According to the documentation at https://invoiceninja.github.io/docs/advanced-settings/#templates_and_reminders, I should be able to use HTML to customize email templates:
The email message body accepts basic HTML formatting for additional customization
Until recently, this was working very well, and we’ve extensively customized some of our email templates. However, one of the recent updates (unsure which) seems to have changed this entirely to use only some sort of Markdown-esque formatting, which has essentially destroyed all of our existing templates.
When trying to fix it, the template editor seems to allow adding HTML to the Markdown (as it should, HTML is supposed to be allowed in Markdown) but upon clicking Save all the HTML is converted to plain Markdown which loses any classes or other tags that we’ve added.
Is there any way to enable HTML templating again, or alternatively to allow HTML to be included in the Markdown templates?