added release notes for 4.8.0-beta00013 and updated release/website documentation
diff --git a/contributing/documentation.html b/contributing/documentation.html
index 61ba701..1687bd1 100644
--- a/contributing/documentation.html
+++ b/contributing/documentation.html
@@ -81,11 +81,11 @@
 <p>To submit changes for the website, create a Pull Request to the <a href="https://github.com/apache/lucenenet">Lucene Git repositoriy</a>. (See <a class="xref" href="index.html#submit-a-pull-request">Contributing</a> for details)</p>
 <h2 id="website">Website</h2>
 <h3 id="build-script">Build script</h3>
-<p>To build the website and run it on your machine, run the powershell script: <code>/websites/site/site.ps1</code>. You don't have to pass any parameters in and it will build the site and host it at <a href="http://localhost:8080">http://localhost:8080</a>.</p>
+<p>To build the website and run it on your machine, run the Powershell script: <code>/websites/site/site.ps1</code>. You don't have to pass any parameters in and it will build the site and host it at <a href="http://localhost:8081">http://localhost:8081</a>.</p>
 <p>The script has 2 optional parameters:</p>
 <ul>
 <li><code>-ServeDocs</code> <em>(default is 1)</em> The value of <code>1</code> means it will build the docs and host the site, if <code>0</code> is specified, it will build the static site to be hosted elsewhere.</li>
-<li><code>-Clean</code> <em>(default is 0)</em> The value of <code>1</code> means that it will clear all caches and tool files before it builds again. This is handy if a new version of docfx is available or if there's odd things occuring with the incremental build.</li>
+<li><code>-Clean</code> <em>(default is 0)</em> The value of <code>1</code> means that it will clear all caches and tool files before it builds again. This is handy if a new version of docfx is available or if there's odd things occurring with the incremental build.</li>
 </ul>
 <h3 id="filefolder-structure">File/folder structure</h3>
 <p>The file/folder structure is within <code>/websites/site</code>:</p>
@@ -103,18 +103,18 @@
 <ul>
 <li>The website is deployed via git</li>
 <li>Checkout the Git repo that hosts the documentation: <a href="https://github.com/apache/lucenenet-site/tree/asf-site">https://github.com/apache/lucenenet-site/tree/asf-site</a> <em>(ensure you have <code>asf-site</code> branch checked out, not <code>master</code>)</em></li>
-<li>Copy the build output of the website to the root. The build output will be all of the files in the <code>/websites/site/_site</code> in your main lucene.net checked out Git repository.</li>
+<li>Copy the build output of the website to the root. The build output will be all of the files in the <code>/websites/site/_site</code> in your main Lucene.NET checked out Git repository.</li>
 <li>Commit and push these changes</li>
 <li>The new version of the website will be live. If the amount of new files committed is large, the new files may take some time to become live.</li>
 </ul>
 <h2 id="api-docs">API Docs</h2>
 <h3 id="build-script-1">Build script</h3>
-<p>To build the api docs and run it on your machine, run the powershell script: <code>/websites/apidocs/docs.ps1</code>. You don't have to pass any parameters in and it will build the site and host it at <a href="http://localhost:8080">http://localhost:8080</a>.</p>
+<p>To build the api docs and run it on your machine, run the Powershell script: <code>/websites/apidocs/docs.ps1</code>. You don't have to pass any parameters in and it will build the site and host it at <a href="http://localhost:8080">http://localhost:8080</a>.</p>
 <p>The script has 3 parameters:</p>
 <ul>
 <li><code>-LuceneNetVersion</code> <em>(mandatory)</em> This is the Lucene.Net version including pre-release information that is being built. For example: <code>4.8.0-beta00008</code>. <em>(This value will correspond to the folder and branch name where the docs get hosted, see below)</em></li>
 <li><code>-ServeDocs</code> <em>(default is 1)</em> The value of <code>1</code> means it will build the docs and host the site, if <code>0</code> is specified, it will build the static site to be hosted elsewhere.</li>
-<li><code>-Clean</code> <em>(default is 0)</em> The value of <code>1</code> means that it will clear all caches and tool files before it builds again. This is handy if a new version of docfx is available or if there's odd things occuring with the incremental build.</li>
+<li><code>-Clean</code> <em>(default is 0)</em> The value of <code>1</code> means that it will clear all caches and tool files before it builds again. This is handy if a new version of docfx is available or if there's odd things occurring with the incremental build.</li>
 </ul>
 <h3 id="filefolder-structure-1">File/folder structure</h3>
 <p>The file/folder structure is within <code>/websites/apidocs</code>:</p>
@@ -128,12 +128,12 @@
 <li><code>_site</code> - this is the exported static site that is generated</li>
 </ul>
 <h3 id="process-overview">Process overview</h3>
-<p>The documentation generation is a complex process because it needs to convert the Java Lucene project's documentation into a usable format to produce the output Lucene.Net's documentation.</p>
+<p>The documentation generation is a complex process because it needs to convert the Java Lucene project's documentation into a usable format to produce the output Lucene.NET's documentation.</p>
 <p>The process overview is:</p>
 <ul>
-<li>Use the <code>JavaDocToMarkdownConverter</code> project within the <code>DocumentationTools.sln</code> solution to run the conversion of the Java Lucene projects docs into a useable format for DocFx. This tool takes uses a release tag output of the Java Lucene project as it's source to convert against the Lucene.Net's source.</li>
+<li>Use the <code>JavaDocToMarkdownConverter</code> project within the <code>DocumentationTools.sln</code> solution to run the conversion of the Java Lucene projects docs into a useable format for DocFx. This tool takes uses a release tag output of the Java Lucene project as it's source to convert against the Lucene.NET's source.</li>
 <li>Run the documentation build script to produce the documentation site</li>
-<li>Publish the output to the <a href="https://github.com/apache/lucenenet-site"><code>lucenenet-site</code></a> repository into a correpsonding named version directory</li>
+<li>Publish the output to the <a href="https://github.com/apache/lucenenet-site"><code>lucenenet-site</code></a> repository into a corresponding named version directory</li>
 </ul>
 <p>We don't want to manually change the converted resulting markdown files (<code>.md</code>) because they would get overwritten again when the conversion process is re-executed. Therefore to fix any formatting issues or customized output of the project docs, these customizations/fixes/tweaks are built directly into the conversion process itself in the <code>JavaDocToMarkdownConverter.csproj</code> project.</p>
 <h3 id="building-the-docs">Building the docs</h3>
@@ -164,13 +164,13 @@
 <ul>
 <li>Checkout the Git repo that hosts the documentation: <a href="https://github.com/apache/lucenenet-site/tree/asf-site">https://github.com/apache/lucenenet-site/tree/asf-site</a> <em>(ensure you have <code>asf-site</code> branch checked out, not <code>master</code>)</em></li>
 <li>Create a new folder in this repo: <code>/docs/[Version]</code>, for example: <code>/docs/4.8.0-beta00008</code></li>
-<li>Copy the build output of the documentation site to this new folder. The build output will be all of the files in the <code>/websites/apidocs/_site</code> in your main lucene.net checked out Git repository.</li>
+<li>Copy the build output of the documentation site to this new folder. The build output will be all of the files in the <code>/websites/apidocs/_site</code> in your main Lucene.NET checked out Git repository.</li>
 <li>Commit and push these changes</li>
 <li>The new version documentation will be live. Due to the amount of new files committed, the new files may take up to 60 minutes to become live.</li>
 <li>Next the website needs updating which is a manual process currently:
 <ul>
 <li>In the <code>/websites/site/download</code> folder there should be a document per release. It's normally fine to copy the document of the latest release for the same major version. For a new major version some modifications may be needed.</li>
-<li>Ensure the correct version number is listed in the header and the nuget download snippet.</li>
+<li>Ensure the correct version number is listed in the header and the NuGet download snippet.</li>
 <li>Update the <code>Status</code> and <code>Released</code> heading information.</li>
 <li>Ensure the download links are correct.</li>
 <li>Update the <code>/websites/site/download/toc.yml</code> and <code>/websites/site/download/download.md</code> files to include a reference to the new page which should maintain descending version order.</li>
diff --git a/contributing/make-release.html b/contributing/make-release.html
index 6cb03ba..2a55263 100644
--- a/contributing/make-release.html
+++ b/contributing/make-release.html
@@ -199,12 +199,9 @@
 <li><p>From the <code>release</code> build artifact that you downloaded from Azure DevOps in the <strong>Check the Release Artifacts</strong> section, copy both the <code>.src.zip</code> and <code>.bin.zip</code> files to a new folder named <code>&lt;repo root&gt;/svn-dev/&lt;packageVersion&gt;/</code></p>
 </li>
 <li><p>On your local Git clone, tag the repository using the info in <code>RELEASE-TODO.txt</code></p>
-<ul>
-<li><code>git log</code></li>
-<li>Verify the HEAD commit hash of the local repo matches that in <code>RELEASE-TODO.txt</code></li>
-<li><code>git tag -a &lt;tag from RELEASE-TODO.txt&gt; -m &quot;&lt;tag from RELEASE-TODO.txt&gt;&quot;</code></li>
-<li><code>git push &lt;remote-name (defaults to origin)&gt; master --tags</code></li>
-</ul>
+<pre><code class="lang-powershell">git tag -a &lt;tag from RELEASE-TODO.txt&gt; &lt;commit hash from RELEASE-TODO.txt&gt; -m &quot;&lt;tag from RELEASE-TODO.txt&gt;&quot;
+git push &lt;remote-name (defaults to origin)&gt; master --tags
+</code></pre>
 </li>
 <li><p><a href="https://infra.apache.org/release-signing.html">Sign the <code>release</code> artifacts</a> using GnuPG</p>
 <pre><code class="lang-powershell">dotnet msbuild -t:SignReleaseCandidate -p:PackageVersion=&lt;packageVersion&gt;
diff --git a/manifest.json b/manifest.json
index 0daa49a..6bf746c 100644
--- a/manifest.json
+++ b/manifest.json
@@ -1,6 +1,6 @@
 {
   "homepages": [],
-  "source_base_path": "F:/projects/lucenenet/websites/site",
+  "source_base_path": "F:/Projects/lucenenet/websites/site",
   "xrefmap": "xrefmap.yml",
   "files": [
     {
@@ -56,7 +56,7 @@
           "hash": "caS6qLWX0qm0SD8ds4iE/w=="
         }
       },
-      "is_incremental": false,
+      "is_incremental": true,
       "version": ""
     },
     {
@@ -68,7 +68,7 @@
           "hash": "8JegabKhylcD8K0QMBeMWg=="
         }
       },
-      "is_incremental": false,
+      "is_incremental": true,
       "version": ""
     },
     {
@@ -77,10 +77,10 @@
       "output": {
         ".html": {
           "relative_path": "contributing/documentation.html",
-          "hash": "fxs52GQ0RGwOuoep9OrZWw=="
+          "hash": "iixxV56lgU7k/WUIW6jauA=="
         }
       },
-      "is_incremental": false,
+      "is_incremental": true,
       "version": ""
     },
     {
@@ -92,7 +92,7 @@
           "hash": "6L1tRkMGk7Spd/4RpQdRbQ=="
         }
       },
-      "is_incremental": false,
+      "is_incremental": true,
       "version": ""
     },
     {
@@ -104,7 +104,7 @@
           "hash": "+6qI+aE1bL9J8+EbhjzroA=="
         }
       },
-      "is_incremental": false,
+      "is_incremental": true,
       "version": ""
     },
     {
@@ -116,7 +116,7 @@
           "hash": "uZJZut2jkFnjqqMc7G2vaw=="
         }
       },
-      "is_incremental": false,
+      "is_incremental": true,
       "version": ""
     },
     {
@@ -125,10 +125,10 @@
       "output": {
         ".html": {
           "relative_path": "contributing/make-release.html",
-          "hash": "6h2VXv7kXQV6lbFxDxGCbQ=="
+          "hash": "A4OVcjewlRU+5gOhJhsp4Q=="
         }
       },
-      "is_incremental": false,
+      "is_incremental": true,
       "version": ""
     },
     {
@@ -140,7 +140,7 @@
           "hash": "mCvmEOdntJU2fra0SHEwcw=="
         }
       },
-      "is_incremental": false,
+      "is_incremental": true,
       "version": ""
     },
     {
@@ -164,7 +164,7 @@
           "hash": "Xi2wi2BAyR3pSF/IOwYR7A=="
         }
       },
-      "is_incremental": false,
+      "is_incremental": true,
       "version": ""
     },
     {
@@ -176,7 +176,7 @@
           "hash": "5lv0vbp4jhuxFsvmfj8nqQ=="
         }
       },
-      "is_incremental": false,
+      "is_incremental": true,
       "version": ""
     },
     {
@@ -188,7 +188,7 @@
           "hash": "aehv/18L1CC24eC2rE8e8w=="
         }
       },
-      "is_incremental": false,
+      "is_incremental": true,
       "version": ""
     },
     {
@@ -200,7 +200,7 @@
           "hash": "6bfvLqUGkYbo+PSW+BHOmw=="
         }
       },
-      "is_incremental": false,
+      "is_incremental": true,
       "version": ""
     },
     {
@@ -224,7 +224,7 @@
           "hash": "E1zZ4KfoMtMHGbGMqUCp/g=="
         }
       },
-      "is_incremental": false,
+      "is_incremental": true,
       "version": ""
     },
     {
@@ -236,7 +236,7 @@
           "hash": "3vmnzDXhy6ddt+Jw3EFRgA=="
         }
       },
-      "is_incremental": false,
+      "is_incremental": true,
       "version": ""
     },
     {
@@ -248,7 +248,7 @@
           "hash": "S7cP43Bkk+3dt1HGvAcmFw=="
         }
       },
-      "is_incremental": false,
+      "is_incremental": true,
       "version": ""
     },
     {
@@ -260,7 +260,7 @@
           "hash": "sS3pnX8ID0inSlrKkeBvtA=="
         }
       },
-      "is_incremental": false,
+      "is_incremental": true,
       "version": ""
     },
     {
@@ -272,7 +272,7 @@
           "hash": "3Pdr5uMOzd4LyUghQNZGLA=="
         }
       },
-      "is_incremental": false,
+      "is_incremental": true,
       "version": ""
     },
     {
@@ -284,7 +284,7 @@
           "hash": "rfI3E8g+UC5GFQIyfIuPSA=="
         }
       },
-      "is_incremental": false,
+      "is_incremental": true,
       "version": ""
     },
     {
@@ -296,7 +296,7 @@
           "hash": "EIy/ow3VtCdjPKsizUkiiA=="
         }
       },
-      "is_incremental": false,
+      "is_incremental": true,
       "version": ""
     },
     {
@@ -308,7 +308,7 @@
           "hash": "M+XJqzoY6DC+UHawagGaOQ=="
         }
       },
-      "is_incremental": false,
+      "is_incremental": true,
       "version": ""
     },
     {
@@ -320,7 +320,7 @@
           "hash": "heW16HeXzqYXHEMQEyvliA=="
         }
       },
-      "is_incremental": false,
+      "is_incremental": true,
       "version": ""
     },
     {
@@ -335,6 +335,18 @@
       "version": ""
     },
     {
+      "type": "Conceptual",
+      "source_relative_path": "release-notes/version-4.8.0-beta00013.md",
+      "output": {
+        ".html": {
+          "relative_path": "release-notes/version-4.8.0-beta00013.html",
+          "hash": "bZqwVpCoLG9XSvqAARPzbA=="
+        }
+      },
+      "is_incremental": true,
+      "version": ""
+    },
+    {
       "type": "Toc",
       "source_relative_path": "toc.yml",
       "output": {
@@ -359,8 +371,8 @@
         "ConceptualDocumentProcessor": {
           "can_incremental": true,
           "incrementalPhase": "build",
-          "total_file_count": 21,
-          "skipped_file_count": 21
+          "total_file_count": 22,
+          "skipped_file_count": 22
         },
         "ResourceDocumentProcessor": {
           "can_incremental": false,
diff --git a/release-notes/version-4.8.0-beta00013.html b/release-notes/version-4.8.0-beta00013.html
new file mode 100644
index 0000000..e5cde59
--- /dev/null
+++ b/release-notes/version-4.8.0-beta00013.html
@@ -0,0 +1,486 @@
+<!DOCTYPE html>
+<!--[if IE]><![endif]-->
+<html>
+  
+  <head>
+    <meta charset="utf-8">
+    <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
+    <title>Lucene.NET 4.8.0-beta00013 Release Notes | Apache Lucene.NET 4.8.0 </title>
+    <meta name="viewport" content="width=device-width">
+    <meta name="title" content="Lucene.NET 4.8.0-beta00013 Release Notes | Apache Lucene.NET 4.8.0 ">
+    <meta name="generator" content="docfx 2.50.0.0">
+    
+    <link rel="shortcut icon" href="../logo/favicon.ico">
+    <link rel="stylesheet" href="../styles/docfx.vendor.css">
+    <link rel="stylesheet" href="../styles/docfx.css">
+    <link rel="stylesheet" href="../styles/main.css">
+    <meta property="docfx:navrel" content="../toc.html">
+    <meta property="docfx:tocrel" content="../toc.html">
+    
+    
+    
+  
+    <link rel="stylesheet" href="//fonts.googleapis.com/css?family=Lato:400,700%7CMerriweather%7CRoboto+Mono">
+    <link rel="stylesheet" href="/styles/site.css">
+  
+  </head>
+  <body data-spy="scroll" data-target="#affix" data-offset="120">
+    <span id="forkongithub"><a href="https://github.com/apache/lucenenet" target="_blank">Fork me on GitHub</a></span>
+    <div id="wrapper">
+      <header>
+        
+        <nav id="autocollapse" class="navbar ng-scope" role="navigation">
+          <div class="container">
+            <div class="navbar-header">
+              <button type="button" class="navbar-toggle" data-toggle="collapse" data-target="#navbar">
+                <span class="sr-only">Toggle navigation</span>
+                <span class="icon-bar"></span>
+                <span class="icon-bar"></span>
+                <span class="icon-bar"></span>
+              </button>
+              
+              <a class="navbar-brand" href="../index.html">
+                <img id="logo" class="svg" src="../logo/lucene-net-color.png" alt="">
+              </a>
+            </div>
+            <div class="collapse navbar-collapse" id="navbar">
+              <form class="navbar-form navbar-right" role="search" id="search">
+                <div class="form-group">
+                  <input type="text" class="form-control" id="search-query" placeholder="Search" autocomplete="off">
+                </div>
+              </form>
+            </div>
+          </div>
+        </nav>
+        
+        <div class="subnav navbar navbar-default">
+          <div class="container hide-when-search" id="breadcrumb">
+            <ul class="breadcrumb">
+              <li></li>
+            </ul>
+          </div>
+        </div>
+      </header>
+      <div role="main" class="container body-content hide-when-search">
+        <div class="article row grid">
+          <div class="col-md-10">
+            <article class="content wrap" id="_content" data-uid="releasenotes/4.8.0-beta00013">
+<h1 id="lucenenet-480-beta00013-release-notes">Lucene.NET 4.8.0-beta00013 Release Notes</h1>
+
+<hr>
+<blockquote>
+<p>This release contains important bug fixes and performance enhancements.</p>
+</blockquote>
+<h2 id="benchmarks-from-310">Benchmarks (from <a href="https://github.com/apache/lucenenet/pull/310">#310</a>)</h2>
+<h4 id="index-files">Index Files</h4>
+<details>
+  <summary>Click to expand</summary>
+<pre><code class="lang-ini">
+BenchmarkDotNet=v0.12.1, OS=Windows 10.0.19041.630 (2004/?/20H1)
+Intel Core i7-8850H CPU 2.60GHz (Coffee Lake), 1 CPU, 12 logical and 6 physical cores
+.NET Core SDK=5.0.100
+  [Host]          : .NET Core 3.1.9 (CoreCLR 4.700.20.47201, CoreFX 4.700.20.47203), X64 RyuJIT
+  4.8.0-beta00005 : .NET Core 3.1.9 (CoreCLR 4.700.20.47201, CoreFX 4.700.20.47203), X64 RyuJIT
+  4.8.0-beta00006 : .NET Core 3.1.9 (CoreCLR 4.700.20.47201, CoreFX 4.700.20.47203), X64 RyuJIT
+  4.8.0-beta00007 : .NET Core 3.1.9 (CoreCLR 4.700.20.47201, CoreFX 4.700.20.47203), X64 RyuJIT
+  4.8.0-beta00008 : .NET Core 3.1.9 (CoreCLR 4.700.20.47201, CoreFX 4.700.20.47203), X64 RyuJIT
+  4.8.0-beta00009 : .NET Core 3.1.9 (CoreCLR 4.700.20.47201, CoreFX 4.700.20.47203), X64 RyuJIT
+  4.8.0-beta00010 : .NET Core 3.1.9 (CoreCLR 4.700.20.47201, CoreFX 4.700.20.47203), X64 RyuJIT
+  4.8.0-beta00011 : .NET Core 3.1.9 (CoreCLR 4.700.20.47201, CoreFX 4.700.20.47203), X64 RyuJIT
+  4.8.0-beta00012 : .NET Core 3.1.9 (CoreCLR 4.700.20.47201, CoreFX 4.700.20.47203), X64 RyuJIT
+  4.8.0-beta00013 : .NET Core 3.1.9 (CoreCLR 4.700.20.47201, CoreFX 4.700.20.47203), X64 RyuJIT
+
+InvocationCount=1  IterationCount=15  LaunchCount=2  
+UnrollFactor=1  WarmupCount=10  
+
+</code></pre>
+<table>
+<thead>
+<tr>
+<th>Method</th>
+<th>Job</th>
+<th style="text-align: right;">Mean</th>
+<th style="text-align: right;">Error</th>
+<th style="text-align: right;">StdDev</th>
+<th style="text-align: right;">Gen 0</th>
+<th style="text-align: right;">Gen 1</th>
+<th style="text-align: right;">Gen 2</th>
+<th style="text-align: right;">Allocated</th>
+</tr>
+</thead>
+<tbody>
+<tr>
+<td>IndexFiles</td>
+<td>4.8.0-beta00005</td>
+<td style="text-align: right;">628.1 ms</td>
+<td style="text-align: right;">8.41 ms</td>
+<td style="text-align: right;">12.05 ms</td>
+<td style="text-align: right;">43000.0000</td>
+<td style="text-align: right;">8000.0000</td>
+<td style="text-align: right;">7000.0000</td>
+<td style="text-align: right;">220.82 MB</td>
+</tr>
+<tr>
+<td>IndexFiles</td>
+<td>4.8.0-beta00006</td>
+<td style="text-align: right;">628.3 ms</td>
+<td style="text-align: right;">13.19 ms</td>
+<td style="text-align: right;">19.33 ms</td>
+<td style="text-align: right;">44000.0000</td>
+<td style="text-align: right;">8000.0000</td>
+<td style="text-align: right;">7000.0000</td>
+<td style="text-align: right;">220.67 MB</td>
+</tr>
+<tr>
+<td>IndexFiles</td>
+<td>4.8.0-beta00007</td>
+<td style="text-align: right;">617.2 ms</td>
+<td style="text-align: right;">8.44 ms</td>
+<td style="text-align: right;">11.83 ms</td>
+<td style="text-align: right;">44000.0000</td>
+<td style="text-align: right;">8000.0000</td>
+<td style="text-align: right;">7000.0000</td>
+<td style="text-align: right;">220.73 MB</td>
+</tr>
+<tr>
+<td>IndexFiles</td>
+<td>4.8.0-beta00008</td>
+<td style="text-align: right;">620.6 ms</td>
+<td style="text-align: right;">5.62 ms</td>
+<td style="text-align: right;">8.41 ms</td>
+<td style="text-align: right;">44000.0000</td>
+<td style="text-align: right;">8000.0000</td>
+<td style="text-align: right;">7000.0000</td>
+<td style="text-align: right;">221.06 MB</td>
+</tr>
+<tr>
+<td>IndexFiles</td>
+<td>4.8.0-beta00009</td>
+<td style="text-align: right;">632.8 ms</td>
+<td style="text-align: right;">12.57 ms</td>
+<td style="text-align: right;">18.43 ms</td>
+<td style="text-align: right;">44000.0000</td>
+<td style="text-align: right;">8000.0000</td>
+<td style="text-align: right;">7000.0000</td>
+<td style="text-align: right;">220.95 MB</td>
+</tr>
+<tr>
+<td>IndexFiles</td>
+<td>4.8.0-beta00010</td>
+<td style="text-align: right;">862.3 ms</td>
+<td style="text-align: right;">51.13 ms</td>
+<td style="text-align: right;">74.95 ms</td>
+<td style="text-align: right;">44000.0000</td>
+<td style="text-align: right;">8000.0000</td>
+<td style="text-align: right;">7000.0000</td>
+<td style="text-align: right;">221.22 MB</td>
+</tr>
+<tr>
+<td>IndexFiles</td>
+<td>4.8.0-beta00011</td>
+<td style="text-align: right;">636.5 ms</td>
+<td style="text-align: right;">11.06 ms</td>
+<td style="text-align: right;">15.87 ms</td>
+<td style="text-align: right;">44000.0000</td>
+<td style="text-align: right;">8000.0000</td>
+<td style="text-align: right;">7000.0000</td>
+<td style="text-align: right;">221.09 MB</td>
+</tr>
+<tr>
+<td>IndexFiles</td>
+<td>4.8.0-beta00012</td>
+<td style="text-align: right;">668.8 ms</td>
+<td style="text-align: right;">14.78 ms</td>
+<td style="text-align: right;">21.66 ms</td>
+<td style="text-align: right;">56000.0000</td>
+<td style="text-align: right;">7000.0000</td>
+<td style="text-align: right;">6000.0000</td>
+<td style="text-align: right;">286.63 MB</td>
+</tr>
+<tr>
+<td>IndexFiles</td>
+<td>4.8.0-beta00013</td>
+<td style="text-align: right;">626.7 ms</td>
+<td style="text-align: right;">7.78 ms</td>
+<td style="text-align: right;">10.91 ms</td>
+<td style="text-align: right;">43000.0000</td>
+<td style="text-align: right;">8000.0000</td>
+<td style="text-align: right;">7000.0000</td>
+<td style="text-align: right;">219.8 MB</td>
+</tr>
+</tbody>
+</table>
+</details>
+<h4 id="search-files">Search Files</h4>
+<details>
+  <summary>Click to expand</summary>
+<pre><code class="lang-ini">
+BenchmarkDotNet=v0.12.1, OS=Windows 10.0.19041.630 (2004/?/20H1)
+Intel Core i7-8850H CPU 2.60GHz (Coffee Lake), 1 CPU, 12 logical and 6 physical cores
+.NET Core SDK=5.0.100
+  [Host]          : .NET Core 3.1.9 (CoreCLR 4.700.20.47201, CoreFX 4.700.20.47203), X64 RyuJIT
+  4.8.0-beta00005 : .NET Core 3.1.9 (CoreCLR 4.700.20.47201, CoreFX 4.700.20.47203), X64 RyuJIT
+  4.8.0-beta00006 : .NET Core 3.1.9 (CoreCLR 4.700.20.47201, CoreFX 4.700.20.47203), X64 RyuJIT
+  4.8.0-beta00007 : .NET Core 3.1.9 (CoreCLR 4.700.20.47201, CoreFX 4.700.20.47203), X64 RyuJIT
+  4.8.0-beta00008 : .NET Core 3.1.9 (CoreCLR 4.700.20.47201, CoreFX 4.700.20.47203), X64 RyuJIT
+  4.8.0-beta00009 : .NET Core 3.1.9 (CoreCLR 4.700.20.47201, CoreFX 4.700.20.47203), X64 RyuJIT
+  4.8.0-beta00010 : .NET Core 3.1.9 (CoreCLR 4.700.20.47201, CoreFX 4.700.20.47203), X64 RyuJIT
+  4.8.0-beta00011 : .NET Core 3.1.9 (CoreCLR 4.700.20.47201, CoreFX 4.700.20.47203), X64 RyuJIT
+  4.8.0-beta00012 : .NET Core 3.1.9 (CoreCLR 4.700.20.47201, CoreFX 4.700.20.47203), X64 RyuJIT
+  4.8.0-beta00013 : .NET Core 3.1.9 (CoreCLR 4.700.20.47201, CoreFX 4.700.20.47203), X64 RyuJIT
+
+IterationCount=15  LaunchCount=2  WarmupCount=10  
+
+</code></pre>
+<table>
+<thead>
+<tr>
+<th>Method</th>
+<th>Job</th>
+<th style="text-align: right;">Mean</th>
+<th style="text-align: right;">Error</th>
+<th style="text-align: right;">StdDev</th>
+<th style="text-align: right;">Gen 0</th>
+<th style="text-align: right;">Gen 1</th>
+<th style="text-align: right;">Gen 2</th>
+<th style="text-align: right;">Allocated</th>
+</tr>
+</thead>
+<tbody>
+<tr>
+<td>SearchFiles</td>
+<td>4.8.0-beta00005</td>
+<td style="text-align: right;">274.8 ms</td>
+<td style="text-align: right;">7.01 ms</td>
+<td style="text-align: right;">10.28 ms</td>
+<td style="text-align: right;">18000.0000</td>
+<td style="text-align: right;">1000.0000</td>
+<td style="text-align: right;">-</td>
+<td style="text-align: right;">82.12 MB</td>
+</tr>
+<tr>
+<td>SearchFiles</td>
+<td>4.8.0-beta00006</td>
+<td style="text-align: right;">283.4 ms</td>
+<td style="text-align: right;">7.78 ms</td>
+<td style="text-align: right;">11.64 ms</td>
+<td style="text-align: right;">18000.0000</td>
+<td style="text-align: right;">1000.0000</td>
+<td style="text-align: right;">-</td>
+<td style="text-align: right;">82.13 MB</td>
+</tr>
+<tr>
+<td>SearchFiles</td>
+<td>4.8.0-beta00007</td>
+<td style="text-align: right;">291.5 ms</td>
+<td style="text-align: right;">8.91 ms</td>
+<td style="text-align: right;">13.33 ms</td>
+<td style="text-align: right;">18000.0000</td>
+<td style="text-align: right;">1000.0000</td>
+<td style="text-align: right;">-</td>
+<td style="text-align: right;">81.9 MB</td>
+</tr>
+<tr>
+<td>SearchFiles</td>
+<td>4.8.0-beta00008</td>
+<td style="text-align: right;">162.3 ms</td>
+<td style="text-align: right;">5.50 ms</td>
+<td style="text-align: right;">8.23 ms</td>
+<td style="text-align: right;">17000.0000</td>
+<td style="text-align: right;">1000.0000</td>
+<td style="text-align: right;">-</td>
+<td style="text-align: right;">80.13 MB</td>
+</tr>
+<tr>
+<td>SearchFiles</td>
+<td>4.8.0-beta00009</td>
+<td style="text-align: right;">165.6 ms</td>
+<td style="text-align: right;">2.61 ms</td>
+<td style="text-align: right;">3.90 ms</td>
+<td style="text-align: right;">17000.0000</td>
+<td style="text-align: right;">-</td>
+<td style="text-align: right;">-</td>
+<td style="text-align: right;">80.13 MB</td>
+</tr>
+<tr>
+<td>SearchFiles</td>
+<td>4.8.0-beta00010</td>
+<td style="text-align: right;">159.4 ms</td>
+<td style="text-align: right;">2.84 ms</td>
+<td style="text-align: right;">4.17 ms</td>
+<td style="text-align: right;">17000.0000</td>
+<td style="text-align: right;">1000.0000</td>
+<td style="text-align: right;">-</td>
+<td style="text-align: right;">79.85 MB</td>
+</tr>
+<tr>
+<td>SearchFiles</td>
+<td>4.8.0-beta00011</td>
+<td style="text-align: right;">160.8 ms</td>
+<td style="text-align: right;">1.93 ms</td>
+<td style="text-align: right;">2.77 ms</td>
+<td style="text-align: right;">17000.0000</td>
+<td style="text-align: right;">1000.0000</td>
+<td style="text-align: right;">-</td>
+<td style="text-align: right;">79.85 MB</td>
+</tr>
+<tr>
+<td>SearchFiles</td>
+<td>4.8.0-beta00012</td>
+<td style="text-align: right;">169.2 ms</td>
+<td style="text-align: right;">6.48 ms</td>
+<td style="text-align: right;">9.49 ms</td>
+<td style="text-align: right;">18000.0000</td>
+<td style="text-align: right;">1000.0000</td>
+<td style="text-align: right;">-</td>
+<td style="text-align: right;">81.11 MB</td>
+</tr>
+<tr>
+<td>SearchFiles</td>
+<td>4.8.0-beta00013</td>
+<td style="text-align: right;">161.6 ms</td>
+<td style="text-align: right;">3.28 ms</td>
+<td style="text-align: right;">4.80 ms</td>
+<td style="text-align: right;">14000.0000</td>
+<td style="text-align: right;">1000.0000</td>
+<td style="text-align: right;">-</td>
+<td style="text-align: right;">65.78 MB</td>
+</tr>
+</tbody>
+</table>
+</details>
+<h2 id="change-log">Change Log</h2>
+<h3 id="breaking-changes">Breaking Changes</h3>
+<ul>
+<li><code>Lucene.Net.Search.FieldCache</code>: Added interface <code>ICreationPlaceholder</code> and changed <code>CreationPlaceholder</code> class to <code>CreationPlaceHolder&lt;TValue&gt;</code>.</li>
+</ul>
+<h3 id="bugs">Bugs</h3>
+<ul>
+<li><a href="https://github.com/apache/lucenenet/pull/356">#356</a> - <code>Lucene.Net.Store.NativeFSLockFactory</code>: Modified options to allow read access on non-Windows operating systems. This caused the copy constructor of <code>RAMDirectory</code> to throw &quot;The process cannot access the file 'file path' because it is being used by another process&quot; excpetions.</li>
+<li><a href="https://github.com/apache/lucenenet/pull/296">#296</a> - <code>Lucene.Net.Util.Automaton.State</code>: Removed <code>Equals()</code> implementation; it was intended to use reference equality as a unique key. This caused random <code>IndexOperationException</code>s to occur when using <code>FuzzyTermsEnum</code>/<code>FuzzyQuery</code>.</li>
+<li><a href="https://github.com/apache/lucenenet/pull/387">#387</a> - Fixed formatting in <code>ArgumentException</code> message for all analyzer factories so it will display the dictionary contents</li>
+<li><a href="https://github.com/apache/lucenenet/pull/387">#387</a> - Lucene.Net.Util.ExceptionExtensions.GetSuppressedAsList(): Use <code>J2N.Collections.Generic.List&lt;T&gt;</code> so the call to <code>ToString()</code> will automatically list the exception messages</li>
+<li><a href="https://github.com/apache/lucenenet/pull/387">#387</a> - <code>Lucene.Net.TestFramework.Analysis.MockTokenizer</code>: Pass the <code>AttributeFactory</code> argument that is provided as per the documentation comment. Note this bug exists in Lucene 4.8.0, also.</li>
+<li><a href="https://github.com/apache/lucenenet/pull/387">#387</a> - <code>Lucene.Net.Analysis.Common.Tartarus.Snowball.Among</code>: Fixed <code>MethodObject</code> property to return private field instead of itself</li>
+<li><a href="https://github.com/apache/lucenenet/pull/387">#387</a> - <code>Lucene.Net.Document.CompressionTools</code>: Pass the offset and length to the underlying <code>MemoryStream</code></li>
+<li><a href="https://github.com/apache/lucenenet/pull/388">#388</a> - Downgraded minimum required <code>Microsoft.Extensions.Configuration</code> version to 2.0.0 on .NET Standard 2.0 and 2.1</li>
+</ul>
+<h3 id="improvements">Improvements</h3>
+<ul>
+<li>Updated code examples on website home page
+<ol>
+<li>Show cross-OS examples of building <code>Directory</code> paths</li>
+<li>Demonstrate where to put <code>using</code> statements</li>
+<li>Removed LinqPad's <code>Dump()</code> method and replaced with <code>Console.WriteLine()</code> for clarity</li>
+<li>Fixed syntax error in initialization example of <code>MultiPhraseQuery</code></li>
+</ol>
+</li>
+<li>Upgraded NuGet dependency J2N to 2.0.0-beta-0010</li>
+<li>Upgraded NuGet dependency ICU4N to 60.1.0-alpha.353</li>
+<li>Upgraded NuGet dependency Morfologik.Stemming to 2.1.7-beta-0001</li>
+<li><a href="https://github.com/apache/lucenenet/pull/344">#344</a> - <strong>PERFORMANCE</strong>: <code>Lucene.Net.Search.FieldCacheImpl</code>: Removed unnecessary dictionary lookup</li>
+<li><a href="https://github.com/apache/lucenenet/pull/352">#352</a> - Added Azure DevOps tests for x86 on all platforms</li>
+<li><a href="https://github.com/apache/lucenenet/pull/348">#348</a> - <strong>PERFORMANCE</strong>: Reduced <code>FieldCacheImpl</code> casting/boxing</li>
+<li><a href="https://github.com/apache/lucenenet/pull/355">#355</a> - Setup nightly build (<a href="https://dev.azure.com/lucene-net/Lucene.NET/_build?definitionId=4">https://dev.azure.com/lucene-net/Lucene.NET/_build?definitionId=4</a>)</li>
+<li><strong>PERFORMANCE</strong>: <code>Lucene.Net.Util.Automaton.SortedInt32Set</code>: Removed unnecessary <code>IEquatable&lt;T&gt;</code> implementations and converted <code>FrozenInt32Set</code> into a struct.</li>
+<li><strong>PERFORMANCE</strong>: <code>Lucene.Net.Util.Bits</code>: Removed unnecessary <code>GetHashCode()</code> method from <code>MatchAllBits</code> and <code>MatchNoBits</code> (didn't exist in Lucene)</li>
+<li><code>Lucene.Net.Util.Counter</code>: Changed Get() to Value property and added implicit operator.</li>
+<li><a href="https://github.com/apache/lucenenet/pull/361">#361</a> - Make <code>CreateDirectory()</code> method virtual so that derived classes can provide their own <code>Directory</code> implementation, allowing for benchmarking of custom <code>Directory</code> providers (e.q LiteDB)</li>
+<li><a href="https://github.com/apache/lucenenet/pull/346">#346</a>, <a href="https://github.com/apache/lucenenet/pull/383">#383</a> - <strong>PERFORMANCE</strong>: Change delegate overloads of <code>Debugging.Assert()</code> to use generic parameters and <code>string.Format()</code> to reduce allocations. Use <code>J2N.Text.StringFormatter</code> to automatically format arrays and collections so the processing of converting it to a string is deferred until an assert fails.</li>
+<li><a href="https://github.com/apache/lucenenet/pull/296">#296</a> - <strong>PERFORMANCE</strong>: <code>Lucene.Net..Index</code>: Calling <code>IndexOptions.CompareTo()</code> causes boxing. Added new <code>IndexOptionsComparer</code> class to be used in codecs instead.</li>
+<li><a href="https://github.com/apache/lucenenet/pull/387">#387</a> - Fixed or Suppressed Code Analysis Rules
+<ul>
+<li><a href="https://docs.microsoft.com/en-us/dotnet/fundamentals/code-analysis/quality-rules/ca1012">CA1012</a>: Abstract types should not have constructors</li>
+<li><a href="https://docs.microsoft.com/en-us/dotnet/fundamentals/code-analysis/quality-rules/ca1052">CA1052</a>: Static holder types should be Static or NotInheritable</li>
+<li><a href="https://docs.microsoft.com/en-us/dotnet/fundamentals/code-analysis/quality-rules/ca1063">CA1063</a>: Implement IDisposable Properly (except for IndexWriter). Partially addresses <a href="https://github.com/apache/lucenenet/pull/265">#265</a>.</li>
+<li><a href="https://docs.microsoft.com/en-us/dotnet/fundamentals/code-analysis/quality-rules/ca1507">CA1507</a>: Use nameof instead of string (<a href="https://github.com/apache/lucenenet/pull/366">#366</a>)</li>
+<li><a href="https://docs.microsoft.com/en-us/dotnet/fundamentals/code-analysis/quality-rules/ca1802">CA1802</a>: Use Literals Where Appropriate</li>
+<li><a href="https://docs.microsoft.com/en-us/dotnet/fundamentals/code-analysis/quality-rules/ca1810">CA1810</a>: Initialize reference type static fields inline</li>
+<li><a href="https://docs.microsoft.com/en-us/dotnet/fundamentals/code-analysis/quality-rules/ca1815">CA1815</a>: Override equals and operator equals on value types</li>
+<li><a href="https://docs.microsoft.com/en-us/dotnet/fundamentals/code-analysis/quality-rules/ca1819">CA1819</a>: Properties should not return arrays</li>
+<li><a href="https://docs.microsoft.com/en-us/dotnet/fundamentals/code-analysis/quality-rules/ca1820">CA1820</a>: Test for empty strings using string length</li>
+<li><a href="https://docs.microsoft.com/en-us/dotnet/fundamentals/code-analysis/quality-rules/ca1822">CA1822</a>: Mark members as static</li>
+<li><a href="https://docs.microsoft.com/en-us/dotnet/fundamentals/code-analysis/quality-rules/ca1825">CA1825</a>: Avoid zero-length array allocations</li>
+<li><a href="https://docs.microsoft.com/en-us/dotnet/fundamentals/code-analysis/quality-rules/ca2213">CA2213</a>: Disposable fields should be disposed (except for <code>IndexWriter</code> and subclasses which need more work)</li>
+<li><a href="https://docs.microsoft.com/en-us/dotnet/fundamentals/code-analysis/style-rules/ide0016">IDE0016</a>: use throw expression (<a href="https://github.com/apache/lucenenet/pull/368">#368</a>)</li>
+<li><a href="https://docs.microsoft.com/en-us/dotnet/fundamentals/code-analysis/style-rules/ide0018">IDE0018</a>: Inline variable declaration</li>
+<li><a href="https://docs.microsoft.com/en-us/dotnet/fundamentals/code-analysis/style-rules/ide0019">IDE0019</a>: Use pattern matching to avoid 'is' check followed by a cast</li>
+<li><a href="https://docs.microsoft.com/en-us/dotnet/fundamentals/code-analysis/style-rules/ide0020-ide0038">IDE0020</a>: Use pattern matching to avoid 'is' check followed by a cast</li>
+<li><a href="https://docs.microsoft.com/en-us/dotnet/fundamentals/code-analysis/style-rules/ide0021">IDE0021</a>: Use block body for constructors</li>
+<li><a href="https://docs.microsoft.com/en-us/dotnet/fundamentals/code-analysis/style-rules/ide0025">IDE0025</a>: Use expression body for properties</li>
+<li><a href="https://docs.microsoft.com/en-us/dotnet/fundamentals/code-analysis/style-rules/ide0027">IDE0027</a>: Use expression body for accessors</li>
+<li><a href="https://docs.microsoft.com/en-us/dotnet/fundamentals/code-analysis/style-rules/ide0028">IDE0028</a>: Use collection initializers</li>
+<li><a href="https://docs.microsoft.com/en-us/dotnet/fundamentals/code-analysis/style-rules/ide0029-ide0030">IDE0029</a>: Use coalesce expression</li>
+<li><a href="https://docs.microsoft.com/en-us/dotnet/fundamentals/code-analysis/style-rules/ide0029-ide0030">IDE0030</a>: Use coalesce expression (nullable)</li>
+<li><a href="https://docs.microsoft.com/en-us/dotnet/fundamentals/code-analysis/style-rules/ide0031">IDE0031</a>: Use null propagation</li>
+<li><a href="https://docs.microsoft.com/en-us/dotnet/fundamentals/code-analysis/style-rules/ide0034">IDE0034</a>: Simplify 'default' expression</li>
+<li><a href="https://docs.microsoft.com/en-us/dotnet/fundamentals/code-analysis/style-rules/ide0020-ide0038">IDE0038</a>: Use pattern matching to avoid 'is' check followed by a cast</li>
+<li><a href="https://docs.microsoft.com/en-us/dotnet/fundamentals/code-analysis/style-rules/ide0039">IDE0039</a>: Use local function</li>
+<li><a href="https://docs.microsoft.com/en-us/dotnet/fundamentals/code-analysis/style-rules/ide0040">IDE0040</a>: Add accessibility modifiers</li>
+<li><a href="https://docs.microsoft.com/en-us/dotnet/fundamentals/code-analysis/style-rules/ide0041">IDE0041</a>: Use is null check</li>
+<li><a href="https://docs.microsoft.com/en-us/dotnet/fundamentals/code-analysis/style-rules/ide0049">IDE0049</a>: Use language keywords instead of framework type names for type references</li>
+<li><a href="https://docs.microsoft.com/en-us/dotnet/fundamentals/code-analysis/style-rules/ide0051">IDE0051</a>: Remove unused private member</li>
+<li><a href="https://docs.microsoft.com/en-us/dotnet/fundamentals/code-analysis/style-rules/ide0052">IDE0052</a>: Remove unread private member</li>
+<li><a href="https://docs.microsoft.com/en-us/dotnet/fundamentals/code-analysis/style-rules/ide0059">IDE0059</a>: Remove unnecessary value assignment</li>
+<li><a href="https://docs.microsoft.com/en-us/dotnet/fundamentals/code-analysis/style-rules/ide0060">IDE0060</a>: Remove unused parameter</li>
+<li><a href="https://docs.microsoft.com/en-us/dotnet/fundamentals/code-analysis/style-rules/ide0063">IDE0063</a>: Use simple 'using' statement</li>
+<li><a href="https://docs.microsoft.com/en-us/dotnet/fundamentals/code-analysis/style-rules/ide0071">IDE0071</a>: Simplify interpolation</li>
+<li><a href="https://docs.microsoft.com/en-us/dotnet/fundamentals/code-analysis/style-rules/ide1005">IDE1005</a>: Use conditional delegate call</li>
+<li><a href="https://docs.microsoft.com/en-us/dotnet/fundamentals/code-analysis/style-rules/naming-rules">IDE1006</a>: Naming Styles</li>
+</ul>
+</li>
+<li><a href="https://github.com/apache/lucenenet/pull/387">#387</a> - Removed dead code/commented code</li>
+<li><a href="https://github.com/apache/lucenenet/pull/387">#387</a> - <strong>PERFORMANCE</strong>: Added aggressive inlining in Codecs and Util namespaces</li>
+<li><a href="https://github.com/apache/lucenenet/pull/387">#387</a> - Simplified reuse logic of <code>TermsEnum</code> subclasses</li>
+<li><a href="https://github.com/apache/lucenenet/pull/387">#387</a> - <strong>PERFORMANCE</strong>: <code>Lucene.Net.Index.DocValuesProducer</code>: Optimized checks in <code>AddXXXField()</code> methods</li>
+<li><a href="https://github.com/apache/lucenenet/pull/387">#387</a> - <strong>PERFORMANCE</strong>: <code>Lucene.Net.Index</code>: Changed <code>FieldInfos</code>, <code>FreqProxTermsWriterPerField</code>, <code>IndexWriter</code>, <code>LogMergePolicy</code>, <code>SegmentCoreReaders</code>, and <code>SegmentReader</code> to take advantage of the fact that <code>TryGetValue()</code> returns a boolean</li>
+<li><a href="https://github.com/apache/lucenenet/pull/370">#370</a>, <a href="https://github.com/apache/lucenenet/pull/389">#389</a> - Reverted <code>FieldCacheImpl</code> delegate capture introduced in <a href="https://github.com/apache/lucenenet/pull/348">#348</a></li>
+<li><a href="https://github.com/apache/lucenenet/pull/390">#390</a> - Added tests for .NET 5</li>
+<li><a href="https://github.com/apache/lucenenet/pull/390">#390</a> - Upgraded to C# LangVersion 9.0</li>
+</ul>
+<h3 id="new-features">New Features</h3>
+<ul>
+<li><a href="https://github.com/apache/lucenenet/pull/358">#358</a> - Added Community Links page to website</li>
+<li><a href="https://github.com/apache/lucenenet/pull/359">#359</a> - Added builds mailing list to website</li>
+<li><a href="https://github.com/apache/lucenenet/pull/365">#365</a> - Added &quot;Fork me on GitHub&quot; to website and API docs</li>
+<li><code>Lucene.Net.TestFramework</code>: Added <code>Assert.DoesNotThrow()</code> overloads</li>
+</ul>
+</article>
+          </div>
+          
+          <div class="hidden-sm col-md-2" role="complementary">
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+                  </li>
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diff --git a/xrefmap.yml b/xrefmap.yml
index 7b5dc05..7cb42a6 100644
--- a/xrefmap.yml
+++ b/xrefmap.yml
@@ -52,3 +52,6 @@
 - uid: download/4.8.0-beta00012
   name: Download Lucene.Net 4.8.0-beta00012
   href: download/version-4.8.0-beta00012.html
+- uid: releasenotes/4.8.0-beta00013
+  name: Lucene.NET 4.8.0-beta00013 Release Notes
+  href: release-notes/version-4.8.0-beta00013.html