Tips for returning player?
In the last couple of months there hasn’t been many dramatic changes, but there have been quite a few changes that make things more pleasant.
You can see what has happened here: https://forum-en.gw2archive.eu/forum/info/updates
Without going to details the pre-events for LS 3 have started. They are meant to be teasers, so don’t expect anything huge. Still nice flavor and some rewards to be had. You did not say whether you have HoT or not, but these events are open to all players.
Someone on the GW2 board did recommend posting on the Ranger subforum. I don’t know if you did, but if not it could be useful. There are people there who can advice on the most efficient ways to play a Ranger. I just play what feels fun, so…
The only way to learn to play a class is to play it though. So just jump in. If you would like to have someone to run around with, I am often free. And I have accounts on bout EU and NA.