Index: sites/trunk/wordpress.org/public_html/wp-content/themes/pub/wporg-forums/functions.php
===================================================================
--- sites/trunk/wordpress.org/public_html/wp-content/themes/pub/wporg-forums/functions.php	(revision 4174)
+++ sites/trunk/wordpress.org/public_html/wp-content/themes/pub/wporg-forums/functions.php	(working copy)
@@ -193,6 +193,43 @@
 	return ( WordPressdotorg\Forums\Plugin::REVIEWS_FORUM_ID == bbp_get_topic_forum_id() );
 }
 
+/**
+ * Display a notice for messages caught in the moderation queue.
+ */
+function wporg_support_add_moderation_notice() {
+	$post_time       = mysql2date( 'U', get_post_field( 'post_date', get_the_ID() ) );
+	$seconds_passed  = current_time( 'timestamp' ) - $post_time;
+	$hours_passed    = (int) ( $seconds_passed / HOUR_IN_SECONDS );
+	$is_user_blocked = ! current_user_can( 'spectate' );
+?>
+
+	<?php if ( in_array( get_post_status(), array( 'pending', 'spam' ) ) ) : ?>
+
+		<div class="bbp-template-notice">
+			<p><?php _e( 'This post has been held for moderation by our automated system. It will be reviewed within 72 hours.', 'wporg-forums' ); ?></p>
+		</div>
+
+		<?php if ( ! $is_user_blocked && $hours_passed > 96 ) : ?>
+
+			<div class="bbp-template-notice warning">
+				<p><?php
+					printf(
+						/* translators: https://make.wordpress.org/chat/ */
+						__( 'If this message is not yet approved, please come to the #forums channel on <a href="%s">WordPress Slack</a> and let us know. Provide a link to the post.', 'wporg-forums' ),
+						'https://make.wordpress.org/chat/'
+					);
+				?></p>
+			</div>
+
+		<?php endif; ?>
+
+	<?php endif; ?>
+
+<?php
+}
+add_action( 'bbp_theme_before_topic_content', 'wporg_support_add_moderation_notice' );
+add_action( 'bbp_theme_before_reply_content', 'wporg_support_add_moderation_notice' );
+
 /** bb Base *******************************************************************/
 
 function bb_base_search_form() {
Index: sites/trunk/wordpress.org/public_html/wp-content/themes/pub/wporg-forums/style.css
===================================================================
--- sites/trunk/wordpress.org/public_html/wp-content/themes/pub/wporg-forums/style.css	(revision 4174)
+++ sites/trunk/wordpress.org/public_html/wp-content/themes/pub/wporg-forums/style.css	(working copy)
@@ -161,6 +161,11 @@
 	list-style: disc;
 }
 
+.bbp-topic-content div.bbp-template-notice,
+.bbp-reply-content div.bbp-template-notice {
+	display: inline-block;
+}
+
 /* Reply button */
 div.bbp-submit-wrapper {
 	float: none;