Prepare Voyager 2.2.1 release

README.md

@@ -34,7 +34,7 @@ Add the following artifact to your `pom.xml`:
 <dependency>
   <groupId>com.spotify</groupId>
   <artifactId>voyager</artifactId>
-  <version>2.2.0</version>
+  <version>2.2.1</version>
 </dependency>
 ```
 You can find the latest version on [Voyager's Releases page](https://github.com/spotify/voyager/releases).
@@ -43,7 +43,7 @@ You can find the latest version on [Voyager's Releases page](https://github.com/
 
 Add the following artifact to your `build.sbt`:
 ```sbt
-"com.spotify" % "voyager" % "2.2.0"
+"com.spotify" % "voyager" % "2.2.1"
 ```
 You can find the latest version on [Voyager's Releases page](https://github.com/spotify/voyager/releases).
 

docs/java/allclasses-index.html

@@ -1,18 +1,18 @@
 <!DOCTYPE HTML>
 <html lang="en">
 <head>
-<!-- Generated by javadoc (17) on Fri Oct 09 16:46:37 EDT 2026 -->
-<title>All Classes and Interfaces (voyager 2.2.0 API)</title>
+<!-- Generated by javadoc (17) on Fri Oct 16 16:31:11 EDT 2026 -->
+<title>All Classes and Interfaces (voyager 2.2.1 API)</title>
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
-<meta name="dc.created" content="2026-10-09">
+<meta name="dc.created" content="2026-10-16">
 <meta name="description" content="class index">
 <meta name="generator" content="javadoc/AllClassesIndexWriter">
 <link rel="stylesheet" type="text/css" href="stylesheet.css" title="Style">
 <link rel="stylesheet" type="text/css" href="script-dir/jquery-ui.min.css" title="Style">
 <link rel="stylesheet" type="text/css" href="jquery-ui.overrides.css" title="Style">
 <script type="text/javascript" src="script.js"></script>
-<script type="text/javascript" src="script-dir/jquery-3.6.1.min.js"></script>
+<script type="text/javascript" src="script-dir/jquery-3.7.1.min.js"></script>
 <script type="text/javascript" src="script-dir/jquery-ui.min.js"></script>
 </head>
 <body class="all-classes-index-page">
@@ -57,8 +57,8 @@ <h1 title="All Classes and Interfaces" class="title">All Classes and Interfaces<
 </div>
 <div id="all-classes-table">
 <div class="table-tabs" role="tablist" aria-orientation="horizontal"><button id="all-classes-table-tab0" role="tab" aria-selected="true" aria-controls="all-classes-table.tabpanel" tabindex="0" onkeydown="switchTab(event)" onclick="show('all-classes-table', 'all-classes-table', 2)" class="active-table-tab">All Classes and Interfaces</button><button id="all-classes-table-tab2" role="tab" aria-selected="false" aria-controls="all-classes-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('all-classes-table', 'all-classes-table-tab2', 2)" class="table-tab">Classes</button><button id="all-classes-table-tab3" role="tab" aria-selected="false" aria-controls="all-classes-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('all-classes-table', 'all-classes-table-tab3', 2)" class="table-tab">Enums</button><button id="all-classes-table-tab5" role="tab" aria-selected="false" aria-controls="all-classes-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('all-classes-table', 'all-classes-table-tab5', 2)" class="table-tab">Exceptions</button></div>
-<div id="all-classes-table.tabpanel" role="tabpanel">
-<div class="summary-table two-column-summary" aria-labelledby="all-classes-table-tab0">
+<div id="all-classes-table.tabpanel" role="tabpanel" aria-labelledby="all-classes-table-tab0">
+<div class="summary-table two-column-summary">
 <div class="table-header col-first">Class</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color all-classes-table all-classes-table-tab2"><a href="com/spotify/voyager/jni/Index.html" title="class in com.spotify.voyager.jni">Index</a></div>

docs/java/allpackages-index.html

@@ -1,18 +1,18 @@
 <!DOCTYPE HTML>
 <html lang="en">
 <head>
-<!-- Generated by javadoc (17) on Fri Oct 09 16:46:37 EDT 2026 -->
-<title>All Packages (voyager 2.2.0 API)</title>
+<!-- Generated by javadoc (17) on Fri Oct 16 16:31:11 EDT 2026 -->
+<title>All Packages (voyager 2.2.1 API)</title>
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
-<meta name="dc.created" content="2026-10-09">
+<meta name="dc.created" content="2026-10-16">
 <meta name="description" content="package index">
 <meta name="generator" content="javadoc/AllPackagesIndexWriter">
 <link rel="stylesheet" type="text/css" href="stylesheet.css" title="Style">
 <link rel="stylesheet" type="text/css" href="script-dir/jquery-ui.min.css" title="Style">
 <link rel="stylesheet" type="text/css" href="jquery-ui.overrides.css" title="Style">
 <script type="text/javascript" src="script.js"></script>
-<script type="text/javascript" src="script-dir/jquery-3.6.1.min.js"></script>
+<script type="text/javascript" src="script-dir/jquery-3.7.1.min.js"></script>
 <script type="text/javascript" src="script-dir/jquery-ui.min.js"></script>
 </head>
 <body class="all-packages-index-page">

docs/java/com/spotify/voyager/jni/Index.QueryResults.html

@@ -1,18 +1,18 @@
 <!DOCTYPE HTML>
 <html lang="en">
 <head>
-<!-- Generated by javadoc (17) on Fri Oct 09 16:46:37 EDT 2026 -->
-<title>Index.QueryResults (voyager 2.2.0 API)</title>
+<!-- Generated by javadoc (17) on Fri Oct 16 16:31:11 EDT 2026 -->
+<title>Index.QueryResults (voyager 2.2.1 API)</title>
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
-<meta name="dc.created" content="2026-10-09">
+<meta name="dc.created" content="2026-10-16">
 <meta name="description" content="declaration: package: com.spotify.voyager.jni, class: Index, class: QueryResults">
 <meta name="generator" content="javadoc/ClassWriterImpl">
 <link rel="stylesheet" type="text/css" href="../../../../stylesheet.css" title="Style">
 <link rel="stylesheet" type="text/css" href="../../../../script-dir/jquery-ui.min.css" title="Style">
 <link rel="stylesheet" type="text/css" href="../../../../jquery-ui.overrides.css" title="Style">
 <script type="text/javascript" src="../../../../script.js"></script>
-<script type="text/javascript" src="../../../../script-dir/jquery-3.6.1.min.js"></script>
+<script type="text/javascript" src="../../../../script-dir/jquery-3.7.1.min.js"></script>
 <script type="text/javascript" src="../../../../script-dir/jquery-ui.min.js"></script>
 </head>
 <body class="class-declaration-page">
@@ -134,8 +134,8 @@ <h2>Constructor Summary</h2>
 <h2>Method Summary</h2>
 <div id="method-summary-table">
 <div class="table-tabs" role="tablist" aria-orientation="horizontal"><button id="method-summary-table-tab0" role="tab" aria-selected="true" aria-controls="method-summary-table.tabpanel" tabindex="0" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table', 3)" class="active-table-tab">All Methods</button><button id="method-summary-table-tab2" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab2', 3)" class="table-tab">Instance Methods</button><button id="method-summary-table-tab4" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab4', 3)" class="table-tab">Concrete Methods</button></div>
-<div id="method-summary-table.tabpanel" role="tabpanel">
-<div class="summary-table three-column-summary" aria-labelledby="method-summary-table-tab0">
+<div id="method-summary-table.tabpanel" role="tabpanel" aria-labelledby="method-summary-table-tab0">
+<div class="summary-table three-column-summary">
 <div class="table-header col-first">Modifier and Type</div>
 <div class="table-header col-second">Method</div>
 <div class="table-header col-last">Description</div>

docs/java/com/spotify/voyager/jni/Index.SpaceType.html

@@ -1,18 +1,18 @@
 <!DOCTYPE HTML>
 <html lang="en">
 <head>
-<!-- Generated by javadoc (17) on Fri Oct 09 16:46:37 EDT 2026 -->
-<title>Index.SpaceType (voyager 2.2.0 API)</title>
+<!-- Generated by javadoc (17) on Fri Oct 16 16:31:11 EDT 2026 -->
+<title>Index.SpaceType (voyager 2.2.1 API)</title>
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
-<meta name="dc.created" content="2026-10-09">
+<meta name="dc.created" content="2026-10-16">
 <meta name="description" content="declaration: package: com.spotify.voyager.jni, class: Index, enum: SpaceType">
 <meta name="generator" content="javadoc/ClassWriterImpl">
 <link rel="stylesheet" type="text/css" href="../../../../stylesheet.css" title="Style">
 <link rel="stylesheet" type="text/css" href="../../../../script-dir/jquery-ui.min.css" title="Style">
 <link rel="stylesheet" type="text/css" href="../../../../jquery-ui.overrides.css" title="Style">
 <script type="text/javascript" src="../../../../script.js"></script>
-<script type="text/javascript" src="../../../../script-dir/jquery-3.6.1.min.js"></script>
+<script type="text/javascript" src="../../../../script-dir/jquery-3.7.1.min.js"></script>
 <script type="text/javascript" src="../../../../script-dir/jquery-ui.min.js"></script>
 </head>
 <body class="class-declaration-page">
@@ -126,8 +126,8 @@ <h2>Enum Constant Summary</h2>
 <h2>Method Summary</h2>
 <div id="method-summary-table">
 <div class="table-tabs" role="tablist" aria-orientation="horizontal"><button id="method-summary-table-tab0" role="tab" aria-selected="true" aria-controls="method-summary-table.tabpanel" tabindex="0" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table', 3)" class="active-table-tab">All Methods</button><button id="method-summary-table-tab1" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab1', 3)" class="table-tab">Static Methods</button><button id="method-summary-table-tab4" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab4', 3)" class="table-tab">Concrete Methods</button></div>
-<div id="method-summary-table.tabpanel" role="tabpanel">
-<div class="summary-table three-column-summary" aria-labelledby="method-summary-table-tab0">
+<div id="method-summary-table.tabpanel" role="tabpanel" aria-labelledby="method-summary-table-tab0">
+<div class="summary-table three-column-summary">
 <div class="table-header col-first">Modifier and Type</div>
 <div class="table-header col-second">Method</div>
 <div class="table-header col-last">Description</div>
@@ -214,7 +214,7 @@ <h3>valueOf</h3>
 <div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type"><a href="Index.SpaceType.html" title="enum in com.spotify.voyager.jni">Index.SpaceType</a></span>&nbsp;<span class="element-name">valueOf</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;name)</span></div>
 <div class="block">Returns the enum constant of this type with the specified name.
 The string must match <i>exactly</i> an identifier used to declare an
-enum constant in this type.  (Extraneous whitespace characters are 
+enum constant in this type.  (Extraneous whitespace characters are
 not permitted.)</div>
 <dl class="notes">
 <dt>Parameters:</dt>

docs/java/com/spotify/voyager/jni/Index.StorageDataType.html

@@ -1,18 +1,18 @@
 <!DOCTYPE HTML>
 <html lang="en">
 <head>
-<!-- Generated by javadoc (17) on Fri Oct 09 16:46:37 EDT 2026 -->
-<title>Index.StorageDataType (voyager 2.2.0 API)</title>
+<!-- Generated by javadoc (17) on Fri Oct 16 16:31:11 EDT 2026 -->
+<title>Index.StorageDataType (voyager 2.2.1 API)</title>
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
-<meta name="dc.created" content="2026-10-09">
+<meta name="dc.created" content="2026-10-16">
 <meta name="description" content="declaration: package: com.spotify.voyager.jni, class: Index, enum: StorageDataType">
 <meta name="generator" content="javadoc/ClassWriterImpl">
 <link rel="stylesheet" type="text/css" href="../../../../stylesheet.css" title="Style">
 <link rel="stylesheet" type="text/css" href="../../../../script-dir/jquery-ui.min.css" title="Style">
 <link rel="stylesheet" type="text/css" href="../../../../jquery-ui.overrides.css" title="Style">
 <script type="text/javascript" src="../../../../script.js"></script>
-<script type="text/javascript" src="../../../../script-dir/jquery-3.6.1.min.js"></script>
+<script type="text/javascript" src="../../../../script-dir/jquery-3.7.1.min.js"></script>
 <script type="text/javascript" src="../../../../script-dir/jquery-ui.min.js"></script>
 </head>
 <body class="class-declaration-page">
@@ -122,8 +122,8 @@ <h2>Enum Constant Summary</h2>
 <h2>Method Summary</h2>
 <div id="method-summary-table">
 <div class="table-tabs" role="tablist" aria-orientation="horizontal"><button id="method-summary-table-tab0" role="tab" aria-selected="true" aria-controls="method-summary-table.tabpanel" tabindex="0" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table', 3)" class="active-table-tab">All Methods</button><button id="method-summary-table-tab1" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab1', 3)" class="table-tab">Static Methods</button><button id="method-summary-table-tab4" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab4', 3)" class="table-tab">Concrete Methods</button></div>
-<div id="method-summary-table.tabpanel" role="tabpanel">
-<div class="summary-table three-column-summary" aria-labelledby="method-summary-table-tab0">
+<div id="method-summary-table.tabpanel" role="tabpanel" aria-labelledby="method-summary-table-tab0">
+<div class="summary-table three-column-summary">
 <div class="table-header col-first">Modifier and Type</div>
 <div class="table-header col-second">Method</div>
 <div class="table-header col-last">Description</div>
@@ -220,7 +220,7 @@ <h3>valueOf</h3>
 <div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type"><a href="Index.StorageDataType.html" title="enum in com.spotify.voyager.jni">Index.StorageDataType</a></span>&nbsp;<span class="element-name">valueOf</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;name)</span></div>
 <div class="block">Returns the enum constant of this type with the specified name.
 The string must match <i>exactly</i> an identifier used to declare an
-enum constant in this type.  (Extraneous whitespace characters are 
+enum constant in this type.  (Extraneous whitespace characters are
 not permitted.)</div>
 <dl class="notes">
 <dt>Parameters:</dt>

docs/java/com/spotify/voyager/jni/Index.html

@@ -1,18 +1,18 @@
 <!DOCTYPE HTML>
 <html lang="en">
 <head>
-<!-- Generated by javadoc (17) on Fri Oct 09 16:46:37 EDT 2026 -->
-<title>Index (voyager 2.2.0 API)</title>
+<!-- Generated by javadoc (17) on Fri Oct 16 16:31:11 EDT 2026 -->
+<title>Index (voyager 2.2.1 API)</title>
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
-<meta name="dc.created" content="2026-10-09">
+<meta name="dc.created" content="2026-10-16">
 <meta name="description" content="declaration: package: com.spotify.voyager.jni, class: Index">
 <meta name="generator" content="javadoc/ClassWriterImpl">
 <link rel="stylesheet" type="text/css" href="../../../../stylesheet.css" title="Style">
 <link rel="stylesheet" type="text/css" href="../../../../script-dir/jquery-ui.min.css" title="Style">
 <link rel="stylesheet" type="text/css" href="../../../../jquery-ui.overrides.css" title="Style">
 <script type="text/javascript" src="../../../../script.js"></script>
-<script type="text/javascript" src="../../../../script-dir/jquery-3.6.1.min.js"></script>
+<script type="text/javascript" src="../../../../script-dir/jquery-3.7.1.min.js"></script>
 <script type="text/javascript" src="../../../../script-dir/jquery-ui.min.js"></script>
 </head>
 <body class="class-declaration-page">
@@ -170,8 +170,8 @@ <h2>Constructor Summary</h2>
 <h2>Method Summary</h2>
 <div id="method-summary-table">
 <div class="table-tabs" role="tablist" aria-orientation="horizontal"><button id="method-summary-table-tab0" role="tab" aria-selected="true" aria-controls="method-summary-table.tabpanel" tabindex="0" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table', 3)" class="active-table-tab">All Methods</button><button id="method-summary-table-tab1" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab1', 3)" class="table-tab">Static Methods</button><button id="method-summary-table-tab2" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab2', 3)" class="table-tab">Instance Methods</button><button id="method-summary-table-tab4" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab4', 3)" class="table-tab">Concrete Methods</button></div>
-<div id="method-summary-table.tabpanel" role="tabpanel">
-<div class="summary-table three-column-summary" aria-labelledby="method-summary-table-tab0">
+<div id="method-summary-table.tabpanel" role="tabpanel" aria-labelledby="method-summary-table-tab0">
+<div class="summary-table three-column-summary">
 <div class="table-header col-first">Modifier and Type</div>
 <div class="table-header col-second">Method</div>
 <div class="table-header col-last">Description</div>