diff --git a/README.md b/README.md
index 7ac6cd04d..625a1ddf1 100644
--- a/README.md
+++ b/README.md
@@ -16,8 +16,8 @@ Developer note: The software implements the [Torznab](https://github.com/Sonarr/
 
 
 #### Supported Systems
-* Windows using .NET 4.5.2 [Download here](https://www.microsoft.com/net/framework/versions/net452).
-* Linux and macOS using Mono 4.6.0 and above. [Download here](http://www.mono-project.com/download/). Earlier versions of mono may work but some trackers may fail to negotiate SSL correctly, and others may cause Jackett to crash when used.
+* Windows using .NET 4.6.1 or above [Download here](https://www.microsoft.com/net/framework/versions/net461).
+* Linux and macOS using Mono 5.8 or above. [Download here](http://www.mono-project.com/download/). Earlier versions of mono may work, but some trackers may fail to negotiate SSL correctly, and others may cause Jackett to crash when used.
 
 ### Supported Public Trackers
  * 1337x
@@ -319,7 +319,7 @@ When installed as a service the tray icon acts as a way to open/start/stop Jacke
 Jackett can also be run from the command line if you would like to see log messages (Ensure the server isn't already running from the tray/service). This can be done by using "JackettConsole.exe" (for Command Prompt), found in the Jackett data folder: "%ProgramData%\Jackett".
 
 ## Installation on Linux
- 1. Install [Mono 4.6](http://www.mono-project.com/download/#download-lin) or better (using the latest stable release for your distribution is recommended)
+ 1. Install [Mono 5.8](http://www.mono-project.com/download/#download-lin) or better (using the latest stable release is recommended)
        * Follow the instructions on the mono website and install the `mono-devel` and the `ca-certificates-mono` packages.
        * On Red Hat/CentOS/openSUSE/Fedora the `mono-locale-extras` package is also required.
  2. Install  libcurl:
diff --git a/src/Jackett.Common/Content/index.html b/src/Jackett.Common/Content/index.html
index 72d03febf..47518012a 100644
--- a/src/Jackett.Common/Content/index.html
+++ b/src/Jackett.Common/Content/index.html
@@ -98,7 +98,7 @@
                 <button id="change-jackett-port" class="btn btn-primary btn-sm">
                     <i class="fa fa-wrench"></i>   Apply server settings <span class="glyphicon glyphicon-ok-wrench" aria-hidden="true"></span>
                 </button>
-                <button id="view-jackett-logs" class="btn btn-danger btn-sm">
+                <button id="view-jackett-logs" class="btn btn-success btn-sm">
                     <i class="fa fa-rss"></i> View logs <span class="glyphicon glyphicon-ok-wrench" aria-hidden="true"></span>
                 </button>
                 <button id="trigger-updater" class="btn btn-warning btn-sm">
diff --git a/src/Jackett.Common/Definitions/ilcorsaroblu.yml b/src/Jackett.Common/Definitions/ilcorsaroblu.yml
index 00023be32..d79df47dc 100644
--- a/src/Jackett.Common/Definitions/ilcorsaroblu.yml
+++ b/src/Jackett.Common/Definitions/ilcorsaroblu.yml
@@ -6,10 +6,10 @@
   type: public
   encoding: UTF-8
   links:
-    - https://www.ilcorsaroblu.org/
+    - https://www.ilcorsaroblu.info/
   legacylinks:
-    - https://ilcorsaroblu.org/
     - http://ilcorsaroblu.org/
+    - https://www.ilcorsaroblu.org/
 
   caps:
     categorymappings:
@@ -45,6 +45,8 @@
       tv-search: [q, season, ep]
       movie-search: [q]
 
+  settings: []
+
   search:
     paths:
       - path: /index.php
@@ -64,7 +66,7 @@
       page: torrents
       active: 0
     rows:
-      selector: div.b-content > table > tbody > tr > td > table.lista > tbody > tr:has(a[onmouseover])
+      selector: div.b-content > table > tbody > tr > td > table.lista > tbody > tr:has(a[href^="index.php?page=torrents&category="])
     fields:
       title:
         selector: td:nth-child(2) > a
diff --git a/src/Jackett.Common/Indexers/BaseIndexer.cs b/src/Jackett.Common/Indexers/BaseIndexer.cs
index 5a4468707..bc57c7a6c 100644
--- a/src/Jackett.Common/Indexers/BaseIndexer.cs
+++ b/src/Jackett.Common/Indexers/BaseIndexer.cs
@@ -3,7 +3,6 @@ using System.Collections.Generic;
 using System.Diagnostics;
 using System.Linq;
 using System.Reflection;
-using System.Runtime.InteropServices;
 using System.Text;
 using System.Threading.Tasks;
 using AutoMapper;
@@ -190,7 +189,7 @@ namespace Jackett.Common.Indexers
             }
 
             Version dotNetVersion = Microsoft.Extensions.PlatformAbstractions.PlatformServices.Default.Application.RuntimeFramework.Version;
-            bool isWindows = RuntimeInformation.IsOSPlatform(OSPlatform.Windows);
+            bool isWindows = Environment.OSVersion.Platform == PlatformID.Win32NT;
 
             if (!isWindows && dotNetVersion.Major < 4)
             {
@@ -208,9 +207,9 @@ namespace Jackett.Common.Indexers
                 passwordPropertyValue = configData.GetType().GetProperty("Password").GetValue(configData, null);
                 passwordValue = passwordPropertyValue.GetType().GetProperty("Value").GetValue(passwordPropertyValue, null).ToString();
             }
-            catch (Exception ex)
+            catch (Exception)
             {
-                logger.Warn($"Attempt to source password from json failed - {ID} : " + ex.ToString());
+                logger.Debug($"Unable to source password for [{ID}] while attempting migration, likely a public tracker");
                 return false;
             }
 
@@ -224,12 +223,7 @@ namespace Jackett.Common.Indexers
                 }
                 catch (Exception ex)
                 {
-                    if (ex.Message != "The provided payload cannot be decrypted because it was not protected with this protection provider.")
-                    {
-                        logger.Info($"Password could not be unprotected using Microsoft.AspNetCore.DataProtection - {ID} : " + ex.ToString());
-                    }
-
-                    logger.Info($"Attempting legacy Unprotect - {ID} : ");
+                    logger.Info("Password could not be unprotected using Microsoft.AspNetCore.DataProtection, trying legacy: " + ex.ToString());
 
                     try
                     {
@@ -240,13 +234,11 @@ namespace Jackett.Common.Indexers
                         SaveConfig();
                         IsConfigured = true;
 
-                        logger.Info($"Password successfully migrated for {ID}");
-
                         return true;
                     }
                     catch (Exception exception)
                     {
-                        logger.Info($"Password could not be unprotected using legacy DPAPI - {ID} : " + exception.ToString());
+                        logger.Info("Password could not be unprotected using legacy DPAPI: " + exception.ToString());
                     }
                 }
             }
diff --git a/src/Jackett.Common/Indexers/Demonoid.cs b/src/Jackett.Common/Indexers/Demonoid.cs
index b05290451..a612cacc6 100644
--- a/src/Jackett.Common/Indexers/Demonoid.cs
+++ b/src/Jackett.Common/Indexers/Demonoid.cs
@@ -231,7 +231,9 @@ namespace Jackett.Common.Indexers
         public override async Task<byte[]> Download(Uri link)
         {
             var results = await RequestStringWithCookies(link.AbsoluteUri);
-            await FollowIfRedirect(results);
+            //await FollowIfRedirect(results); // manual follow for better debugging (string)
+            if (results.IsRedirect)
+                results = await RequestStringWithCookies(results.RedirectingTo);
             CQ dom = results.Content;
             var dl = dom.Find("a:has(font:contains(\"Download torrent file\"))");
 
diff --git a/src/Jackett.Common/Indexers/RevolutionTT.cs b/src/Jackett.Common/Indexers/RevolutionTT.cs
index 4f49f4f15..c9e4f2eac 100644
--- a/src/Jackett.Common/Indexers/RevolutionTT.cs
+++ b/src/Jackett.Common/Indexers/RevolutionTT.cs
@@ -116,7 +116,7 @@ namespace Jackett.Common.Indexers
             //AddCategoryMapping("cat_id", TorznabCatType.AudioForeign);
             AddCategoryMapping("21", TorznabCatType.PC);
             AddCategoryMapping("22", TorznabCatType.PC0day);
-            AddCategoryMapping("4", TorznabCatType.PCISO);
+            AddCategoryMapping("1", TorznabCatType.PCISO);
             AddCategoryMapping("2", TorznabCatType.PCMac);
             //AddCategoryMapping("cat_id", TorznabCatType.PCPhoneOther);
             //Games/PC-ISO, Games/PC-Rips
@@ -155,7 +155,7 @@ namespace Jackett.Common.Indexers
             // RSS Textual categories
             AddCategoryMapping("Anime", TorznabCatType.TVAnime);
             AddCategoryMapping("Appz/Misc", TorznabCatType.PC0day);
-            AddCategoryMapping("Appz/PC-ISO", TorznabCatType.Books);
+            AddCategoryMapping("Appz/PC-ISO", TorznabCatType.PCISO);
             AddCategoryMapping("E-Book", TorznabCatType.BooksEbook);
             AddCategoryMapping("Games/PC-ISO", TorznabCatType.PCGames);
             AddCategoryMapping("Games/PC-Rips", TorznabCatType.PCGames);
@@ -349,6 +349,9 @@ namespace Jackett.Common.Indexers
                             release.Seeders = ParseUtil.CoerceInt(qRow.Find("td:nth-child(9)").Text());
                             release.Peers = release.Seeders + ParseUtil.CoerceInt(qRow.Find("td:nth-child(10)").Text());
 
+                            var grabsStr = qRow.Find("td:nth-child(8)").Text();
+                            release.Grabs = ParseUtil.GetLongFromString(grabsStr);
+
                             var category = qRow.Find(".br_type > a").Attr("href").Replace("browse.php?cat=", string.Empty);
                             release.Category = MapTrackerCatToNewznab(category);
                         }
@@ -364,4 +367,4 @@ namespace Jackett.Common.Indexers
             return releases;
         }
     }
-}
\ No newline at end of file
+}
diff --git a/src/Jackett.Common/Indexers/SceneTime.cs b/src/Jackett.Common/Indexers/SceneTime.cs
index d182135a9..32120bf82 100644
--- a/src/Jackett.Common/Indexers/SceneTime.cs
+++ b/src/Jackett.Common/Indexers/SceneTime.cs
@@ -19,7 +19,7 @@ namespace Jackett.Common.Indexers
     {
         private string StartPageUrl { get { return SiteLink + "login.php"; } }
         private string LoginUrl { get { return SiteLink + "takelogin.php"; } }
-        private string SearchUrl { get { return SiteLink + "browse_API.php"; } }
+        private string SearchUrl { get { return SiteLink + "browse.php"; } }
         private string DownloadUrl { get { return SiteLink + "download.php/{0}/download.torrent"; } }
 
         private new ConfigurationDataRecaptchaLogin configData
@@ -53,25 +53,27 @@ namespace Jackett.Common.Indexers
             AddCategoryMapping(59, TorznabCatType.MoviesHD, "Movies/HD");
             AddCategoryMapping(61, TorznabCatType.Movies, "Movies/Classic");
             AddCategoryMapping(64, TorznabCatType.Movies3D, "Movies/3D");
-            AddCategoryMapping(78, TorznabCatType.XXX, "0day/XxX");
             AddCategoryMapping(80, TorznabCatType.MoviesForeign, "Movies/Non-English");
             AddCategoryMapping(81, TorznabCatType.MoviesBluRay, "Movies/BluRay");
             AddCategoryMapping(82, TorznabCatType.MoviesOther, "Movies/CAM-TS");
             AddCategoryMapping(102, TorznabCatType.MoviesOther, "Movies/Remux");
             AddCategoryMapping(103, TorznabCatType.MoviesWEBDL, "Movies/Web-Rip");
             AddCategoryMapping(105, TorznabCatType.Movies, "Movies/Kids");
+            AddCategoryMapping(16, TorznabCatType.MoviesUHD, "Movies/4K");
+            AddCategoryMapping(17, TorznabCatType.MoviesBluRay, "Movies/4K bluray");
 
             //TV
             AddCategoryMapping(2, TorznabCatType.TVSD, "TV/XviD");
             AddCategoryMapping(43, TorznabCatType.TV, "TV/Packs");
             AddCategoryMapping(9, TorznabCatType.TVHD, "TV-HD");
-            AddCategoryMapping(19, TorznabCatType.TVHD, "TV-HD HEVC/x265");
             AddCategoryMapping(63, TorznabCatType.TV, "TV/Classic");
             AddCategoryMapping(77, TorznabCatType.TVSD, "TV/SD");
             AddCategoryMapping(79, TorznabCatType.TVSport, "Sports");
             AddCategoryMapping(100, TorznabCatType.TVFOREIGN, "TV/Non-English");
             AddCategoryMapping(83, TorznabCatType.TVWEBDL, "TV/Web-Rip");
             AddCategoryMapping(8, TorznabCatType.TVOTHER, "TV-Mobile");
+            AddCategoryMapping(18, TorznabCatType.TVAnime, "TV/Anime");
+            AddCategoryMapping(19, TorznabCatType.TVHD, "TV-x265");
 
             // Games
             AddCategoryMapping(6, TorznabCatType.PCGames, "Games/PC ISO");
diff --git a/src/Jackett/Services/ServerService.cs b/src/Jackett/Services/ServerService.cs
index 21a14fa05..3eb677477 100644
--- a/src/Jackett/Services/ServerService.cs
+++ b/src/Jackett/Services/ServerService.cs
@@ -153,6 +153,13 @@ namespace Jackett.Services
                         logger.Error(notice);
                     }
 
+                    if (monoVersionO.Major < 5 || (monoVersionO.Major == 5 && monoVersionO.Minor < 8))
+                    {
+                        string notice = "A minimum Mono version of 5.8 is required. Please update to the latest version from http://www.mono-project.com/download/";
+                        _notices.Add(notice);
+                        logger.Error(notice);
+                    }
+
                     try
                     {
                         // Check for mono-devel