Per-Post-Type Revision Limits

add_filter( 'wp_revisions_to_keep', 'set_custom_revision_limits', 10, 2 );
function set_custom_revision_limits( $num, $post ) {
    switch ( $post->post_type ) {
        case 'post':
            return 5;  // Keep up to 5 revisions for blog posts
        case 'page':
            return 10; // Keep up to 10 revisions for critical pages
        case 'product':
            return 2;  // Keep only 2 revisions for WooCommerce products
        default:
            return 0;  // Disable revisions for custom post types
    }
}