Merge branch 'trunk' into change/simplify-follow-returns

Author: pfefferle

.github/changelog/2210-from-description

@@ -0,0 +1,4 @@
+Significance: minor
+Type: changed
+
+Improved recipient handling for clarity and improved visibility handling of activities.

.github/changelog/2223-from-description

@@ -0,0 +1,4 @@
+Significance: minor
+Type: changed
+
+Standardized notification handling with new hooks for better extensibility and consistency.

activitypub.php

@@ -80,6 +80,7 @@ function plugin_init() {
 	\add_action( 'init', array( __NAMESPACE__ . '\Migration', 'init' ), 1 );
 	\add_action( 'init', array( __NAMESPACE__ . '\Move', 'init' ) );
 	\add_action( 'init', array( __NAMESPACE__ . '\Options', 'init' ) );
+	\add_action( 'init', array( __NAMESPACE__ . '\Post_Types', 'init' ) );
 	\add_action( 'init', array( __NAMESPACE__ . '\Scheduler', 'init' ) );
 	\add_action( 'init', array( __NAMESPACE__ . '\Search', 'init' ) );
 	\add_action( 'init', array( __NAMESPACE__ . '\Signature', 'init' ) );