Mark plugin failure on DI Loop.

Emby.Server.Implementations/ApplicationHost.cs

@@ -406,6 +406,11 @@ namespace Emby.Server.Implementations
                     Logger.LogError("Called from: {stack}", entry.FullName);
                 }
 
+                if (type is IPlugin)
+                {
+                    _pluginManager.FailPlugin(type.Assembly);
+                }
+
                 throw new ExternalException("DI Loop detected.");
             }
 

Jellyfin.Api/Controllers/PackageController.cs

@@ -2,9 +2,7 @@ using System;
 using System.Collections.Generic;
 using System.ComponentModel.DataAnnotations;
 using System.Linq;
-using System.Net.Mime;
 using System.Threading.Tasks;
-using Jellyfin.Api.Attributes;
 using Jellyfin.Api.Constants;
 using MediaBrowser.Common.Json;
 using MediaBrowser.Common.Updates;
@@ -46,6 +44,7 @@ namespace Jellyfin.Api.Controllers
         /// <returns>A <see cref="PackageInfo"/> containing package information.</returns>
         [HttpGet("Packages/{name}")]
         [ProducesResponseType(StatusCodes.Status200OK)]
+        [Produces(JsonDefaults.CamelCaseMediaType)]
         public async Task<ActionResult<PackageInfo>> GetPackageInfo(
             [FromRoute, Required] string name,
             [FromQuery] Guid? assemblyGuid)
@@ -72,6 +71,7 @@ namespace Jellyfin.Api.Controllers
         /// <returns>An <see cref="PackageInfo"/> containing available packages information.</returns>
         [HttpGet("Packages")]
         [ProducesResponseType(StatusCodes.Status200OK)]
+        [Produces(JsonDefaults.CamelCaseMediaType)]
         public async Task<IEnumerable<PackageInfo>> GetPackages()
         {
             IEnumerable<PackageInfo> packages = await _installationManager.GetAvailablePackages().ConfigureAwait(false);
@@ -146,6 +146,7 @@ namespace Jellyfin.Api.Controllers
         /// <returns>An <see cref="OkResult"/> containing the list of package repositories.</returns>
         [HttpGet("Repositories")]
         [ProducesResponseType(StatusCodes.Status200OK)]
+        [Produces(JsonDefaults.CamelCaseMediaType)]
         public ActionResult<IEnumerable<RepositoryInfo>> GetRepositories()
         {
             return _serverConfigurationManager.Configuration.PluginRepositories;