Fun fact: next Gen makes JIRA slightly less hellish in terms of providing teams with autonomy to manage their work according to their needs instead of the centralized JIRA admin. It also is slightly better at Kanban (but not much is worse than JIRA classic so the bar is very low)
Additional fun fact: Next Gen projects have
worse reporting than the already terrible JIRA reporting capabilities.
Long story short, JIRA knowledge is important because the market dominance of the tool but there are many limitations within the tool that will force behaviours that maybe don't quite jive with the original manifesto.
Sorry for the rant, I had a bit of a frustrating day trying to visualize my team's work in progress...