When a participant completes your survey, they are normally shown a “Thank you” page. This page acts as a confirmation that they have indeed reached the end of your survey. Up until now, the text that was displayed on this page was fixed.
This has been made more flexible as you can now customize the text that is displayed to the participant on survey completion.
This is a great way to add a personal touch to your survey or if your survey is serving a specific purpose, like a contact form, to confirm the next actions that will follow based on their survey submission.
For more information on how to customize the “Thank You” page text, see here: How do I customize the “Thank You” page text of my survey?