Change Number of Downloads in Bundle Select

// Remove original bundle item select field which defaults to 30 items

function kjm_remove_old_bundle_field() {

	remove_action( 'edd_meta_box_files_fields', 'edd_render_products_field', 10 );

}

add_action( 'plugins_loaded', 'kjm_remove_old_bundle_field' );

// Add back bundle select field with 'number' specified

function kjm_render_products_field( $post_id ) {

	$type     = edd_get_download_type( $post_id );

	$display  = $type == 'bundle' ? '' : ' style="display:none;"';

	$products = edd_get_bundled_products( $post_id );

?>

	<div id="edd_products"<?php echo $display; ?>>

		<div id="edd_file_fields" class="edd_meta_table_wrap">

			<table class="widefat" width="100%" cellpadding="0" cellspacing="0">

				<thead>

					<tr>

						<th><?php printf( __( 'Bundled %s:', 'easy-digital-downloads' ), edd_get_label_plural() ); ?></th>

						<?php do_action( 'edd_download_products_table_head', $post_id ); ?>

					</tr>

				</thead>

				<tbody>

					<tr class="edd_repeatable_product_wrapper">

						<td>

							<?php

							echo EDD()->html->product_dropdown( array(

								'name'     => '_edd_bundled_products[]',

								'id'       => 'edd_bundled_products',

								'selected' => $products,

								'multiple' => true,

								'chosen'   => true,

								'bundles'  => false,

								'number'	=> 2 // change this number to specify how many downloads should show

							) );

							?>

						</td>

						<?php do_action( 'edd_download_products_table_row', $post_id ); ?>

					</tr>

				</tbody>

			</table>

		</div>

	</div>

<?php

}

add_action( 'edd_meta_box_files_fields', 'kjm_render_products_field', 11 );