feat : new environment variable SEARXNG_LANGUAGE , in the persistent config, that you can also edit in Admin > Web Search pannel in case you choose Searxng. This is used in the request to searxng as the "search language" (arguement "language"). Before this feature, it was set to en-US only. Now default is "all". (#19909)

backend/open_webui/config.py

@@ -1345,8 +1345,7 @@ USER_PERMISSIONS_WORKSPACE_TOOLS_ALLOW_PUBLIC_SHARING = (
 
 
 USER_PERMISSIONS_NOTES_ALLOW_SHARING = (
-    os.environ.get("USER_PERMISSIONS_NOTES_ALLOW_SHARING", "False").lower()
-    == "true"
+    os.environ.get("USER_PERMISSIONS_NOTES_ALLOW_SHARING", "False").lower() == "true"
 )
 
 USER_PERMISSIONS_NOTES_ALLOW_PUBLIC_SHARING = (
@@ -3032,6 +3031,12 @@ SEARXNG_QUERY_URL = PersistentConfig(
     os.getenv("SEARXNG_QUERY_URL", ""),
 )
 
+SEARXNG_LANGUAGE = PersistentConfig(
+    "SEARXNG_LANGUAGE",
+    "rag.web.search.searxng_language",
+    os.getenv("SEARXNG_LANGUAGE", "all"),
+)
+
 YACY_QUERY_URL = PersistentConfig(
     "YACY_QUERY_URL",
     "rag.web.search.yacy_query_url",