyApi().PUT("/api/groups/{group_id}", {
+            params: { path: { group_id: props.groupId! } },
+            body: {
+                user_ids: userIds,
+                role_ids: roleIds,
+            },
+        });
+        if (error) {
+            errorMessage.value = errorMessageAsString(error);
+            return;
+        }
+    } else {
+        if (!groupName.value) {
+            errorMessage.value = "Please enter a group name.";
+            return;
+        }
+        const { error } = await GalaxyApi().POST("/api/groups", {
+            body: {
+                name: groupName.value,
+                user_ids: userIds,
+                role_ids: roleIds,
+                auto_create_role: autoCreateRole.value,
+            },
+        });
+        if (error) {
+            errorMessage.value = errorMessageAsString(error);
+            return;
+        }
+    }
+    router.push("/admin/groups");
+}
+
+loadGroupData();
+</script>
+
+<template>
+    <div>
+        <LoadingSpan v-if="loading" />
+        <div v-else>
+            <BAlert v-if="errorMessage" variant="danger" show>{{ errorMessage }}</BAlert>
+            <FormCard :title="isEditMode ? `Group '${groupName}'` : 'Create a new Group'" icon="fa-users">
+                <template v-slot:body>
+                    <FormElementLabel title="Name" :required="!isEditMode" :condition="!!groupName">
+                        <FormInput v-if="!isEditMode" id="admin-group-name-input" v-model="groupName" />
+                        <span v-else>{{ groupName }}</span>
+                    </FormElementLabel>
+
+                    <FormElementLabel title="Users">
+                        <Multiselect
+                            id="admin-group-users-select"
+                            v-model="selectedUsers"
+                            :options="userOptions"
+                            :clear-on-select="true"
+                            :multiple="true"
+                            :internal-search="false"
+                            :max-height="300"
+                            label="email"
+                            track-by="id"
+                            placeholder="Search users by email..."
+                            @search-change="onUserSearch">
+                            <template slot="noResult">
+                                <div v-if="userSearch.length < 3">Enter at least 3 characters to search</div>
+                                <div v-else>No users found</div>
+                            </template>
+                            <template slot="noOptions">
+                                <div>Enter at least 3 characters to search</div>
+                            </template>
+                        </Multiselect>
+                    </FormElementLabel>
+
+                    <FormElementLabel title="Roles">
+                        <Multiselect
+                            id="admin-group-roles-select"
+                            v-model="selectedRoles"
+                            :options="roleOptions"
+                            :clear-on-select="true"
+                            :multiple="true"
+                            :internal-search="false"
+                            :max-height="300"
+                            label="name"
+                            track-by="id"
+                            placeholder="Search roles by name..."
+                            @search-change="onRoleSearch">
+                            <template slot="noResult">
+                                <div v-if="roleSearch.length < 3">Enter at least 3 characters to search</div>
+                                <div v-else>No roles found</div>
+                            </template>
+                            <template slot="noOptions">
+                                <div>Enter at least 3 characters to search</div>
+                            </template>
+                        </Multiselect>
+                    </FormElementLabel>
+
+                    <FormElementLabel v-if="!isEditMode" title="Auto-create role">
+                        <BFormCheckbox v-model="autoCreateRole">
+                            Create a new role with the same name as this group
+                        </BFormCheckbox>
+                    </FormElementLabel>
+                </template>
+            </FormCard>
+            <BButton id="admin-group-submit" class="my-2" variant="primary" @click="onSubmit">
+                <FontAwesomeIcon :icon="faSave" class="mr-1" />
+                <span v-localize>{{ isEditMode ? "Save" : "Create" }}</span>
+            </BButton>
+        </div>
+    </div>
+</template>
diff --git a/client/src/entry/analysis/routes/admin-routes.js b/client/src/entry/analysis/routes/admin-routes.js
index 999ef0c81b3..e87fa3ce7b0 100644
--- a/client/src/entry/analysis/routes/admin-routes.js
+++ b/client/src/entry/analysis/routes/admin-routes.js
@@ -16,6 +16,7 @@ import DataTypes from "@/components/admin/DataTypes.vue";
 import ToolboxDependencies from "@/components/admin/Dependencies/Landing.vue";
 import DisplayApplications from "@/components/admin/DisplayApplications.vue";
 import ErrorStack from "@/components/admin/ErrorStack.vue";
+import GroupForm from "@/components/admin/GroupForm.vue";
 import JobsList from "@/components/admin/JobsList.vue";
 import BroadcastForm from "@/components/admin/Notifications/BroadcastForm.vue";
 import NotificationForm from "@/components/admin/Notifications/NotificationForm.vue";
@@ -206,10 +207,9 @@ export default [
             },
             {
                 path: "form/manage_users_and_roles_for_group",
-                component: FormGeneric,
+                component: GroupForm,
                 props: (route) => ({
-                    url: `/admin/manage_users_and_roles_for_group?id=${route.query.id}`,
-                    redirect: "/admin/groups",
+                    groupId: route.query.id,
                 }),
             },
             {
@@ -226,11 +226,7 @@ export default [
             },
             {
                 path: "form/create_group",
-                component: FormGeneric,
-                props: {
-                    url: "/admin/create_group",
-                    redirect: "/admin/groups",
-                },
+                component: GroupForm,
             },
             {
                 path: "form/create_quota",
diff --git a/client/src/utils/navigation/navigation.yml b/client/src/utils/navigation/navigation.yml
index 666bc98d354..56a65f3ae65 100644
--- a/client/src/utils/navigation/navigation.yml
+++ b/client/src/utils/navigation/navigation.yml
@@ -1247,7 +1247,7 @@ admin:
     registration_form: 'form#registration'
     groups_grid: '#groups-grid'
     roles_grid: '#roles-grid'
-    groups_create_view: '#submit:not([aria-disabled])'
+    groups_create_view: '#admin-group-submit'
 
 libraries:
 
diff --git a/lib/galaxy/managers/groups.py b/lib/galaxy/managers/groups.py
index e204a17a89d..413db99c119 100644
--- a/lib/galaxy/managers/groups.py
+++ b/lib/galaxy/managers/groups.py
@@ -52,8 +52,19 @@ class GroupsManager:
         group = model.Group(name=name)
         sa_session.add(group)
 
+        role_ids = list(payload.role_ids)
+        if payload.auto_create_role:
+            existing_role = sa_session.scalars(select(model.Role).where(model.Role.name == name).limit(1)).first()
+            if existing_role:
+                raise Conflict(f"A role with name '{name}' already exists")
+            role = model.Role(name=name, description=f"Role for group {name}")
+            sa_session.add(role)
+            sa_session.flush()
+            gra = model.GroupRoleAssociation(group, role)
+            sa_session.add(gra)
+
         trans.app.security_agent.set_group_user_and_role_associations(
-            group, user_ids=payload.user_ids, role_ids=payload.role_ids
+            group, user_ids=payload.user_ids, role_ids=role_ids
         )
         sa_session.commit()
 
diff --git a/lib/galaxy/managers/roles.py b/lib/galaxy/managers/roles.py
index 99d6bc1441e..53d2c5c040f 100644
--- a/lib/galaxy/managers/roles.py
+++ b/lib/galaxy/managers/roles.py
@@ -66,8 +66,21 @@ class RoleManager(base.ModelManager[model.Role]):
 
         return role
 
-    def list_displayable_roles(self, trans: ProvidesUserContext) -> list[Role]:
-        return get_displayable_roles(trans.sa_session, trans.user, trans.user_is_admin, trans.app.security_agent)
+    def list_displayable_roles(
+        self,
+        trans: ProvidesUserContext,
+        search: str | None = None,
+        limit: int | None = None,
+        offset: int = 0,
+    ) -> list[Role]:
+        return get_displayable_roles(
+            trans.sa_session,
+            trans.user,
+            trans.user_is_admin,
+            search=search,
+            limit=limit,
+            offset=offset,
+        )
 
     def create_role(self, trans: ProvidesUserContext, role_definition_model: RoleDefinitionModel) -> model.Role:
         name = role_definition_model.name
diff --git a/lib/galaxy/model/db/role.py b/lib/galaxy/model/db/role.py
index 16cd210c06c..6071da26bd0 100644
--- a/lib/galaxy/model/db/role.py
+++ b/lib/galaxy/model/db/role.py
@@ -1,6 +1,8 @@
 from sqlalchemy import (
     and_,
     false,
+    func,
+    or_,
     select,
 )
 
@@ -44,13 +46,44 @@ def get_roles_by_ids(session: galaxy_scoped_session, role_ids):
     return session.scalars(stmt).all()
 
 
-def get_displayable_roles(session, trans_user, user_is_admin, security_agent):
-    roles = []
+def get_displayable_roles(
+    session,
+    trans_user,
+    user_is_admin,
+    search: str | None = None,
+    limit: int | None = None,
+    offset: int = 0,
+):
     stmt = select(Role).where(Role.deleted == false())
-    for role in session.scalars(stmt):
-        if user_is_admin or security_agent.ok_to_display(trans_user, role):
-            roles.append(role)
-    return roles
+    if not user_is_admin:
+        if trans_user:
+            # Non-admin users see: all non-private/non-sharing roles,
+            # plus their own private role and their own sharing roles.
+            user_role_ids = select(UserRoleAssociation.role_id).where(UserRoleAssociation.user_id == trans_user.id)
+            stmt = stmt.where(
+                or_(
+                    ~Role.type.in_((Role.types.PRIVATE, Role.types.SHARING)),
+                    and_(Role.type.in_((Role.types.PRIVATE, Role.types.SHARING)), Role.id.in_(user_role_ids)),
+                )
+            )
+        else:
+            # Anonymous: exclude private and sharing roles entirely
+            stmt = stmt.where(~Role.type.in_((Role.types.PRIVATE, Role.types.SHARING)))
+    if search:
+        # LEFT JOIN to User via UserRoleAssociation for private roles only,
+        # so coalesce(User.email, Role.name) gives the displayed name.
+        stmt = stmt.outerjoin(
+            UserRoleAssociation,
+            and_(UserRoleAssociation.role_id == Role.id, Role.type == Role.types.PRIVATE),
+        ).outerjoin(User, UserRoleAssociation.user_id == User.id)
+        displayed_name = func.coalesce(User.email, Role.name)
+        stmt = stmt.where(displayed_name.ilike(f"%{search}%"))
+    stmt = stmt.order_by(Role.id)
+    if offset:
+        stmt = stmt.offset(offset)
+    if limit is not None:
+        stmt = stmt.limit(limit)
+    return session.scalars(stmt).all()
 
 
 def get_private_role_user_emails_dict(session, role_ids: set[int] | None = None) -> dict[int, str]:
diff --git a/lib/galaxy/model/db/user.py b/lib/galaxy/model/db/user.py
index 16ce1dff810..39a6ddff644 100644
--- a/lib/galaxy/model/db/user.py
+++ b/lib/galaxy/model/db/user.py
@@ -57,6 +57,8 @@ def get_users_for_index(
     is_admin: bool = False,
     expose_user_email: bool = False,
     expose_user_name: bool = False,
+    limit: int | None = None,
+    offset: int = 0,
 ) -> Sequence[User]:
     stmt = select(User)
     if f_email and (is_admin or expose_user_email):
@@ -77,6 +79,11 @@ def get_users_for_index(
         stmt = stmt.where(User.deleted == true())
     else:
         stmt = stmt.where(User.deleted == false())
+    stmt = stmt.order_by(User.email)
+    if offset:
+        stmt = stmt.offset(offset)
+    if limit is not None:
+        stmt = stmt.limit(limit)
     return session.scalars(stmt).all()
 
 
diff --git a/lib/galaxy/schema/groups.py b/lib/galaxy/schema/groups.py
index 3998096f81b..0cbf11ca35d 100644
--- a/lib/galaxy/schema/groups.py
+++ b/lib/galaxy/schema/groups.py
@@ -69,6 +69,11 @@ class GroupCreatePayload(Model):
         [],
         title="role IDs",
     )
+    auto_create_role: bool = Field(
+        False,
+        title="auto-create role",
+        description="If true, create a new role with the same name as the group and associate it.",
+    )
 
 
 @partial_model()
diff --git a/lib/galaxy/webapps/galaxy/api/roles.py b/lib/galaxy/webapps/galaxy/api/roles.py
index 499890f3278..59cde92f88b 100644
--- a/lib/galaxy/webapps/galaxy/api/roles.py
+++ b/lib/galaxy/webapps/galaxy/api/roles.py
@@ -3,8 +3,12 @@ API operations on Role objects.
 """
 
 import logging
+from typing import Optional
 
-from fastapi import Body
+from fastapi import (
+    Body,
+    Query,
+)
 
 from galaxy.managers.context import ProvidesUserContext
 from galaxy.schema.schema import (
@@ -22,6 +26,24 @@ from galaxy.webapps.galaxy.services.roles import RolesService
 
 log = logging.getLogger(__name__)
 
+SearchRolesQueryParam: Optional[str] = Query(
+    default=None,
+    title="Search filter",
+    description="Search by role name or user email (for private roles).",
+)
+LimitRolesQueryParam: Optional[int] = Query(
+    default=None,
+    ge=1,
+    title="Limit",
+    description="The maximum number of roles to return.",
+)
+OffsetRolesQueryParam: Optional[int] = Query(
+    default=0,
+    ge=0,
+    title="Offset",
+    description="Number of roles to skip.",
+)
+
 
 # Empty paths (e.g. /api/roles) only work if a prefix is defined right here.
 # https://github.com/tiangolo/fastapi/pull/415/files
@@ -33,8 +55,14 @@ class FastAPIRoles:
     service: RolesService = depends(RolesService)
 
     @router.get("/api/roles")
-    def index(self, trans: ProvidesUserContext = DependsOnTrans) -> RoleListResponse:
-        return self.service.get_index(trans=trans)
+    def index(
+        self,
+        trans: ProvidesUserContext = DependsOnTrans,
+        search: Optional[str] = SearchRolesQueryParam,
+        limit: Optional[int] = LimitRolesQueryParam,
+        offset: Optional[int] = OffsetRolesQueryParam,
+    ) -> RoleListResponse:
+        return self.service.get_index(trans=trans, search=search, limit=limit, offset=offset)
 
     @router.get("/api/roles/{id}")
     def show(self, id: RoleIDPathParam, trans: ProvidesUserContext = DependsOnTrans) -> RoleModelResponse:
diff --git a/lib/galaxy/webapps/galaxy/api/users.py b/lib/galaxy/webapps/galaxy/api/users.py
index e1c5ab39486..b256f277197 100644
--- a/lib/galaxy/webapps/galaxy/api/users.py
+++ b/lib/galaxy/webapps/galaxy/api/users.py
@@ -640,8 +640,14 @@ class FastAPIUsers:
         f_email: Optional[str] = FilterEmailQueryParam,
         f_name: Optional[str] = FilterNameQueryParam,
         f_any: Optional[str] = FilterAnyQueryParam,
+        limit: Optional[int] = Query(
+            default=None, ge=1, title="Limit", description="Maximum number of users to return."
+        ),
+        offset: Optional[int] = Query(default=0, ge=0, title="Offset", description="Number of users to skip."),
     ) -> list[MaybeLimitedUserModel]:
-        return self.service.get_index(trans=trans, deleted=deleted, f_email=f_email, f_name=f_name, f_any=f_any)
+        return self.service.get_index(
+            trans=trans, deleted=deleted, f_email=f_email, f_name=f_name, f_any=f_any, limit=limit, offset=offset
+        )
 
     @router.get(
         "/api/users/{user_id}",
diff --git a/lib/galaxy/webapps/galaxy/controllers/admin.py b/lib/galaxy/webapps/galaxy/controllers/admin.py
index fad077a308e..77cf315fbaa 100644
--- a/lib/galaxy/webapps/galaxy/controllers/admin.py
+++ b/lib/galaxy/webapps/galaxy/controllers/admin.py
@@ -17,7 +17,6 @@ from galaxy.exceptions import (
     RequestParameterInvalidException,
 )
 from galaxy.managers.quotas import QuotaManager
-from galaxy.model.db.role import get_private_role_user_emails_dict
 from galaxy.model.index_filter_util import (
     raw_text_column_filter,
     text_column_filter,
@@ -763,153 +762,6 @@ class AdminGalaxy(controller.BaseUIController):
                         trans.sa_session.commit()
             return {"message": f"Group '{old_name}' has been renamed to '{new_name}'."}
 
-    @web.legacy_expose_api
-    @web.require_admin
-    def manage_users_and_roles_for_group(self, trans, payload=None, **kwd):
-        group_id = kwd.get("id")
-        if not group_id:
-            return self.message_exception(trans, f"Invalid group id ({str(group_id)}) received")
-        group = get_group(trans, group_id)
-        if trans.request.method == "GET":
-            in_users = []
-            all_users = []
-            in_roles = []
-            all_roles = []
-            for user in (
-                trans.sa_session.query(trans.app.model.User)
-                .filter(trans.app.model.User.table.c.deleted == false())
-                .order_by(trans.app.model.User.table.c.email)
-            ):
-                if user in [x.user for x in group.users]:
-                    in_users.append(trans.security.encode_id(user.id))
-                all_users.append((user.email, trans.security.encode_id(user.id)))
-
-            private_role_emails = get_private_role_user_emails_dict(trans.sa_session)
-
-            for role in (
-                trans.sa_session.query(trans.app.model.Role)
-                .filter(trans.app.model.Role.deleted == false())
-                .order_by(trans.app.model.Role.name)
-            ):
-                if role in [x.role for x in group.roles]:
-                    in_roles.append(trans.security.encode_id(role.id))
-                displayed_name = private_role_emails.get(role.id, role.name)
-                all_roles.append((displayed_name, trans.security.encode_id(role.id)))
-            return {
-                "title": f"Group '{group.name}'",
-                "message": f"Group '{group.name}' is currently associated with {len(in_users)} user(s) and {len(in_roles)} role(s).",
-                "status": "info",
-                "inputs": [
-                    build_select_input("in_roles", "Roles", all_roles, in_roles),
-                    build_select_input("in_users", "Users", all_users, in_users),
-                ],
-            }
-        else:
-            user_ids = [trans.security.decode_id(id) for id in util.listify(payload.get("in_users"))]
-            role_ids = [trans.security.decode_id(id) for id in util.listify(payload.get("in_roles"))]
-            try:
-                trans.app.security_agent.set_group_user_and_role_associations(
-                    group, user_ids=user_ids, role_ids=role_ids
-                )
-                return {
-                    "message": f"Group '{group.name}' has been updated with {len(user_ids)} associated users and {len(role_ids)} associated roles."
-                }
-            except RequestParameterInvalidException:
-                return self.message_exception(trans, "One or more invalid user/role id has been provided.")
-
-    @web.legacy_expose_api
-    @web.require_admin
-    def create_group(self, trans, payload=None, **kwd):
-        if trans.request.method == "GET":
-            all_users = []
-            all_roles = []
-            for user in (
-                trans.sa_session.query(trans.app.model.User)
-                .filter(trans.app.model.User.table.c.deleted == false())
-                .order_by(trans.app.model.User.table.c.email)
-            ):
-                all_users.append((user.email, trans.security.encode_id(user.id)))
-
-            private_role_emails = get_private_role_user_emails_dict(trans.sa_session)
-
-            for role in (
-                trans.sa_session.query(trans.app.model.Role)
-                .filter(trans.app.model.Role.deleted == false())
-                .order_by(trans.app.model.Role.name)
-            ):
-                displayed_name = private_role_emails.get(role.id, role.name)
-                all_roles.append((displayed_name, trans.security.encode_id(role.id)))
-            return {
-                "title": "Create Group",
-                "title_id": "create-group",
-                "inputs": [
-                    {"name": "name", "label": "Name"},
-                    build_select_input("in_roles", "Roles", all_roles, []),
-                    build_select_input("in_users", "Users", all_users, []),
-                    {
-                        "name": "auto_create",
-                        "label": "Create a new role of the same name for this group:",
-                        "type": "boolean",
-                        "optional": True,
-                    },
-                ],
-            }
-        else:
-            name = util.restore_text(payload.get("name", ""))
-            auto_create_checked = payload.get("auto_create")
-            in_users = [
-                trans.sa_session.query(trans.app.model.User).get(trans.security.decode_id(x))
-                for x in util.listify(payload.get("in_users"))
-            ]
-            in_roles = [
-                trans.sa_session.query(trans.app.model.Role).get(trans.security.decode_id(x))
-                for x in util.listify(payload.get("in_roles"))
-            ]
-            if not name:
-                return self.message_exception(trans, "Enter a valid name.")
-            elif trans.sa_session.query(trans.app.model.Group).filter(trans.app.model.Group.name == name).first():
-                return self.message_exception(
-                    trans,
-                    "Group names must be unique and a group with that name already exists, so choose another name.",
-                )
-            elif None in in_users or None in in_roles:
-                return self.message_exception(trans, "One or more invalid user/role id has been provided.")
-            else:
-                # Create the role
-                group = trans.app.model.Group(name=name)
-                trans.sa_session.add(group)
-                # Create the UserRoleAssociations
-                for user in in_users:
-                    uga = trans.app.model.UserGroupAssociation(user, group)
-                    trans.sa_session.add(uga)
-                # Create the GroupRoleAssociations
-                for role in in_roles:
-                    gra = trans.app.model.GroupRoleAssociation(group, role)
-                    trans.sa_session.add(gra)
-                if auto_create_checked:
-                    # Check if role with same name already exists
-                    if trans.sa_session.query(trans.app.model.Role).filter(trans.app.model.Role.name == name).first():
-                        return self.message_exception(
-                            trans,
-                            "A role with that name already exists, so choose another name or disable role creation.",
-                        )
-                    # Create the role
-                    role = trans.app.model.Role(name=name, description=f"Role for group {name}")
-                    trans.sa_session.add(role)
-                    # Associate the group with the role
-                    gra = trans.model.GroupRoleAssociation(group, role)
-                    trans.sa_session.add(gra)
-                    num_in_roles = len(in_roles) + 1
-                else:
-                    num_in_roles = len(in_roles)
-                trans.sa_session.commit()
-                message = f"Group '{group.name}' has been created with {len(in_users)} associated users and {num_in_roles} associated roles."
-                if auto_create_checked:
-                    message += (
-                        "One of the roles associated with this group is the newly created role with the same name."
-                    )
-                return {"message": message}
-
     @web.expose
     @web.require_admin
     def create_new_user(self, trans, **kwd):
diff --git a/lib/galaxy/webapps/galaxy/services/roles.py b/lib/galaxy/webapps/galaxy/services/roles.py
index 666808c85f1..93bba884fbc 100644
--- a/lib/galaxy/webapps/galaxy/services/roles.py
+++ b/lib/galaxy/webapps/galaxy/services/roles.py
@@ -38,14 +38,17 @@ class RolesService(ServiceBase):
         super().__init__(security)
         self.role_manager = role_manager
 
-    def get_index(self, trans: ProvidesUserContext) -> RoleListResponse:
-        roles = self.role_manager.list_displayable_roles(trans)
+    def get_index(
+        self,
+        trans: ProvidesUserContext,
+        search: Optional[str] = None,
+        limit: Optional[int] = None,
+        offset: Optional[int] = 0,
+    ) -> RoleListResponse:
+        roles = self.role_manager.list_displayable_roles(trans, search=search, limit=limit, offset=offset or 0)
         role_ids = {r.id for r in roles}
         private_role_emails = get_private_role_user_emails_dict(trans.sa_session, role_ids=role_ids)
-        data = []
-        for role in roles:
-            displayed_name = private_role_emails.get(role.id, role.name)
-            data.append(role_to_model(role, displayed_name))
+        data = [role_to_model(role, private_role_emails.get(role.id, role.name)) for role in roles]
         return RoleListResponse(root=data)
 
     def show(self, trans: ProvidesUserContext, id: DecodedDatabaseIdField) -> RoleModelResponse:
diff --git a/lib/galaxy/webapps/galaxy/services/users.py b/lib/galaxy/webapps/galaxy/services/users.py
index a12271f3dd5..39aa35c03a4 100644
--- a/lib/galaxy/webapps/galaxy/services/users.py
+++ b/lib/galaxy/webapps/galaxy/services/users.py
@@ -204,6 +204,8 @@ class UsersService(ServiceBase):
         f_email: Optional[str],
         f_name: Optional[str],
         f_any: Optional[str],
+        limit: Optional[int] = None,
+        offset: Optional[int] = 0,
     ) -> list[MaybeLimitedUserModel]:
         # never give any info to non-authenticated users
         if not trans.user and not trans.user_is_bootstrap_admin:
@@ -234,6 +236,8 @@ class UsersService(ServiceBase):
             trans.user_is_admin,
             trans.app.config.expose_user_email,
             trans.app.config.expose_user_name,
+            limit=limit,
+            offset=offset or 0,
         )
         rval: list[MaybeLimitedUserModel] = []
         for user in users:
diff --git a/lib/galaxy_test/api/test_groups.py b/lib/galaxy_test/api/test_groups.py
index 11f4c33cb85..df36595e2c0 100644
--- a/lib/galaxy_test/api/test_groups.py
+++ b/lib/galaxy_test/api/test_groups.py
@@ -31,6 +31,31 @@ class TestGroupsApi(ApiTestCase):
         response = self._post("groups", payload, admin=True, json=True)
         self._assert_status_code_is(response, 400)
 
+    def test_create_with_auto_create_role(self):
+        name = f"auto-role-group-{self.dataset_populator.get_random_name()}"
+        payload = self._build_valid_group_payload(name)
+        payload["auto_create_role"] = True
+        response = self._post("groups", payload, admin=True, json=True)
+        self._assert_status_code_is(response, 200)
+        group = response.json()[0]
+        self._assert_valid_group(group)
+        # Verify role with same name was created and associated with the group
+        roles = self._get(f"groups/{group['id']}/roles", admin=True).json()
+        role_names = [r["name"] for r in roles]
+        assert name in role_names
+
+    def test_create_with_auto_create_role_conflict(self):
+        """Auto-create role should fail if a role with the same name already exists."""
+        name = f"auto-role-conflict-{self.dataset_populator.get_random_name()}"
+        # First create a role with this name
+        role_payload = {"name": name, "description": "A test role.", "user_ids": [self.dataset_populator.user_id()]}
+        self._post("roles", role_payload, admin=True, json=True)
+        # Now try to create a group with auto_create_role - should conflict
+        payload = self._build_valid_group_payload(name)
+        payload["auto_create_role"] = True
+        response = self._post("groups", payload, admin=True, json=True)
+        self._assert_status_code_is(response, 409)
+
     def test_create_duplicated_name_raises_409(self):
         payload = self._build_valid_group_payload()
         response = self._post("groups", payload, admin=True, json=True)
diff --git a/lib/galaxy_test/api/test_roles.py b/lib/galaxy_test/api/test_roles.py
index 1f8638ad382..33d1e6b3a69 100644
--- a/lib/galaxy_test/api/test_roles.py
+++ b/lib/galaxy_test/api/test_roles.py
@@ -130,6 +130,36 @@ class TestRolesApi(ApiTestCase):
         response = self._get(f"roles/{different_user_role_id}")
         assert_status_code_is(response, 404)
 
+    @requires_admin
+    def test_list_with_pagination(self):
+        self._create_role()
+        self._create_role()
+        # Test limit
+        response = self._get("roles", data={"limit": 1}, admin=True)
+        assert_status_code_is(response, 200)
+        data = response.json()
+        assert len(data) == 1
+        # Test limit + offset returns different result
+        response_offset = self._get("roles", data={"limit": 1, "offset": 1}, admin=True)
+        assert_status_code_is(response_offset, 200)
+        data_offset = response_offset.json()
+        assert len(data_offset) == 1
+        assert data[0]["id"] != data_offset[0]["id"]
+
+    @requires_admin
+    def test_list_with_search(self):
+        unique = self.dataset_populator.get_random_name()
+        role = self._create_role(name=f"searchable-{unique}")
+        response = self._get("roles", data={"search": unique}, admin=True)
+        assert_status_code_is(response, 200)
+        data = response.json()
+        assert any(r["id"] == role["id"] for r in data)
+        # Search for non-existing returns empty
+        response = self._get("roles", data={"search": "nonexistent-xyz-99999"}, admin=True)
+        assert_status_code_is(response, 200)
+        data = response.json()
+        assert len(data) == 0
+
     @requires_admin
     def test_create_only_admin(self):
         response = self._post("roles", json=True)
diff --git a/lib/galaxy_test/api/test_users.py b/lib/galaxy_test/api/test_users.py
index 850d67affb9..20206605afb 100644
--- a/lib/galaxy_test/api/test_users.py
+++ b/lib/galaxy_test/api/test_users.py
@@ -47,6 +47,23 @@ class TestUsersApi(ApiTestCase):
         all_deleted_users = all_deleted_users_response_2.json()
         assert len([u for u in all_deleted_users if u["email"] == TEST_USER_EMAIL_INDEX_DELETED]) == 1
 
+    @requires_admin
+    def test_index_with_pagination(self):
+        dataset_populator = DatasetPopulator(self.galaxy_interactor)
+        self._setup_user(f"pagination_test_{dataset_populator.get_random_name()}@bx.psu.edu")
+        self._setup_user(f"pagination_test_{dataset_populator.get_random_name()}@bx.psu.edu")
+        response = self._get("users", data={"limit": 1}, admin=True)
+        self._assert_status_code_is(response, 200)
+        data = response.json()
+        assert len(data) == 1
+        # With offset
+        response_offset = self._get("users", data={"limit": 1, "offset": 1}, admin=True)
+        self._assert_status_code_is(response_offset, 200)
+        data_offset = response_offset.json()
+        assert len(data_offset) == 1
+        # Different results
+        assert data[0]["id"] != data_offset[0]["id"]
+
     def test_index_anon(self):
         with self._different_user(anon=True):
             all_users_response = self._get("users")
diff --git a/lib/galaxy_test/selenium/test_admin_app.py b/lib/galaxy_test/selenium/test_admin_app.py
index 3bd09d9cd10..2d6e25d30d6 100644
--- a/lib/galaxy_test/selenium/test_admin_app.py
+++ b/lib/galaxy_test/selenium/test_admin_app.py
@@ -182,7 +182,6 @@ class TestAdminApp(SeleniumTestCase):
         assert title_element.text == "Local Data"
         self.screenshot("admin_local_data")
 
-    @selenium_only("Not yet migrated to support Playwright backend")
     @selenium_test
     @requires_admin
     def test_admin_user_display(self):
diff --git a/test/unit/data/model/db/test_role.py b/test/unit/data/model/db/test_role.py
index 27382f128b4..f50ca9e6bf4 100644
--- a/test/unit/data/model/db/test_role.py
+++ b/test/unit/data/model/db/test_role.py
@@ -151,8 +151,8 @@ def test_get_displayable_roles(session, make_role, make_user_and_role):
     admin_role1 = make_role(type="admin", name="admin-role-1", description="Description of admin-role1")
     make_role(type="admin", description="Description of admin-role1", deleted=True)
 
-    user_is_admin, security_agent = True, None
-    roles = get_displayable_roles(session, user1, user_is_admin, security_agent)
+    user_is_admin = True
+    roles = get_displayable_roles(session, user1, user_is_admin)
     assert len(roles) == 3
     assert roles[0].id == private_role1.id
     assert roles[1].id == private_role2.id