diff --git a/lib/plexapi/base.py b/lib/plexapi/base.py
index 0852426d..c08334f9 100644
--- a/lib/plexapi/base.py
+++ b/lib/plexapi/base.py
@@ -170,7 +170,16 @@ class PlexObject:
         elem = ElementTree.fromstring(xml)
         return self._buildItemOrNone(elem, cls)
 
-    def fetchItems(self, ekey, cls=None, container_start=None, container_size=None, maxresults=None, **kwargs):
+    def fetchItems(
+        self,
+        ekey,
+        cls=None,
+        container_start=None,
+        container_size=None,
+        maxresults=None,
+        params=None,
+        **kwargs,
+    ):
         """ Load the specified key to find and build all items with the specified tag
             and attrs.
 
@@ -186,6 +195,7 @@ class PlexObject:
                 container_start (None, int): offset to get a subset of the data
                 container_size (None, int): How many items in data
                 maxresults (int, optional): Only return the specified number of results.
+                params (dict, optional): Any additional params to add to the request.
                 **kwargs (dict): Optionally add XML attribute to filter the items.
                     See the details below for more info.
 
@@ -268,7 +278,7 @@ class PlexObject:
             headers['X-Plex-Container-Start'] = str(container_start)
             headers['X-Plex-Container-Size'] = str(container_size)
 
-            data = self._server.query(ekey, headers=headers)
+            data = self._server.query(ekey, headers=headers, params=params)
             subresults = self.findItems(data, cls, ekey, **kwargs)
             total_size = utils.cast(int, data.attrib.get('totalSize') or data.attrib.get('size')) or len(subresults)
 
@@ -283,6 +293,11 @@ class PlexObject:
 
             results.extend(subresults)
 
+            container_start += container_size
+
+            if container_start > total_size:
+                break
+
             wanted_number_of_items = total_size - offset
             if maxresults is not None:
                 wanted_number_of_items = min(maxresults, wanted_number_of_items)
@@ -291,11 +306,6 @@ class PlexObject:
             if wanted_number_of_items <= len(results):
                 break
 
-            container_start += container_size
-
-            if container_start > total_size:
-                break
-
         return results
 
     def fetchItem(self, ekey, cls=None, **kwargs):
@@ -337,7 +347,7 @@ class PlexObject:
             kwargs['type'] = cls.TYPE
         # rtag to iter on a specific root tag using breadth-first search
         if rtag:
-            data = next(utils.iterXMLBFS(data, rtag), [])
+            data = next(utils.iterXMLBFS(data, rtag), Element('Empty'))
         # loop through all data elements to find matches
         items = MediaContainer[cls](self._server, data, initpath=initpath) if data.tag == 'MediaContainer' else []
         for elem in data:
diff --git a/lib/plexapi/const.py b/lib/plexapi/const.py
index e043d8c2..c987e305 100644
--- a/lib/plexapi/const.py
+++ b/lib/plexapi/const.py
@@ -4,6 +4,6 @@
 # Library version
 MAJOR_VERSION = 4
 MINOR_VERSION = 15
-PATCH_VERSION = 11
+PATCH_VERSION = 12
 __short_version__ = f"{MAJOR_VERSION}.{MINOR_VERSION}"
 __version__ = f"{__short_version__}.{PATCH_VERSION}"
diff --git a/lib/plexapi/server.py b/lib/plexapi/server.py
index bdd330f7..178ce82b 100644
--- a/lib/plexapi/server.py
+++ b/lib/plexapi/server.py
@@ -746,7 +746,7 @@ class PlexServer(PlexObject):
         """ Returns list of all :class:`~plexapi.media.TranscodeJob` objects running or paused on server. """
         return self.fetchItems('/status/sessions/background')
 
-    def query(self, key, method=None, headers=None, timeout=None, **kwargs):
+    def query(self, key, method=None, headers=None, params=None, timeout=None, **kwargs):
         """ Main method used to handle HTTPS requests to the Plex server. This method helps
             by encoding the response to utf-8 and parsing the returned XML into and
             ElementTree object. Returns None if no data exists in the response.
@@ -756,7 +756,7 @@ class PlexServer(PlexObject):
         timeout = timeout or self._timeout
         log.debug('%s %s', method.__name__.upper(), url)
         headers = self._headers(**headers or {})
-        response = method(url, headers=headers, timeout=timeout, **kwargs)
+        response = method(url, headers=headers, params=params, timeout=timeout, **kwargs)
         if response.status_code not in (200, 201, 204):
             codename = codes.get(response.status_code)[0]
             errtext = response.text.replace('\n', ' ')
diff --git a/requirements.txt b/requirements.txt
index ea940f73..cdf89bb5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -26,7 +26,7 @@ musicbrainzngs==0.7.1
 packaging==24.0
 paho-mqtt==2.0.0
 platformdirs==4.2.0
-plexapi==4.15.11
+plexapi==4.15.12
 portend==3.2.0
 profilehooks==1.12.0
 PyJWT==2.8.0