Landkit update 1.10 turns code block into Chinese characters. See fix here
Hi Tania, best way to use Mailchimp is with this plugin: https://wordpress.org/plugins/mailchimp-for-wp/
Just install it, connect it to your Mailchimp account, create the form and then add the shortcode using a text block element.
You can also use Mailchimp to send files to new subscribers (which I think answers the other ticket). There's a good guide here:
Not that sure what you mean by "changing video url to a before and after slideshow"?
Thanks so much