Symfony Version?

Development
1

What version of Symfony is 2.8.0 implemented on?



How am I able to tell this in the future? I’m not that familiar with Symfony but want to make I learn the appropriate version.

2

What version of Symfony is 2.8.0 implemented on?

How am I able to tell this in the future? I’m not that familiar with Symfony but want to make I learn the appropriate version.

3

looks like 2.8.15 according to
/vendor/symfony/http-kernel/Kernel.php

Is Symfony the only framework Mautic is built on top of?