Issue with front page navigation after upgrading to 3.4

It stopped to work with WP 3.4 because there was fixes to handle_404(), and You are using wrong way on homepage… instead of creating new query, modify main query.

Changeset: http://core.trac.wordpress.org/changeset/19892

Sample code:

function my_query_for_homepage( $query ) {
    if( $query->is_main_query() && $query->is_home() ) {
        $query->set( 'post_type', array( 'post', 'gaming', 'entertainment', 'tech', 'breakroom', 'podcasts', 'off-grid' ) );
    }
}
add_action( 'pre_get_posts', 'my_query_for_homepage' );