From 94d53264111b2fee3824afeaa0eea69f6ecd7e83 Mon Sep 17 00:00:00 2001
From: 854562 <44002186+854562@users.noreply.github.com>
Date: Mon, 22 Jun 2026 20:25:13 +0200
Subject: Truncate ISO-639-2 language display names at first delimiter

Prevents raw ISO-639-2 values (e.g. "Greek, Modern (1453-)" from cluttering the audio and subtitle display names by truncating them at the first comma or semicolon ("Greek"). Applies to MediaStreamRepository and ProbeResultNormalizer.
---
 Jellyfin.Server.Implementations/Item/MediaStreamRepository.cs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'Jellyfin.Server.Implementations/Item/MediaStreamRepository.cs')

diff --git a/Jellyfin.Server.Implementations/Item/MediaStreamRepository.cs b/Jellyfin.Server.Implementations/Item/MediaStreamRepository.cs
index 7fa33c8639..b3c7fe131e 100644
--- a/Jellyfin.Server.Implementations/Item/MediaStreamRepository.cs
+++ b/Jellyfin.Server.Implementations/Item/MediaStreamRepository.cs
@@ -173,7 +173,10 @@ public class MediaStreamRepository : IMediaStreamRepository
             if (!string.IsNullOrEmpty(dto.Language))
             {
                 var culture = _localization.FindLanguageInfo(dto.Language);
-                dto.LocalizedLanguage = culture?.DisplayName;
+                // Truncate at the first delimiter to avoid cluttered display names
+                dto.LocalizedLanguage = culture?.DisplayName is { } name
+                    ? name.Split(';', ',')[0].Trim()
+                    : null;
             }
 
             if (dto.Type is MediaStreamType.Audio)
-- 
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