MT | TEC | Fix Bug: Editted events do not change browsable date range of month view

force_date_range_recalc.php

<?php

// Fixes bug in TEC 3.8
// Edits of events will now update the month view browsable date range
function tribe_listen_for_event_updates() {
	if ( class_exists( 'TribeEvents' ) )
		add_action( 'save_post_' . TribeEvents::POSTTYPE, 'tribe_force_update_event_date_range' );
}
add_action( 'init', 'tribe_listen_for_event_updates' );

function tribe_force_update_event_date_range( $post_id ) {
	$public_states = array( 'publish', 'private', 'protected' );
	if ( ! in_array( get_post_status( $post_id ), $public_states ) ) return;

	$callback = array( TribeEvents::instance(), 'rebuild_known_range' );
	add_action( 'update_post_meta', $callback, 10, 3 );
}