diff --git a/IPA.Loader/Loader/PluginInitInjector.cs b/IPA.Loader/Loader/PluginInitInjector.cs
index 89556778..06196c33 100644
--- a/IPA.Loader/Loader/PluginInitInjector.cs
+++ b/IPA.Loader/Loader/PluginInitInjector.cs
@@ -13,7 +13,7 @@ using Net3_Proxy;
 namespace IPA.Loader
 {
     /// <summary>
-    /// The type that handles value injecting into a plugin's Init.
+    /// The type that handles value injecting into a plugin's initialization methods.
     /// </summary>
     public static class PluginInitInjector
     {
diff --git a/IPA.Loader/Loader/PluginLoader.cs b/IPA.Loader/Loader/PluginLoader.cs
index 7cfa36c0..c1aa84fd 100644
--- a/IPA.Loader/Loader/PluginLoader.cs
+++ b/IPA.Loader/Loader/PluginLoader.cs
@@ -29,7 +29,7 @@ namespace IPA.Loader
     /// <summary>
     /// A type to manage the loading of plugins.
     /// </summary>
-    public class PluginLoader
+    internal class PluginLoader
     {
         internal static Task LoadTask() =>
             TaskEx.Run(() =>
@@ -201,7 +201,7 @@ namespace IPA.Loader
                             if (type.HasInterface(typeof(IPlugin).FullName))
                             {
                                 Logger.loader.Warn("Interface-based plugin found");
-                                meta.RuntimeOptions = RuntimeOptions.SingleDynamicInit;
+                                meta.IsAttributePlugin = false;
                                 meta.PluginType = type;
                                 return;
                             }
diff --git a/IPA.Loader/Loader/PluginManager.cs b/IPA.Loader/Loader/PluginManager.cs
index 8dc54a24..2c4e4488 100644
--- a/IPA.Loader/Loader/PluginManager.cs
+++ b/IPA.Loader/Loader/PluginManager.cs
@@ -30,9 +30,6 @@ namespace IPA.Loader
     {
 #pragma warning disable CS0618 // Type or member is obsolete (IPlugin)
         
-        /// <summary>
-        /// An <see cref="IEnumerable"/> of new Beat Saber plugins
-        /// </summary>
         private static List<PluginExecutor> _bsPlugins;
         internal static IEnumerable<PluginExecutor> BSMetas => _bsPlugins;
 
@@ -40,23 +37,15 @@ namespace IPA.Loader
         /// Gets info about the plugin with the specified name.
         /// </summary>
         /// <param name="name">the name of the plugin to get (must be an exact match)</param>
-        /// <returns>the plugin info for the requested plugin or null</returns>
+        /// <returns>the plugin metadata for the requested plugin or <see langword="null"/> if it doesn't exist or is disabled</returns>
         public static PluginMetadata GetPlugin(string name)
             => BSMetas.Select(p => p.Metadata).FirstOrDefault(p => p.Name == name);
 
-        /// <summary>
-        /// Gets info about the plugin with the specified ModSaber name.
-        /// </summary>
-        /// <param name="name">the ModSaber name of the plugin to get (must be an exact match)</param>
-        /// <returns>the plugin info for the requested plugin or null</returns>
-        [Obsolete("Old name. Use GetPluginFromId instead.")]
-        public static PluginMetadata GetPluginFromModSaberName(string name) => GetPluginFromId(name);
-
         /// <summary>
         /// Gets info about the plugin with the specified ID.
         /// </summary>
         /// <param name="name">the ID name of the plugin to get (must be an exact match)</param>
-        /// <returns>the plugin info for the requested plugin or null</returns>
+        /// <returns>the plugin metadata for the requested plugin or <see langword="null"/> if it doesn't exist or is disabled</returns>
         public static PluginMetadata GetPluginFromId(string name)
             => BSMetas.Select(p => p.Metadata).FirstOrDefault(p => p.Id == name);
 
@@ -245,7 +234,7 @@ namespace IPA.Loader
         /// </summary>
         /// <param name="plugin">the plugin that was enabled</param>
         /// <param name="needsRestart">whether it needs a restart to take effect</param>
-        public delegate void PluginEnableDelegate(PluginInfo plugin, bool needsRestart);
+        public delegate void PluginEnableDelegate(PluginMetadata plugin, bool needsRestart);
         /// <summary>
         /// An invoker for the <see cref="PluginDisabled"/> event.
         /// </summary>
@@ -265,7 +254,7 @@ namespace IPA.Loader
         /// <summary>
         /// Gets a list of all BSIPA plugins.
         /// </summary>
-        /// <value>a collection of all enabled plugins as <see cref="PluginInfo"/>s</value>
+        /// <value>a collection of all enabled plugins as <see cref="PluginMetadata"/>s</value>
         public static IEnumerable<PluginMetadata> AllPlugins => BSMetas.Select(p => p.Metadata);
 
         /*
@@ -284,7 +273,7 @@ namespace IPA.Loader
         */
 
         /// <summary>
-        /// An <see cref="IEnumerable"/> of old IPA plugins.
+        /// An <see cref="IEnumerable{T}"/> of old IPA plugins.
         /// </summary>
         /// <value>all legacy plugin instances</value>
         [Obsolete("I mean, IPlugin shouldn't be used, so why should this? Not renaming to extend support for old plugins.")]
diff --git a/IPA.Loader/Loader/PluginMetadata.cs b/IPA.Loader/Loader/PluginMetadata.cs
index 71259d83..c6a4f2fa 100644
--- a/IPA.Loader/Loader/PluginMetadata.cs
+++ b/IPA.Loader/Loader/PluginMetadata.cs
@@ -82,7 +82,14 @@ namespace IPA.Loader
             }
         }
 
+        /// <summary>
+        /// The <see cref="IPA.RuntimeOptions"/> that the plugin specified in its <see cref="PluginAttribute"/>.
+        /// </summary>
         public RuntimeOptions RuntimeOptions { get; internal set; }
+        /// <summary>
+        /// Whether the plugin referred to by this metadata object is a BSIPA 4 attribute plugin.
+        /// </summary>
+        /// <value><see langword="true"/> if the plugin is a BSIPA 4 plugin, <see langword="false"/> if it is a BSIPA 3 plugin.</value>
         public bool IsAttributePlugin { get; internal set; } = false;
 
         /// <summary>
diff --git a/IPA.Loader/PluginInterfaces/Attributes/LifecycleAttributes.cs b/IPA.Loader/PluginInterfaces/Attributes/LifecycleAttributes.cs
index cb577c36..59ec24b5 100644
--- a/IPA.Loader/PluginInterfaces/Attributes/LifecycleAttributes.cs
+++ b/IPA.Loader/PluginInterfaces/Attributes/LifecycleAttributes.cs
@@ -1,8 +1,4 @@
 using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
 
 namespace IPA
 {
@@ -18,24 +14,84 @@ namespace IPA
 
     // TODO: is there a better way to manage this mess?
 
+    /// <summary>
+    /// Indicates that the target method should be called when the plugin is enabled.
+    /// </summary>
+    /// <remarks>
+    /// <para>
+    /// This attribute is interchangable with <see cref="OnStartAttribute"/>, and is treated identically.
+    /// They are seperate to allow plugin code to more clearly describe the intent of the methods.
+    /// </para>
+    /// <para>
+    /// Typically, this will be used when the <see cref="RuntimeOptions"/> parameter of the plugins's
+    /// <see cref="PluginAttribute"/> is <see cref="RuntimeOptions.DynamicInit"/>.
+    /// </para>
+    /// </remarks>
+    /// <seealso cref="PluginAttribute"/>
+    /// <seealso cref="OnStartAttribute"/>
     [AttributeUsage(AttributeTargets.Method, AllowMultiple = false, Inherited = false)]
     public sealed class OnEnableAttribute : Attribute, IEdgeLifecycleAttribute
     {
         EdgeLifecycleType IEdgeLifecycleAttribute.Type => EdgeLifecycleType.Enable;
     }
 
+    /// <summary>
+    /// Indicates that the target method should be called when the game starts.
+    /// </summary>
+    /// <remarks>
+    /// <para>
+    /// This attribute is interchangable with <see cref="OnEnableAttribute"/>, and is treated identically.
+    /// They are seperate to allow plugin code to more clearly describe the intent of the methods.
+    /// </para>
+    /// <para>
+    /// Typically, this will be used when the <see cref="RuntimeOptions"/> parameter of the plugins's
+    /// <see cref="PluginAttribute"/> is <see cref="RuntimeOptions.SingleStartInit"/>.
+    /// </para>
+    /// </remarks>
+    /// <seealso cref="PluginAttribute"/>
+    /// <seealso cref="OnEnableAttribute"/>
     [AttributeUsage(AttributeTargets.Method, AllowMultiple = false, Inherited = false)]
     public sealed class OnStartAttribute : Attribute, IEdgeLifecycleAttribute
     {
         EdgeLifecycleType IEdgeLifecycleAttribute.Type => EdgeLifecycleType.Enable;
     }
 
+    /// <summary>
+    /// Indicates that the target method should be called when the plugin is disabled.
+    /// </summary>
+    /// <remarks>
+    /// <para>
+    /// This attribute is interchangable with <see cref="OnExitAttribute"/>, and is treated identically.
+    /// They are seperate to allow plugin code to more clearly describe the intent of the methods.
+    /// </para>
+    /// <para>
+    /// Typically, this will be used when the <see cref="RuntimeOptions"/> parameter of the plugins's
+    /// <see cref="PluginAttribute"/> is <see cref="RuntimeOptions.DynamicInit"/>.
+    /// </para>
+    /// </remarks>
+    /// <seealso cref="PluginAttribute"/>
+    /// <seealso cref="OnExitAttribute"/>
     [AttributeUsage(AttributeTargets.Method, AllowMultiple = false, Inherited = false)]
     public sealed class OnDisableAttribute : Attribute, IEdgeLifecycleAttribute
     {
         EdgeLifecycleType IEdgeLifecycleAttribute.Type => EdgeLifecycleType.Disable;
     }
 
+    /// <summary>
+    /// Indicates that the target method should be called when the game exits.
+    /// </summary>
+    /// <remarks>
+    /// <para>
+    /// This attribute is interchangable with <see cref="OnDisableAttribute"/>, and is treated identically.
+    /// They are seperate to allow plugin code to more clearly describe the intent of the methods.
+    /// </para>
+    /// <para>
+    /// Typically, this will be used when the <see cref="RuntimeOptions"/> parameter of the plugins's
+    /// <see cref="PluginAttribute"/> is <see cref="RuntimeOptions.SingleStartInit"/>.
+    /// </para>
+    /// </remarks>
+    /// <seealso cref="PluginAttribute"/>
+    /// <seealso cref="OnDisableAttribute"/>
     [AttributeUsage(AttributeTargets.Method, AllowMultiple = false, Inherited = false)]
     public sealed class OnExitAttribute : Attribute, IEdgeLifecycleAttribute
     {
diff --git a/IPA.Loader/PluginInterfaces/Attributes/PluginAttribute.cs b/IPA.Loader/PluginInterfaces/Attributes/PluginAttribute.cs
index 44caf8f6..b39ceb22 100644
--- a/IPA.Loader/PluginInterfaces/Attributes/PluginAttribute.cs
+++ b/IPA.Loader/PluginInterfaces/Attributes/PluginAttribute.cs
@@ -1,32 +1,88 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
+using IPA.Loader;
+using System;
 
 namespace IPA
 {
+    /// <summary>
+    /// Marks a class as being a BSIPA plugin.
+    /// </summary>
+    /// <seealso cref="InitAttribute"/>
+    /// <seealso cref="OnEnableAttribute"/>
+    /// <seealso cref="OnDisableAttribute"/>
+    /// <seealso cref="OnStartAttribute"/>
+    /// <seealso cref="OnExitAttribute"/>
     [AttributeUsage(AttributeTargets.Class, AllowMultiple = false, Inherited = false)]
     public sealed class PluginAttribute : Attribute
     {
+        /// <summary>
+        /// The <see cref="IPA.RuntimeOptions"/> passed into the constructor of this attribute.
+        /// </summary>
         // whenever this changes, PluginLoader.LoadMetadata must also change
         public RuntimeOptions RuntimeOptions { get; }
+        /// <summary>
+        /// Initializes a <see cref="PluginAttribute"/> with the given <see cref="IPA.RuntimeOptions"/>
+        /// to indicate the runtime capabilities of the plugin.
+        /// </summary>
+        /// <param name="runtimeOptions">the options to use for this plugin</param>
         public PluginAttribute(RuntimeOptions runtimeOptions)
         {
             RuntimeOptions = runtimeOptions;
         }
     }
 
+    /// <summary>
+    /// Options that a plugin must specify to describe how it expects to be run.
+    /// </summary>
+    /// <seealso cref="PluginAttribute"/>
+    /// <seealso cref="InitAttribute"/>
+    /// <seealso cref="OnEnableAttribute"/>
+    /// <seealso cref="OnDisableAttribute"/>
+    /// <seealso cref="OnStartAttribute"/>
+    /// <seealso cref="OnExitAttribute"/>
     // TODO: figure out a better name for this
     public enum RuntimeOptions
     {
+        /// <summary>
+        /// Indicates that this plugin expects to be initialized and enabled with the game, and disabled with the game.
+        /// </summary>
+        /// <remarks>
+        /// With this option set, whether or not the plugin is disabled during a given run is constant for that entire run.
+        /// </remarks>
         SingleStartInit,
-        DynamicInit,
-
-        // TODO: do I want this?
-        SingleDynamicInit
+        /// <summary>
+        /// Indicates that this plugin supports runtime enabling and disabling.
+        /// </summary>
+        /// <remarks>
+        /// <para>
+        /// When this is set, the plugin may be disabled at reasonable points during runtime. As with <see cref="SingleStartInit"/>,
+        /// it will be initialized and enabled with the game if it is enabled on startup, and disabled with the game if it is enabled
+        /// on shutdown.
+        /// </para>
+        /// <para>
+        /// When a plugin with this set is enabled mid-game, the first time it is enabled, its initialization methods will be called,
+        /// then its enable methods. All subsequent enables will <b>NOT</b> re-initialize, however the enable methods will be called.
+        /// </para>
+        /// <para>
+        /// When a plugin with this set is disabled mid-game, the plugin instance will <b>NOT</b> be destroyed, and will instead be
+        /// re-used for subsequent enables. The plugin is expected to handle this gracefully, and behave in a way that makes sense.
+        /// </para>
+        /// </remarks>
+        DynamicInit
     }
 
+    /// <summary>
+    /// Marks a method or a constructor as an inialization method.
+    /// </summary>
+    /// <remarks>
+    /// <para>
+    /// If more than one constructor is marked with this attribute, the one with the most parameters, whether or not they can be injected, will be used.
+    /// </para>
+    /// <para>
+    /// Parameter injection is done with <see cref="PluginInitInjector"/>.
+    /// </para>
+    /// </remarks>
+    /// <seealso cref="PluginAttribute"/>
+    /// <seealso cref="PluginInitInjector"/>
     [AttributeUsage(AttributeTargets.Method | AttributeTargets.Constructor, AllowMultiple = false, Inherited = false)]
     public sealed class InitAttribute : Attribute { }
 }