The raid Remmorchant, the Net of Darkness, is now available on Bullroarer, which means it will probably go live within a few weeks.
There are a number of other related changes coming:
The contents of the embers chests will have their item levels increased by 5. Unless you need to, wait to extract the item from the coffers. In the past, unopened coffers have gotten upgraded,
There will be 2 more tiers of essences, with some confusing changes to recipes. It would be best to wait until it goes live before spending shards and solvents on essences.
They are playing with stats on gear, so you may want to wait to see what they do before trying to optimize your stats.
Ithilharn Shards will be available from weekly quests.
I'll post more if I get more info.