Bump version to 2.13.1

(cherry picked from commit 0ae07898ba6f85299e739d38ab1dd900c39e91d2)

azure-pipelines.yml

@@ -9,7 +9,7 @@ variables:
   testsFolder: './_tests'
   yarnCacheFolder: $(Pipeline.Workspace)/.yarn
   nugetCacheFolder: $(Pipeline.Workspace)/.nuget/packages
-  majorVersion: '2.12.4'
+  majorVersion: '2.13.1'
   minorVersion: $[counter('minorVersion', 1076)]
   lidarrVersion: '$(majorVersion).$(minorVersion)'
   buildName: '$(Build.SourceBranchName).$(lidarrVersion)'

frontend/src/Settings/MediaManagement/RootFolder/RootFolder.js

@@ -94,9 +94,9 @@ class RootFolder extends Component {
         <ConfirmModal
           isOpen={this.state.isDeleteRootFolderModalOpen}
           kind={kinds.DANGER}
-          title={translate('DeleteRootFolder')}
-          message={translate('DeleteRootFolderMessageText', { name })}
-          confirmLabel={translate('Delete')}
+          title={translate('RemoveRootFolder')}
+          message={translate('RemoveRootFolderArtistsMessageText', { name })}
+          confirmLabel={translate('Remove')}
           onConfirm={this.onConfirmDeleteRootFolder}
           onCancel={this.onDeleteRootFolderModalClose}
         />

frontend/src/Settings/Quality/Definition/QualityDefinition.css

@@ -24,19 +24,19 @@
   height: 20px;
 }
 
-.bar {
+.track {
   top: 9px;
   margin: 0 5px;
   height: 3px;
   background-color: var(--sliderAccentColor);
   box-shadow: 0 0 0 #000;
 
-  &:nth-child(3n+1) {
+  &:nth-child(3n + 1) {
     background-color: #ddd;
   }
 }
 
-.handle {
+.thumb {
   top: 1px;
   z-index: 0 !important;
   width: 18px;

frontend/src/Settings/Quality/Definition/QualityDefinition.css.d.ts

@@ -1,8 +1,6 @@
 // This file is automatically generated.
 // Please do not change this file!
 interface CssExports {
-  'bar': string;
-  'handle': string;
   'kilobitsPerSecond': string;
   'quality': string;
   'qualityDefinition': string;
@@ -10,7 +8,9 @@ interface CssExports {
   'sizeLimit': string;
   'sizes': string;
   'slider': string;
+  'thumb': string;
   'title': string;
+  'track': string;
 }
 export const cssExports: CssExports;
 export default cssExports;

frontend/src/Settings/Quality/Definition/QualityDefinition.js

@@ -55,6 +55,27 @@ class QualityDefinition extends Component {
     };
   }
 
+  //
+  // Control
+
+  trackRenderer(props, state) {
+    return (
+      <div
+        {...props}
+        className={styles.track}
+      />
+    );
+  }
+
+  thumbRenderer(props, state) {
+    return (
+      <div
+        {...props}
+        className={styles.thumb}
+      />
+    );
+  }
+
   //
   // Listeners
 
@@ -174,6 +195,7 @@ class QualityDefinition extends Component {
 
         <div className={styles.sizeLimit}>
           <ReactSlider
+            className={styles.slider}
             min={slider.min}
             max={slider.max}
             step={slider.step}
@@ -182,9 +204,9 @@ class QualityDefinition extends Component {
             withTracks={true}
             allowCross={false}
             snapDragDisabled={true}
-            className={styles.slider}
-            trackClassName={styles.bar}
-            thumbClassName={styles.handle}
+            pearling={true}
+            renderThumb={this.thumbRenderer}
+            renderTrack={this.trackRenderer}
             onChange={this.onSliderChange}
             onAfterChange={this.onAfterSliderChange}
           />

frontend/src/System/Logs/Files/LogFiles.js

@@ -1,8 +1,8 @@
 import PropTypes from 'prop-types';
 import React, { Component } from 'react';
 import Alert from 'Components/Alert';
-import Link from 'Components/Link/Link';
 import LoadingIndicator from 'Components/Loading/LoadingIndicator';
+import InlineMarkdown from 'Components/Markdown/InlineMarkdown';
 import PageContent from 'Components/Page/PageContent';
 import PageContentBody from 'Components/Page/PageContentBody';
 import PageToolbar from 'Components/Page/Toolbar/PageToolbar';
@@ -77,15 +77,16 @@ class LogFiles extends Component {
         <PageContentBody>
           <Alert>
             <div>
-              Log files are located in: {location}
+              {translate('LogFilesLocation', {
+                location
+              })}
             </div>
 
-            {
-              currentLogView === 'Log Files' &&
+            {currentLogView === 'Log Files' ? (
               <div>
-                  The log level defaults to 'Info' and can be changed in <Link to="/settings/general">General Settings</Link>
+                <InlineMarkdown data={translate('TheLogLevelDefault')} />
               </div>
-            }
+            ) : null}
           </Alert>
 
           {

frontend/src/System/Updates/Updates.tsx

@@ -270,7 +270,7 @@ function Updates() {
 
         {generalSettingsError ? (
           <Alert kind={kinds.DANGER}>
-            {translate('FailedToUpdateSettings')}
+            {translate('FailedToFetchSettings')}
           </Alert>
         ) : null}
 

src/Lidarr.Api.V1/RemotePathMappings/RemotePathMappingController.cs

@@ -4,6 +4,7 @@ using Lidarr.Http;
 using Lidarr.Http.REST;
 using Lidarr.Http.REST.Attributes;
 using Microsoft.AspNetCore.Mvc;
+using NzbDrone.Common.Extensions;
 using NzbDrone.Core.RemotePathMappings;
 using NzbDrone.Core.Validation.Paths;
 
@@ -27,6 +28,14 @@ namespace Lidarr.Api.V1.RemotePathMappings
             SharedValidator.RuleFor(c => c.RemotePath)
                 .NotEmpty();
 
+            SharedValidator.RuleFor(c => c.RemotePath)
+                .Must(remotePath => remotePath.IsNotNullOrWhiteSpace() && !remotePath.StartsWith(" "))
+                .WithMessage("Remote Path '{PropertyValue}' must not start with a space");
+
+            SharedValidator.RuleFor(c => c.RemotePath)
+                .Must(remotePath => remotePath.IsNotNullOrWhiteSpace() && !remotePath.EndsWith(" "))
+                .WithMessage("Remote Path '{PropertyValue}' must not end with a space");
+
             SharedValidator.RuleFor(c => c.LocalPath)
                 .Cascade(CascadeMode.Stop)
                 .IsValidPath()

src/Lidarr.Api.V1/System/Backup/BackupController.cs

@@ -92,7 +92,7 @@ namespace Lidarr.Api.V1.System.Backup
         }
 
         [HttpPost("restore/upload")]
-        [RequestFormLimits(MultipartBodyLengthLimit = 1000000000)]
+        [RequestFormLimits(MultipartBodyLengthLimit = 5000000000)]
         public object UploadAndRestore()
         {
             var files = Request.Form.Files;

src/NzbDrone.Automation.Test/AutomationTest.cs

@@ -40,15 +40,16 @@ namespace NzbDrone.Automation.Test
             var service = ChromeDriverService.CreateDefaultService();
 
             // Timeout as windows automation tests seem to take alot longer to get going
-            driver = new ChromeDriver(service, options, new TimeSpan(0, 3, 0));
+            driver = new ChromeDriver(service, options, TimeSpan.FromMinutes(3));
 
             driver.Manage().Window.Size = new System.Drawing.Size(1920, 1080);
+            driver.Manage().Window.FullScreen();
 
             _runner = new NzbDroneRunner(LogManager.GetCurrentClassLogger(), null);
             _runner.KillAll();
             _runner.Start(true);
 
-            driver.Url = "http://localhost:8686";
+            driver.Navigate().GoToUrl("http://localhost:8686");
 
             var page = new PageBase(driver);
             page.WaitForNoSpinner();
@@ -68,7 +69,7 @@ namespace NzbDrone.Automation.Test
         {
             try
             {
-                var image = ((ITakesScreenshot)driver).GetScreenshot();
+                var image = (driver as ITakesScreenshot).GetScreenshot();
                 image.SaveAsFile($"./{name}_test_screenshot.png", ScreenshotImageFormat.Png);
             }
             catch (Exception ex)

src/NzbDrone.Automation.Test/PageModel/PageBase.cs

@@ -1,19 +1,17 @@
 using System;
 using System.Threading;
 using OpenQA.Selenium;
-using OpenQA.Selenium.Remote;
 using OpenQA.Selenium.Support.UI;
 
 namespace NzbDrone.Automation.Test.PageModel
 {
     public class PageBase
     {
-        private readonly RemoteWebDriver _driver;
+        private readonly IWebDriver _driver;
 
-        public PageBase(RemoteWebDriver driver)
+        public PageBase(IWebDriver driver)
         {
             _driver = driver;
-            driver.Manage().Window.Maximize();
         }
 
         public IWebElement FindByClass(string className, int timeout = 5)

src/NzbDrone.Common/Http/Dispatchers/ManagedHttpDispatcher.cs

@@ -141,7 +141,7 @@ namespace NzbDrone.Common.Http.Dispatchers
             }
             catch (OperationCanceledException ex) when (cts.IsCancellationRequested)
             {
-                throw new WebException("Http request timed out", ex.InnerException, WebExceptionStatus.Timeout, null);
+                throw new WebException("Http request timed out", ex, WebExceptionStatus.Timeout, null);
             }
         }
 

src/NzbDrone.Core.Test/DiskSpace/DiskSpaceServiceFixture.cs

@@ -103,6 +103,7 @@ namespace NzbDrone.Core.Test.DiskSpace
         [TestCase("/var/lib/docker")]
         [TestCase("/some/place/docker/aufs")]
         [TestCase("/etc/network")]
+        [TestCase("/Volumes/.timemachine/ABC123456-A1BC-12A3B45678C9/2025-05-13-181401.backup")]
         public void should_not_check_diskspace_for_irrelevant_mounts(string path)
         {
             var mount = new Mock<IMount>();

src/NzbDrone.Core/CustomFormats/Specifications/SizeSpecification.cs

@@ -11,6 +11,7 @@ namespace NzbDrone.Core.CustomFormats
         {
             RuleFor(c => c.Min).GreaterThanOrEqualTo(0);
             RuleFor(c => c.Max).GreaterThan(c => c.Min);
+            RuleFor(c => c.Max).LessThanOrEqualTo(double.MaxValue);
         }
     }
 

src/NzbDrone.Core/DiskSpace/DiskSpaceService.cs

@@ -21,7 +21,7 @@ namespace NzbDrone.Core.DiskSpace
         private readonly IRootFolderService _rootFolderService;
         private readonly Logger _logger;
 
-        private static readonly Regex _regexSpecialDrive = new Regex("^/var/lib/(docker|rancher|kubelet)(/|$)|^/(boot|etc)(/|$)|/docker(/var)?/aufs(/|$)", RegexOptions.Compiled);
+        private static readonly Regex _regexSpecialDrive = new Regex(@"^/var/lib/(docker|rancher|kubelet)(/|$)|^/(boot|etc)(/|$)|/docker(/var)?/aufs(/|$)|/\.timemachine", RegexOptions.Compiled);
 
         public DiskSpaceService(IDiskProvider diskProvider,
                                 IRootFolderService rootFolderService,
@@ -38,7 +38,10 @@ namespace NzbDrone.Core.DiskSpace
 
             var optionalRootFolders = GetFixedDisksRootPaths().Except(importantRootFolders).Distinct().ToList();
 
-            var diskSpace = GetDiskSpace(importantRootFolders).Concat(GetDiskSpace(optionalRootFolders, true)).ToList();
+            var diskSpace = GetDiskSpace(importantRootFolders)
+                .Concat(GetDiskSpace(optionalRootFolders, true))
+                .OrderBy(d => d.Path, StringComparer.OrdinalIgnoreCase)
+                .ToList();
 
             return diskSpace;
         }
@@ -54,7 +57,7 @@ namespace NzbDrone.Core.DiskSpace
         private IEnumerable<string> GetFixedDisksRootPaths()
         {
             return _diskProvider.GetMounts()
-                .Where(d => d.DriveType == DriveType.Fixed)
+                .Where(d => d.DriveType is DriveType.Fixed or DriveType.Network)
                 .Where(d => !_regexSpecialDrive.IsMatch(d.RootDirectory))
                 .Select(d => d.RootDirectory);
         }

src/NzbDrone.Core/Download/Clients/Aria2/Aria2.cs

@@ -9,6 +9,7 @@ using NzbDrone.Common.Extensions;
 using NzbDrone.Common.Http;
 using NzbDrone.Core.Blocklisting;
 using NzbDrone.Core.Configuration;
+using NzbDrone.Core.Localization;
 using NzbDrone.Core.MediaFiles.TorrentInfo;
 using NzbDrone.Core.Parser.Model;
 using NzbDrone.Core.RemotePathMappings;
@@ -28,9 +29,10 @@ namespace NzbDrone.Core.Download.Clients.Aria2
                         IConfigService configService,
                         IDiskProvider diskProvider,
                         IRemotePathMappingService remotePathMappingService,
+                        ILocalizationService localizationService,
                         IBlocklistService blocklistService,
                         Logger logger)
-            : base(torrentFileInfoReader, httpClient, configService, diskProvider, remotePathMappingService, blocklistService, logger)
+            : base(torrentFileInfoReader, httpClient, configService, diskProvider, remotePathMappingService, localizationService, blocklistService, logger)
         {
             _proxy = proxy;
         }

src/NzbDrone.Core/Download/Clients/Blackhole/TorrentBlackhole.cs

@@ -9,6 +9,7 @@ using NzbDrone.Common.Extensions;
 using NzbDrone.Common.Http;
 using NzbDrone.Core.Blocklisting;
 using NzbDrone.Core.Configuration;
+using NzbDrone.Core.Localization;
 using NzbDrone.Core.MediaFiles.TorrentInfo;
 using NzbDrone.Core.Organizer;
 using NzbDrone.Core.Parser.Model;
@@ -30,9 +31,10 @@ namespace NzbDrone.Core.Download.Clients.Blackhole
                                 IConfigService configService,
                                 IDiskProvider diskProvider,
                                 IRemotePathMappingService remotePathMappingService,
+                                ILocalizationService localizationService,
                                 IBlocklistService blocklistService,
                                 Logger logger)
-            : base(torrentFileInfoReader, httpClient, configService, diskProvider, remotePathMappingService, blocklistService, logger)
+            : base(torrentFileInfoReader, httpClient, configService, diskProvider, remotePathMappingService, localizationService, blocklistService, logger)
         {
             _scanWatchFolder = scanWatchFolder;
 

src/NzbDrone.Core/Download/Clients/Blackhole/UsenetBlackhole.cs

@@ -7,6 +7,7 @@ using NzbDrone.Common.Disk;
 using NzbDrone.Common.Extensions;
 using NzbDrone.Common.Http;
 using NzbDrone.Core.Configuration;
+using NzbDrone.Core.Localization;
 using NzbDrone.Core.Organizer;
 using NzbDrone.Core.Parser.Model;
 using NzbDrone.Core.RemotePathMappings;
@@ -25,8 +26,9 @@ namespace NzbDrone.Core.Download.Clients.Blackhole
                                IDiskProvider diskProvider,
                                IRemotePathMappingService remotePathMappingService,
                                IValidateNzbs nzbValidationService,
+                               ILocalizationService localizationService,
                                Logger logger)
-            : base(httpClient, configService, diskProvider, remotePathMappingService, nzbValidationService, logger)
+            : base(httpClient, configService, diskProvider, remotePathMappingService, nzbValidationService, localizationService, logger)
         {
             _scanWatchFolder = scanWatchFolder;
 

src/NzbDrone.Core/Download/Clients/Deluge/Deluge.cs

@@ -9,6 +9,7 @@ using NzbDrone.Common.Extensions;
 using NzbDrone.Common.Http;
 using NzbDrone.Core.Blocklisting;
 using NzbDrone.Core.Configuration;
+using NzbDrone.Core.Localization;
 using NzbDrone.Core.MediaFiles.TorrentInfo;
 using NzbDrone.Core.Parser.Model;
 using NzbDrone.Core.RemotePathMappings;
@@ -27,9 +28,10 @@ namespace NzbDrone.Core.Download.Clients.Deluge
                       IConfigService configService,
                       IDiskProvider diskProvider,
                       IRemotePathMappingService remotePathMappingService,
+                      ILocalizationService localizationService,
                       IBlocklistService blocklistService,
                       Logger logger)
-            : base(torrentFileInfoReader, httpClient, configService, diskProvider, remotePathMappingService, blocklistService, logger)
+            : base(torrentFileInfoReader, httpClient, configService, diskProvider, remotePathMappingService, localizationService, blocklistService, logger)
         {
             _proxy = proxy;
         }

src/NzbDrone.Core/Download/Clients/DownloadStation/TorrentDownloadStation.cs

@@ -11,6 +11,7 @@ using NzbDrone.Common.Http;
 using NzbDrone.Core.Blocklisting;
 using NzbDrone.Core.Configuration;
 using NzbDrone.Core.Download.Clients.DownloadStation.Proxies;
+using NzbDrone.Core.Localization;
 using NzbDrone.Core.MediaFiles.TorrentInfo;
 using NzbDrone.Core.Parser.Model;
 using NzbDrone.Core.RemotePathMappings;
@@ -37,9 +38,10 @@ namespace NzbDrone.Core.Download.Clients.DownloadStation
                                       IConfigService configService,
                                       IDiskProvider diskProvider,
                                       IRemotePathMappingService remotePathMappingService,
+                                      ILocalizationService localizationService,
                                       IBlocklistService blocklistService,
                                       Logger logger)
-            : base(torrentFileInfoReader, httpClient, configService, diskProvider, remotePathMappingService, blocklistService, logger)
+            : base(torrentFileInfoReader, httpClient, configService, diskProvider, remotePathMappingService, localizationService, blocklistService, logger)
         {
             _dsInfoProxy = dsInfoProxy;
             _dsTaskProxySelector = dsTaskProxySelector;

src/NzbDrone.Core/Download/Clients/DownloadStation/UsenetDownloadStation.cs

@@ -9,6 +9,7 @@ using NzbDrone.Common.Extensions;
 using NzbDrone.Common.Http;
 using NzbDrone.Core.Configuration;
 using NzbDrone.Core.Download.Clients.DownloadStation.Proxies;
+using NzbDrone.Core.Localization;
 using NzbDrone.Core.Parser.Model;
 using NzbDrone.Core.RemotePathMappings;
 using NzbDrone.Core.ThingiProvider;
@@ -34,8 +35,9 @@ namespace NzbDrone.Core.Download.Clients.DownloadStation
                                      IDiskProvider diskProvider,
                                      IRemotePathMappingService remotePathMappingService,
                                      IValidateNzbs nzbValidationService,
+                                     ILocalizationService localizationService,
                                      Logger logger)
-            : base(httpClient, configService, diskProvider, remotePathMappingService, nzbValidationService, logger)
+            : base(httpClient, configService, diskProvider, remotePathMappingService, nzbValidationService, localizationService, logger)
         {
             _dsInfoProxy = dsInfoProxy;
             _dsTaskProxySelector = dsTaskProxySelector;

src/NzbDrone.Core/Download/Clients/Flood/Flood.cs

@@ -9,6 +9,7 @@ using NzbDrone.Common.Http;
 using NzbDrone.Core.Blocklisting;
 using NzbDrone.Core.Configuration;
 using NzbDrone.Core.Download.Clients.Flood.Models;
+using NzbDrone.Core.Localization;
 using NzbDrone.Core.MediaFiles.TorrentInfo;
 using NzbDrone.Core.Parser.Model;
 using NzbDrone.Core.RemotePathMappings;
@@ -28,9 +29,10 @@ namespace NzbDrone.Core.Download.Clients.Flood
                         IConfigService configService,
                         IDiskProvider diskProvider,
                         IRemotePathMappingService remotePathMappingService,
+                        ILocalizationService localizationService,
                         IBlocklistService blocklistService,
                         Logger logger)
-            : base(torrentFileInfoReader, httpClient, configService, diskProvider, remotePathMappingService, blocklistService, logger)
+            : base(torrentFileInfoReader, httpClient, configService, diskProvider, remotePathMappingService, localizationService, blocklistService, logger)
         {
             _proxy = proxy;
             _downloadSeedConfigProvider = downloadSeedConfigProvider;

src/NzbDrone.Core/Download/Clients/FreeboxDownload/TorrentFreeboxDownload.cs

@@ -9,6 +9,7 @@ using NzbDrone.Common.Http;
 using NzbDrone.Core.Blocklisting;
 using NzbDrone.Core.Configuration;
 using NzbDrone.Core.Download.Clients.FreeboxDownload.Responses;
+using NzbDrone.Core.Localization;
 using NzbDrone.Core.MediaFiles.TorrentInfo;
 using NzbDrone.Core.Parser.Model;
 using NzbDrone.Core.RemotePathMappings;
@@ -25,9 +26,10 @@ namespace NzbDrone.Core.Download.Clients.FreeboxDownload
             IConfigService configService,
             IDiskProvider diskProvider,
             IRemotePathMappingService remotePathMappingService,
+            ILocalizationService localizationService,
             IBlocklistService blocklistService,
             Logger logger)
-            : base(torrentFileInfoReader, httpClient, configService, diskProvider, remotePathMappingService, blocklistService, logger)
+            : base(torrentFileInfoReader, httpClient, configService, diskProvider, remotePathMappingService, localizationService, blocklistService, logger)
         {
             _proxy = proxy;
         }

src/NzbDrone.Core/Download/Clients/Hadouken/Hadouken.cs

@@ -8,6 +8,7 @@ using NzbDrone.Common.Http;
 using NzbDrone.Core.Blocklisting;
 using NzbDrone.Core.Configuration;
 using NzbDrone.Core.Download.Clients.Hadouken.Models;
+using NzbDrone.Core.Localization;
 using NzbDrone.Core.MediaFiles.TorrentInfo;
 using NzbDrone.Core.Parser.Model;
 using NzbDrone.Core.RemotePathMappings;
@@ -25,9 +26,10 @@ namespace NzbDrone.Core.Download.Clients.Hadouken
                         IConfigService configService,
                         IDiskProvider diskProvider,
                         IRemotePathMappingService remotePathMappingService,
+                        ILocalizationService localizationService,
                         IBlocklistService blocklistService,
                         Logger logger)
-            : base(torrentFileInfoReader, httpClient, configService, diskProvider, remotePathMappingService, blocklistService, logger)
+            : base(torrentFileInfoReader, httpClient, configService, diskProvider, remotePathMappingService, localizationService, blocklistService, logger)
         {
             _proxy = proxy;
         }

src/NzbDrone.Core/Download/Clients/NzbVortex/NzbVortex.cs

@@ -8,6 +8,7 @@ using NzbDrone.Common.Disk;
 using NzbDrone.Common.Extensions;
 using NzbDrone.Common.Http;
 using NzbDrone.Core.Configuration;
+using NzbDrone.Core.Localization;
 using NzbDrone.Core.Parser.Model;
 using NzbDrone.Core.RemotePathMappings;
 using NzbDrone.Core.Validation;
@@ -24,8 +25,9 @@ namespace NzbDrone.Core.Download.Clients.NzbVortex
                        IDiskProvider diskProvider,
                        IRemotePathMappingService remotePathMappingService,
                        IValidateNzbs nzbValidationService,
+                       ILocalizationService localizationService,
                        Logger logger)
-            : base(httpClient, configService, diskProvider, remotePathMappingService, nzbValidationService, logger)
+            : base(httpClient, configService, diskProvider, remotePathMappingService, nzbValidationService, localizationService, logger)
         {
             _proxy = proxy;
         }

src/NzbDrone.Core/Download/Clients/Nzbget/Nzbget.cs

@@ -10,6 +10,7 @@ using NzbDrone.Common.Extensions;
 using NzbDrone.Common.Http;
 using NzbDrone.Core.Configuration;
 using NzbDrone.Core.Exceptions;
+using NzbDrone.Core.Localization;
 using NzbDrone.Core.Parser.Model;
 using NzbDrone.Core.RemotePathMappings;
 using NzbDrone.Core.Validation;
@@ -28,8 +29,9 @@ namespace NzbDrone.Core.Download.Clients.Nzbget
                       IDiskProvider diskProvider,
                       IRemotePathMappingService remotePathMappingService,
                       IValidateNzbs nzbValidationService,
+                      ILocalizationService localizationService,
                       Logger logger)
-            : base(httpClient, configService, diskProvider, remotePathMappingService, nzbValidationService, logger)
+            : base(httpClient, configService, diskProvider, remotePathMappingService, nzbValidationService, localizationService, logger)
         {
             _proxy = proxy;
         }

src/NzbDrone.Core/Download/Clients/Pneumatic/Pneumatic.cs

@@ -9,6 +9,7 @@ using NzbDrone.Common.Extensions;
 using NzbDrone.Common.Http;
 using NzbDrone.Core.Configuration;
 using NzbDrone.Core.Indexers;
+using NzbDrone.Core.Localization;
 using NzbDrone.Core.Organizer;
 using NzbDrone.Core.Parser.Model;
 using NzbDrone.Core.RemotePathMappings;
@@ -23,8 +24,9 @@ namespace NzbDrone.Core.Download.Clients.Pneumatic
                          IConfigService configService,
                          IDiskProvider diskProvider,
                          IRemotePathMappingService remotePathMappingService,
+                         ILocalizationService localizationService,
                          Logger logger)
-            : base(configService, diskProvider, remotePathMappingService, logger)
+            : base(configService, diskProvider, remotePathMappingService, localizationService, logger)
         {
             _httpClient = httpClient;
         }

src/NzbDrone.Core/Download/Clients/QBittorrent/QBittorrent.cs

@@ -10,6 +10,7 @@ using NzbDrone.Common.Extensions;
 using NzbDrone.Common.Http;
 using NzbDrone.Core.Blocklisting;
 using NzbDrone.Core.Configuration;
+using NzbDrone.Core.Localization;
 using NzbDrone.Core.MediaFiles.TorrentInfo;
 using NzbDrone.Core.Parser.Model;
 using NzbDrone.Core.RemotePathMappings;
@@ -35,9 +36,10 @@ namespace NzbDrone.Core.Download.Clients.QBittorrent
                            IDiskProvider diskProvider,
                            IRemotePathMappingService remotePathMappingService,
                            ICacheManager cacheManager,
+                           ILocalizationService localizationService,
                            IBlocklistService blocklistService,
                            Logger logger)
-            : base(torrentFileInfoReader, httpClient, configService, diskProvider, remotePathMappingService, blocklistService, logger)
+            : base(torrentFileInfoReader, httpClient, configService, diskProvider, remotePathMappingService, localizationService, blocklistService, logger)
         {
             _proxySelector = proxySelector;
 

src/NzbDrone.Core/Download/Clients/Sabnzbd/Sabnzbd.cs

@@ -10,6 +10,7 @@ using NzbDrone.Common.Extensions;
 using NzbDrone.Common.Http;
 using NzbDrone.Core.Configuration;
 using NzbDrone.Core.Exceptions;
+using NzbDrone.Core.Localization;
 using NzbDrone.Core.Parser.Model;
 using NzbDrone.Core.RemotePathMappings;
 using NzbDrone.Core.Validation;
@@ -26,8 +27,9 @@ namespace NzbDrone.Core.Download.Clients.Sabnzbd
                        IDiskProvider diskProvider,
                        IRemotePathMappingService remotePathMappingService,
                        IValidateNzbs nzbValidationService,
+                       ILocalizationService localizationService,
                        Logger logger)
-            : base(httpClient, configService, diskProvider, remotePathMappingService, nzbValidationService, logger)
+            : base(httpClient, configService, diskProvider, remotePathMappingService, nzbValidationService, localizationService, logger)
         {
             _proxy = proxy;
         }

src/NzbDrone.Core/Download/Clients/Transmission/Transmission.cs

@@ -8,6 +8,7 @@ using NzbDrone.Common.Extensions;
 using NzbDrone.Common.Http;
 using NzbDrone.Core.Blocklisting;
 using NzbDrone.Core.Configuration;
+using NzbDrone.Core.Localization;
 using NzbDrone.Core.MediaFiles.TorrentInfo;
 using NzbDrone.Core.RemotePathMappings;
 
@@ -24,9 +25,10 @@ namespace NzbDrone.Core.Download.Clients.Transmission
                             IConfigService configService,
                             IDiskProvider diskProvider,
                             IRemotePathMappingService remotePathMappingService,
+                            ILocalizationService localizationService,
                             IBlocklistService blocklistService,
                             Logger logger)
-            : base(proxy, torrentFileInfoReader, httpClient, configService, diskProvider, remotePathMappingService, blocklistService, logger)
+            : base(proxy, torrentFileInfoReader, httpClient, configService, diskProvider, remotePathMappingService, localizationService, blocklistService, logger)
         {
         }
 

src/NzbDrone.Core/Download/Clients/Transmission/TransmissionBase.cs

@@ -9,6 +9,7 @@ using NzbDrone.Common.Extensions;
 using NzbDrone.Common.Http;
 using NzbDrone.Core.Blocklisting;
 using NzbDrone.Core.Configuration;
+using NzbDrone.Core.Localization;
 using NzbDrone.Core.MediaFiles.TorrentInfo;
 using NzbDrone.Core.Parser.Model;
 using NzbDrone.Core.RemotePathMappings;
@@ -28,9 +29,10 @@ namespace NzbDrone.Core.Download.Clients.Transmission
             IConfigService configService,
             IDiskProvider diskProvider,
             IRemotePathMappingService remotePathMappingService,
+            ILocalizationService localizationService,
             IBlocklistService blocklistService,
             Logger logger)
-            : base(torrentFileInfoReader, httpClient, configService, diskProvider, remotePathMappingService, blocklistService, logger)
+            : base(torrentFileInfoReader, httpClient, configService, diskProvider, remotePathMappingService, localizationService, blocklistService, logger)
         {
             _proxy = proxy;
         }
@@ -101,7 +103,11 @@ namespace NzbDrone.Core.Download.Clients.Transmission
                 if (!torrent.ErrorString.IsNullOrWhiteSpace())
                 {
                     item.Status = DownloadItemStatus.Warning;
-                    item.Message = torrent.ErrorString;
+                    item.Message = _localizationService.GetLocalizedString("DownloadClientItemErrorMessage", new Dictionary<string, object>
+                    {
+                        { "clientName", Name },
+                        { "message", torrent.ErrorString }
+                    });
                 }
                 else if (torrent.TotalSize == 0)
                 {

src/NzbDrone.Core/Download/Clients/Vuze/Vuze.cs

@@ -5,6 +5,7 @@ using NzbDrone.Common.Http;
 using NzbDrone.Core.Blocklisting;
 using NzbDrone.Core.Configuration;
 using NzbDrone.Core.Download.Clients.Transmission;
+using NzbDrone.Core.Localization;
 using NzbDrone.Core.MediaFiles.TorrentInfo;
 using NzbDrone.Core.RemotePathMappings;
 
@@ -23,9 +24,10 @@ namespace NzbDrone.Core.Download.Clients.Vuze
                     IConfigService configService,
                     IDiskProvider diskProvider,
                     IRemotePathMappingService remotePathMappingService,
+                    ILocalizationService localizationService,
                     IBlocklistService blocklistService,
                     Logger logger)
-            : base(proxy, torrentFileInfoReader, httpClient, configService, diskProvider, remotePathMappingService, blocklistService, logger)
+            : base(proxy, torrentFileInfoReader, httpClient, configService, diskProvider, remotePathMappingService, localizationService, blocklistService, logger)
         {
         }
 

src/NzbDrone.Core/Download/Clients/rTorrent/RTorrent.cs

@@ -12,6 +12,7 @@ using NzbDrone.Core.Blocklisting;
 using NzbDrone.Core.Configuration;
 using NzbDrone.Core.Download.Clients.rTorrent;
 using NzbDrone.Core.Exceptions;
+using NzbDrone.Core.Localization;
 using NzbDrone.Core.MediaFiles.TorrentInfo;
 using NzbDrone.Core.Parser.Model;
 using NzbDrone.Core.RemotePathMappings;
@@ -35,9 +36,10 @@ namespace NzbDrone.Core.Download.Clients.RTorrent
                         IRemotePathMappingService remotePathMappingService,
                         IDownloadSeedConfigProvider downloadSeedConfigProvider,
                         IRTorrentDirectoryValidator rTorrentDirectoryValidator,
+                        ILocalizationService localizationService,
                         IBlocklistService blocklistService,
                         Logger logger)
-            : base(torrentFileInfoReader, httpClient, configService, diskProvider, remotePathMappingService, blocklistService, logger)
+            : base(torrentFileInfoReader, httpClient, configService, diskProvider, remotePathMappingService, localizationService, blocklistService, logger)
         {
             _proxy = proxy;
             _rTorrentDirectoryValidator = rTorrentDirectoryValidator;

src/NzbDrone.Core/Download/Clients/uTorrent/UTorrent.cs

@@ -10,6 +10,7 @@ using NzbDrone.Common.Extensions;
 using NzbDrone.Common.Http;
 using NzbDrone.Core.Blocklisting;
 using NzbDrone.Core.Configuration;
+using NzbDrone.Core.Localization;
 using NzbDrone.Core.MediaFiles.TorrentInfo;
 using NzbDrone.Core.Parser.Model;
 using NzbDrone.Core.RemotePathMappings;
@@ -29,9 +30,10 @@ namespace NzbDrone.Core.Download.Clients.UTorrent
                         IConfigService configService,
                         IDiskProvider diskProvider,
                         IRemotePathMappingService remotePathMappingService,
+                        ILocalizationService localizationService,
                         IBlocklistService blocklistService,
                         Logger logger)
-            : base(torrentFileInfoReader, httpClient, configService, diskProvider, remotePathMappingService, blocklistService, logger)
+            : base(torrentFileInfoReader, httpClient, configService, diskProvider, remotePathMappingService, localizationService, blocklistService, logger)
         {
             _proxy = proxy;
 

src/NzbDrone.Core/Download/DownloadClientBase.cs

@@ -8,6 +8,7 @@ using NzbDrone.Common.Disk;
 using NzbDrone.Common.Http;
 using NzbDrone.Core.Configuration;
 using NzbDrone.Core.Indexers;
+using NzbDrone.Core.Localization;
 using NzbDrone.Core.Parser.Model;
 using NzbDrone.Core.RemotePathMappings;
 using NzbDrone.Core.ThingiProvider;
@@ -23,6 +24,7 @@ namespace NzbDrone.Core.Download
         protected readonly IConfigService _configService;
         protected readonly IDiskProvider _diskProvider;
         protected readonly IRemotePathMappingService _remotePathMappingService;
+        protected readonly ILocalizationService _localizationService;
         protected readonly Logger _logger;
 
         protected ResiliencePipeline<HttpResponse> RetryStrategy => new ResiliencePipelineBuilder<HttpResponse>()
@@ -77,11 +79,13 @@ namespace NzbDrone.Core.Download
         protected DownloadClientBase(IConfigService configService,
             IDiskProvider diskProvider,
             IRemotePathMappingService remotePathMappingService,
+            ILocalizationService localizationService,
             Logger logger)
         {
             _configService = configService;
             _diskProvider = diskProvider;
             _remotePathMappingService = remotePathMappingService;
+            _localizationService = localizationService;
             _logger = logger;
         }
 

src/NzbDrone.Core/Download/NzbValidationService.cs

@@ -1,3 +1,4 @@
+using System;
 using System.IO;
 using System.Linq;
 using System.Xml;
@@ -14,10 +15,13 @@ namespace NzbDrone.Core.Download
     public class NzbValidationService : IValidateNzbs
     {
         public void Validate(string filename, byte[] fileContent)
+        {
+            try
             {
                 var reader = new StreamReader(new MemoryStream(fileContent));
 
-            using (var xmlTextReader = XmlReader.Create(reader, new XmlReaderSettings { DtdProcessing = DtdProcessing.Ignore, IgnoreComments = true }))
+                using (var xmlTextReader = XmlReader.Create(reader,
+                           new XmlReaderSettings { DtdProcessing = DtdProcessing.Ignore, IgnoreComments = true }))
                 {
                     var xDoc = XDocument.Load(xmlTextReader);
                     var nzb = xDoc.Root;
@@ -37,7 +41,8 @@ namespace NzbDrone.Core.Download
 
                     if (!nzb.Name.LocalName.Equals("nzb"))
                     {
-                    throw new InvalidNzbException("Invalid NZB: Unexpected root element. Expected 'nzb' found '{0}' [{1}]", nzb.Name.LocalName, filename);
+                        throw new InvalidNzbException(
+                            "Invalid NZB: Unexpected root element. Expected 'nzb' found '{0}' [{1}]", nzb.Name.LocalName, filename);
                     }
 
                     var ns = nzb.Name.Namespace;
@@ -49,5 +54,15 @@ namespace NzbDrone.Core.Download
                     }
                 }
             }
+            catch (InvalidNzbException)
+            {
+                // Throw the original exception
+                throw;
+            }
+            catch (Exception ex)
+            {
+                throw new InvalidNzbException("Invalid NZB: Unable to parse [{0}]", ex, filename);
+            }
+        }
     }
 }

src/NzbDrone.Core/Download/TorrentClientBase.cs

@@ -10,6 +10,7 @@ using NzbDrone.Core.Blocklisting;
 using NzbDrone.Core.Configuration;
 using NzbDrone.Core.Exceptions;
 using NzbDrone.Core.Indexers;
+using NzbDrone.Core.Localization;
 using NzbDrone.Core.MediaFiles.TorrentInfo;
 using NzbDrone.Core.Organizer;
 using NzbDrone.Core.Parser.Model;
@@ -30,9 +31,10 @@ namespace NzbDrone.Core.Download
             IConfigService configService,
             IDiskProvider diskProvider,
             IRemotePathMappingService remotePathMappingService,
+            ILocalizationService localizationService,
             IBlocklistService blocklistService,
             Logger logger)
-            : base(configService, diskProvider, remotePathMappingService, logger)
+            : base(configService, diskProvider, remotePathMappingService, localizationService, logger)
         {
             _httpClient = httpClient;
             _blocklistService = blocklistService;
@@ -170,7 +172,7 @@ namespace NzbDrone.Core.Download
             }
             catch (HttpException ex)
             {
-                if (ex.Response.StatusCode == HttpStatusCode.NotFound)
+                if (ex.Response.StatusCode is HttpStatusCode.NotFound or HttpStatusCode.Gone)
                 {
                     _logger.Error(ex, "Downloading torrent file for album '{0}' failed since it no longer exists ({1})", remoteAlbum.Release.Title, torrentUrl);
                     throw new ReleaseUnavailableException(remoteAlbum.Release, "Downloading torrent failed", ex);

src/NzbDrone.Core/Download/UsenetClientBase.cs

@@ -6,6 +6,7 @@ using NzbDrone.Common.Http;
 using NzbDrone.Core.Configuration;
 using NzbDrone.Core.Exceptions;
 using NzbDrone.Core.Indexers;
+using NzbDrone.Core.Localization;
 using NzbDrone.Core.Organizer;
 using NzbDrone.Core.Parser.Model;
 using NzbDrone.Core.RemotePathMappings;
@@ -24,8 +25,9 @@ namespace NzbDrone.Core.Download
                                    IDiskProvider diskProvider,
                                    IRemotePathMappingService remotePathMappingService,
                                    IValidateNzbs nzbValidationService,
+                                   ILocalizationService localizationService,
                                    Logger logger)
-            : base(configService, diskProvider, remotePathMappingService, logger)
+            : base(configService, diskProvider, remotePathMappingService, localizationService, logger)
         {
             _httpClient = httpClient;
             _nzbValidationService = nzbValidationService;
@@ -46,6 +48,7 @@ namespace NzbDrone.Core.Download
             {
                 var request = indexer?.GetDownloadRequest(url) ?? new HttpRequest(url);
                 request.RateLimitKey = remoteAlbum?.Release?.IndexerId.ToString();
+                request.AllowAutoRedirect = true;
 
                 var response = await RetryStrategy
                     .ExecuteAsync(static async (state, _) => await state._httpClient.GetAsync(state.request), (_httpClient, request))
@@ -57,7 +60,7 @@ namespace NzbDrone.Core.Download
             }
             catch (HttpException ex)
             {
-                if (ex.Response.StatusCode == HttpStatusCode.NotFound)
+                if (ex.Response.StatusCode is HttpStatusCode.NotFound or HttpStatusCode.Gone)
                 {
                     _logger.Error(ex, "Downloading nzb file for album '{0}' failed since it no longer exists ({1})", remoteAlbum.Release.Title, url);
                     throw new ReleaseUnavailableException(remoteAlbum.Release, "Downloading nzb failed", ex);

src/NzbDrone.Core/History/EntityHistoryService.cs

@@ -157,7 +157,7 @@ namespace NzbDrone.Core.History
                 history.Data.Add("Age", message.Album.Release.Age.ToString());
                 history.Data.Add("AgeHours", message.Album.Release.AgeHours.ToString());
                 history.Data.Add("AgeMinutes", message.Album.Release.AgeMinutes.ToString());
-                history.Data.Add("PublishedDate", message.Album.Release.PublishDate.ToString("s") + "Z");
+                history.Data.Add("PublishedDate", message.Album.Release.PublishDate.ToUniversalTime().ToString("s") + "Z");
                 history.Data.Add("DownloadClient", message.DownloadClient);
                 history.Data.Add("Size", message.Album.Release.Size.ToString());
                 history.Data.Add("DownloadUrl", message.Album.Release.DownloadUrl);

src/NzbDrone.Core/Indexers/FileList/FileListRequestGenerator.cs

@@ -1,6 +1,7 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using NzbDrone.Common.Extensions;
 using NzbDrone.Common.Http;
 using NzbDrone.Core.IndexerSearch.Definitions;
 
@@ -44,6 +45,11 @@ namespace NzbDrone.Core.Indexers.FileList
 
         private IEnumerable<IndexerRequest> GetRequest(string searchType, IEnumerable<int> categories, string parameters)
         {
+            if (categories.Empty())
+            {
+                yield break;
+            }
+
             var categoriesQuery = string.Join(",", categories.Distinct());
 
             var baseUrl = string.Format("{0}/api.php?action={1}&category={2}{3}", Settings.BaseUrl.TrimEnd('/'), searchType, categoriesQuery, parameters);

src/NzbDrone.Core/Indexers/FileList/FileListSettings.cs

@@ -13,6 +13,8 @@ namespace NzbDrone.Core.Indexers.FileList
             RuleFor(c => c.Username).NotEmpty();
             RuleFor(c => c.Passkey).NotEmpty();
 
+            RuleFor(c => c.Categories).NotEmpty();
+
             RuleFor(c => c.SeedCriteria).SetValidator(_ => new SeedCriteriaSettingsValidator());
         }
     }

src/NzbDrone.Core/Localization/Core/en.json

@@ -256,6 +256,7 @@
   "CreateEmptyArtistFolders": "Create empty artist folders",
   "CreateEmptyArtistFoldersHelpText": "Create missing artist folders during disk scan",
   "CreateGroup": "Create group",
+  "CurrentlyInstalled": "Currently Installed",
   "Custom": "Custom",
   "CustomFilter": "Custom Filter",
   "CustomFilters": "Custom Filters",
@@ -334,8 +335,6 @@
   "DeleteReleaseProfileMessageText": "Are you sure you want to delete this release profile?",
   "DeleteRemotePathMapping": "Delete Remote Path Mapping",
   "DeleteRemotePathMappingMessageText": "Are you sure you want to delete this remote path mapping?",
-  "DeleteRootFolder": "Delete Root Folder",
-  "DeleteRootFolderMessageText": "Are you sure you want to delete the root folder '{name}'?",
   "DeleteSelected": "Delete Selected",
   "DeleteSelectedArtists": "Delete Selected Artists",
   "DeleteSelectedCustomFormats": "Delete Custom Format(s)",
@@ -383,6 +382,7 @@
   "DownloadClientDelugeSettingsDirectoryCompleted": "Move When Completed Directory",
   "DownloadClientDelugeSettingsDirectoryCompletedHelpText": "Optional location to move completed downloads to, leave blank to use the default Deluge location",
   "DownloadClientDelugeSettingsDirectoryHelpText": "Optional location to put downloads in, leave blank to use the default Deluge location",
+  "DownloadClientItemErrorMessage": "{clientName} is reporting an error: {message}",
   "DownloadClientPriorityHelpText": "Download Client Priority from 1 (Highest) to 50 (Lowest). Default: 1. Round-Robin is used for clients with the same priority.",
   "DownloadClientQbittorrentSettingsContentLayout": "Content Layout",
   "DownloadClientQbittorrentSettingsContentLayoutHelpText": "Whether to use qBittorrent's configured content layout, the original layout from the torrent or always create a subfolder (qBittorrent 4.3.2+)",
@@ -486,6 +486,8 @@
   "ExtraFileExtensionsHelpTextsExamples": "Examples: '.sub, .nfo' or 'sub,nfo'",
   "FailedDownloadHandling": "Failed Download Handling",
   "FailedLoadingSearchResults": "Failed to load search results, please try again.",
+  "FailedToFetchSettings": "Failed to fetch settings",
+  "FailedToFetchUpdates": "Failed to fetch updates",
   "FailedToLoadQueue": "Failed to load Queue",
   "False": "False",
   "FileDateHelpText": "Change file date on import/rescan",
@@ -688,6 +690,7 @@
   "LocalPathHelpText": "Path that {appName} should use to access the remote path locally",
   "Location": "Location",
   "LogFiles": "Log Files",
+  "LogFilesLocation": "Log files are located in: {location}",
   "LogLevel": "Log Level",
   "LogLevelvalueTraceTraceLoggingShouldOnlyBeEnabledTemporarily": "Trace logging should only be enabled temporarily",
   "LogSizeLimit": "Log Size Limit",
@@ -1024,6 +1027,8 @@
   "RemoveQueueItemRemovalMethod": "Removal Method",
   "RemoveQueueItemRemovalMethodHelpTextWarning": "'Remove from Download Client' will remove the download and the file(s) from the download client.",
   "RemoveQueueItemsRemovalMethodHelpTextWarning": "'Remove from Download Client' will remove the downloads and the files from the download client.",
+  "RemoveRootFolder": "Remove Root Folder",
+  "RemoveRootFolderArtistsMessageText": "Are you sure you want to remove the root folder '{name}'? Files and folders will not be deleted from disk, and artists in this root folder will not be removed from {appName}.",
   "RemoveSelected": "Remove Selected",
   "RemoveSelectedItem": "Remove Selected Item",
   "RemoveSelectedItemBlocklistMessageText": "Are you sure you want to remove the selected items from the blocklist?",
@@ -1218,6 +1223,7 @@
   "TestParsing": "Test Parsing",
   "TheAlbumsFilesWillBeDeleted": "The album's files will be deleted.",
   "TheArtistFolderStrongpathstrongAndAllOfItsContentWillBeDeleted": "The artist folder '{0}' and all of its content will be deleted.",
+  "TheLogLevelDefault": "The log level defaults to 'Debug' and can be changed in [General Settings](/settings/general)",
   "Theme": "Theme",
   "ThemeHelpText": "Change Application UI Theme, 'Auto' Theme will use your OS Theme to set Light or Dark mode. Inspired by Theme.Park",
   "ThereWasAnErrorLoadingThisItem": "There was an error loading this item",

src/NzbDrone.Core/MediaFiles/UpgradeMediaFileService.cs

@@ -65,6 +65,10 @@ namespace NzbDrone.Core.MediaFiles
                     _logger.Debug("Removing existing track file: {0}", file);
                     _recycleBinProvider.DeleteFile(trackFilePath, subfolder);
                 }
+                else
+                {
+                    _logger.Warn("Existing track file missing from disk: {0}", trackFilePath);
+                }
 
                 moveFileResult.OldFiles.Add(file);
                 _mediaFileService.Delete(file, DeleteMediaFileReason.Upgrade);

src/NzbDrone.Core/Music/Utilities/ShouldRefreshAlbum.cs

@@ -18,6 +18,8 @@ namespace NzbDrone.Core.Music
         }
 
         public bool ShouldRefresh(Album album)
+        {
+            try
             {
                 if (album.LastInfoSync < DateTime.UtcNow.AddDays(-60))
                 {
@@ -40,5 +42,11 @@ namespace NzbDrone.Core.Music
                 _logger.Trace("Album {0} released long ago and recently refreshed, should not be refreshed.", album.Title);
                 return false;
             }
+            catch (Exception e)
+            {
+                _logger.Error(e, "Unable to determine if album should refresh, will try to refresh.");
+                return true;
+            }
+        }
     }
 }

src/NzbDrone.Core/Music/Utilities/ShouldRefreshArtist.cs

@@ -21,6 +21,8 @@ namespace NzbDrone.Core.Music
         }
 
         public bool ShouldRefresh(Artist artist)
+        {
+            try
             {
                 if (artist.LastInfoSync == null)
                 {
@@ -57,5 +59,11 @@ namespace NzbDrone.Core.Music
                 _logger.Trace("Artist {0} ended long ago, should not be refreshed.", artist.Name);
                 return false;
             }
+            catch (Exception e)
+            {
+                _logger.Error(e, "Unable to determine if artist should refresh, will try to refresh.");
+                return true;
+            }
+        }
     }
 }

src/NzbDrone.Core/Notifications/CustomScript/CustomScript.cs

@@ -347,7 +347,7 @@ namespace NzbDrone.Core.Notifications.CustomScript
         {
             if (artist == null)
             {
-                return null;
+                return new List<string>();
             }
 
             return _tagRepository.GetTags(artist.Tags)

src/NzbDrone.Core/Notifications/Discord/Discord.cs

@@ -514,9 +514,9 @@ namespace NzbDrone.Core.Notifications.Discord
         {
             var albumTitles = string.Join(" + ", albums.Select(e => e.Title));
 
-            var title = $"{artist.Name} - {albumTitles}";
+            var title = $"{artist.Name} - {albumTitles}".Replace("`", "\\`");
 
-            return title.Length > 256 ? $"{title.AsSpan(0, 253)}..." : title;
+            return title.Length > 256 ? $"{title.AsSpan(0, 253).TrimEnd('\\')}..." : title;
         }
     }
 }

src/NzbDrone.Core/RemotePathMappings/RemotePathMappingService.cs

@@ -96,6 +96,11 @@ namespace NzbDrone.Core.RemotePathMappings
                 throw new ArgumentException("Invalid Host");
             }
 
+            if (mapping.RemotePath.StartsWith(" "))
+            {
+                throw new ArgumentException("Remote Path must not start with a space");
+            }
+
             var remotePath = new OsPath(mapping.RemotePath);
             var localPath = new OsPath(mapping.LocalPath);