Access last element by index where possible

Emby.Dlna/Eventing/DlnaEventManager.cs

@@ -83,7 +83,7 @@ namespace Emby.Dlna.Eventing
             if (!string.IsNullOrEmpty(header))
             {
                 // Starts with SECOND-
-                header = header.Split('-').Last();
+                header = header.Split('-')[^1];
 
                 if (int.TryParse(header, NumberStyles.Integer, _usCulture, out var val))
                 {

Emby.Server.Implementations/LiveTv/TunerHosts/LiveStream.cs

@@ -182,7 +182,7 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
 
             if (string.IsNullOrEmpty(currentFile))
             {
-                return (files.Last(), true);
+                return (files[^1], true);
             }
 
             var nextIndex = files.FindIndex(i => string.Equals(i, currentFile, StringComparison.OrdinalIgnoreCase)) + 1;

Emby.Server.Implementations/LiveTv/TunerHosts/M3uParser.cs

@@ -163,7 +163,7 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
 
         private string GetChannelNumber(string extInf, Dictionary<string, string> attributes, string mediaUrl)
         {
-            var nameParts = extInf.Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
+            var nameParts = extInf.Split(',', StringSplitOptions.RemoveEmptyEntries);
             var nameInExtInf = nameParts.Length > 1 ? nameParts[^1].AsSpan().Trim() : ReadOnlySpan<char>.Empty;
 
             string numberString = null;
@@ -273,8 +273,8 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
 
         private static string GetChannelName(string extInf, Dictionary<string, string> attributes)
         {
-            var nameParts = extInf.Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
-            var nameInExtInf = nameParts.Length > 1 ? nameParts.Last().Trim() : null;
+            var nameParts = extInf.Split(',', StringSplitOptions.RemoveEmptyEntries);
+            var nameInExtInf = nameParts.Length > 1 ? nameParts[^1].Trim() : null;
 
             // Check for channel number with the format from SatIp
             // #EXTINF:0,84. VOX Schweiz

Jellyfin.Api/Controllers/RemoteImageController.cs

@@ -249,7 +249,7 @@ namespace Jellyfin.Api.Controllers
         {
             var httpClient = _httpClientFactory.CreateClient(NamedClient.Default);
             using var response = await httpClient.GetAsync(url).ConfigureAwait(false);
-            var ext = response.Content.Headers.ContentType.MediaType.Split('/').Last();
+            var ext = response.Content.Headers.ContentType.MediaType.Split('/')[^1];
             var fullCachePath = GetFullCachePath(urlHash + "." + ext);
 
             Directory.CreateDirectory(Path.GetDirectoryName(fullCachePath));

Jellyfin.Api/Helpers/StreamingHelpers.cs

@@ -84,7 +84,7 @@ namespace Jellyfin.Api.Helpers
 
             streamingRequest.StreamOptions = ParseStreamOptions(httpRequest.Query);
 
-            var url = httpRequest.Path.Value.Split('.').Last();
+            var url = httpRequest.Path.Value.Split('.')[^1];
 
             if (string.IsNullOrEmpty(streamingRequest.AudioCodec))
             {

MediaBrowser.Providers/Subtitles/SubtitleManager.cs

@@ -352,7 +352,7 @@ namespace MediaBrowser.Providers.Subtitles
             var parts = id.Split('_', 2);
 
             var provider = GetProvider(parts[0]);
-            id = parts[1];
+            id = parts[^1];
 
             return provider.GetSubtitles(id, cancellationToken);
         }