From 2007815fa6b592984a64a6d3d978d41ae8f7347b Mon Sep 17 00:00:00 2001
From: dyphire <qimoge@gmail.com>
Date: Wed, 30 Jul 2025 22:15:37 +0800
Subject: Further refinement of BCP 47 language labeling support

---
 Jellyfin.Api/Controllers/LocalizationController.cs | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

(limited to 'Jellyfin.Api/Controllers/LocalizationController.cs')

diff --git a/Jellyfin.Api/Controllers/LocalizationController.cs b/Jellyfin.Api/Controllers/LocalizationController.cs
index bbce5a9e1..dd8f935dc 100644
--- a/Jellyfin.Api/Controllers/LocalizationController.cs
+++ b/Jellyfin.Api/Controllers/LocalizationController.cs
@@ -1,4 +1,6 @@
+using System;
 using System.Collections.Generic;
+using System.Linq;
 using MediaBrowser.Common.Api;
 using MediaBrowser.Model.Entities;
 using MediaBrowser.Model.Globalization;
@@ -34,7 +36,14 @@ public class LocalizationController : BaseJellyfinApiController
     [ProducesResponseType(StatusCodes.Status200OK)]
     public ActionResult<IEnumerable<CultureDto>> GetCultures()
     {
-        return Ok(_localization.GetCultures());
+        var allCultures = _localization.GetCultures();
+
+        var distinctCultures = allCultures
+            .DistinctBy(c => c.DisplayName, StringComparer.OrdinalIgnoreCase)
+            .OrderBy(c => c.DisplayName)
+            .AsEnumerable();
+
+        return Ok(distinctCultures);
     }
 
     /// <summary>
-- 
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