We are preparing to launch a new UI upgrade, specifically targeting the seating plan, making it slicker and easier to use.
We are not planning to test this against Internet Explorer 11. If you absolutely have to use Internet Explorer, then we can leave your site in “classic” mode, but otherwise we will be planning to upgrade everyone to use the new “vue” mode (https://vuejs.org/, not the cinema chain!) in the near future. Let us know if this is the case for you.
A blog post detailing some of the benefits and features of the new mode will be following shortly…