Javascript problem due to the update ?

I wanted to update this discussion related to an issue reported where using jQuery selectors / jQuery's $.ajax() function in JavaScript trigger no longer works.

We're always on the lookout for new security concerns and ways to counteract them. Since jQuery has the potential to be exploited and Storyline no longer uses it, we removed jQuery from Storyline 360 and Storyline 3. If you're comfortable, you can still reference the jQuery library directly to write custom JavaScript. Here's how:

https://articulate.com/support/article/Storyline-How-to-Reference-the-jQuery-Library

However, keep in mind that some JavaScript triggers, like the one you mentioned, that worked before might not work in newer versions of Storyline.