Obviously I'm biased, in that these are things that *I* think need to be high priority, but based on what I've seen in the forums, I think these things need to be considered a high priority for the Dev team. I'll be perfectly honest, I haven't played much Ascension this week, and all 4 of these things are reasons why (this is why I say it's a high priority).
Mining and herbs need to be fixed
There needs to be a big red border around broken talents or abilities, with a bid red X through the abilities
There needs to be a test server, with no content except vendors that can give us the gear we need, and both friendly and enemy target dummies that will let us test healing and damage abilities to see what combinations work or don't work
There need to be special events to draw new players in (like the double XP weekend)
Mining and Herbs
A few people are finding pockets of nodes here and there, but by and large nodes seem to be fairly sparse, and they respawn even slower. I've heard the argument that mining needs to be sparse, but I disagree. You can easily get an overabundance of cloth or leather with how easy it is to AoE farm on this realm. I see no reason why mining and herbing should be so sparse when cloth and leather are so plentiful. So, if anything, there should be too many nodes instead of not enough nodes.
Easier Notification of Broken Talents
This is plain and simple, nobody wants to make a build based on a talent that doesn't work, and only find out it doesn't work AFTER spending the money resetting essences and time to redo the build. Even if it's in the tooltip, most people make builds just by looking at the icons, so those that are disabled should be visually disabled as well.
Building a Test Server
This has been asked for A LOT. We need a test server on this realm. Something with no content (so it doesn't draw players too much from the live realms), but enough custom content (such as vendors of gear and reagents, and target dummies) for us to test our builds. This is for a few reasons:
Players are spending hundreds of gold to respec to find out a build doesn't work right. Sometimes they don't have the gold to switch back. Sometimes they get frustrated because they spent the gold to find out some interaction doesn't work the way they wanted it to. Sometimes the build just sucks and they had to find out the hard way. Players want a place we can test things to make sure they work, and make sure they work well, before committing hundreds of gold to a respec.
Players want to play around with builds. Maybe I like my spec, but I want to try something different. Maybe someone is asking for advice, and nobody in guild can answer. Fact is, players aren't testing much, because there's no point in spending hundreds of gold to go back and forth to answer a question. If we had a test server, we could test builds out, and we could discuss them on the forums, Discord, and Youtube. It would keep players interested and draw new players in.
People have been asking for a test server. I can't see how it would do anything but retain players and draw new ones in.
Host Special Events
A lot of F2P games have special events every weekend or every other weekend. These events help keep players interested, and if advertised right can draw more players in. However, it shouldn't be the same thing every time. Some ideas are:
Double XP weekend
Double Reputation weekend
Double skill point weekend
Double gathering profession rewards or higher chance to get special quality items (i.e. hides, gems)
Every mob has a 10% chance to drop an extra vendor trash item which stacks 20x and is very lucrative for the level of the mob (i.e. level 5 mobs might drop an item that's worth 2s and stacks up to be 40s, level 60 mobs might drop something worth 50s that stacks up to 10g).
Dungeon and raid bosses drop double items (this should last the whole week).
Double Glory and Honor
There's obviously more we can do, this is just off the top of my head. Anyway, it would be a way to get more people interested or keep people playing, as it would get them doing different things with different goals in mind.