I love my Druid (Wyvern) but here are some things I would have liked to see...

I've been playing my Druid and I love it but I found it lacking in what I could do based on my build.
I wanted to make a pure fire (or mostly) (Sing wind in the build would be pretty cool) Wyvern but after playing for a few days it's just literally not possible.
The versatility of the druid on a whole is very good, but for each individual transformation it's severely lacking I've found (or at least that's how I feel about the Wyvern). I feel as though with the possibilities GGG had with this class, the creativity could have went SOO much further! (did they feel pressured that they had to release the Druid NOW!?)

We pretty much just get one type of melee, some being almost COMPLETELY useless in situations. For example, we just have one wing melee skill, one bite skill, one wing wind skill.

Now I like Rolling magma but... Wyvern using Fireball or Incinerate adjusting the requirements or a new skill similar would be awesome. I mean after all, it's a Wyvern. Shooting stuff from it's mouth is it's thing.

Some form of flying 'Wing Attack'. I mean it's got wings! the possibilities are endless. It could fly forward at ground level, using it's wings to damage enemies.

Fire or wind version of Rend. It would make sense Rend could be a wind attack. Maybe instead they could somehow let the player choose what element (Wind, Fire, Lightning, and maybe ice) when binding the skill, when using a charged version of the attack.

Fire version of Oil Barrage. Why is it only lightning? After all, it only makes that you would light oil while firing it. You would once again let the player choose which element of the attack they'd like to use when binding the skill.

Devour should launch you forward regardless (or a separate skill), biting or pouncing on the enemy/enemies. We have a backward launching skill, it kind of makes sense you also need something to close the distance. Wyverns also don't have a surround AOE attack.

Another thought that came across my mind were different version of the skill based on what form you're in. For example:
Tornado could easily be a Wyvern skill too. Perhaps some sort of wing beat Tornado, where in the Wyvern state, Tornados are created faster, smaller, and less area of effect.
Moves like Furious Slam, Ponce and Devour can easily be used by all Animal forms, changing the effects in the different forms, whether that's to make them slower/fast, more/less damage, and/or changing the area of effect.

Why is it that for one weapon (example bow, crossbows, elemental etc) over 25 skills can be thought up, but for a combination of 4 shapeshifting forms has easily the least amount skills available? FOUR forms! (Again, Wyverns don't have a surround AOE attack.)
Werewolves don't even get any skills from level 9 to level 11.
In my opinion every form should get at least one skill for every row of of new skills, (Mage, Wyvern, Bear, Wolf) with the exception of Wyvern, having it's first skill at lvl 3 gems is fine.

Now don't get me wrong, the skills that are available are very good. It's just that after some time I found myself using the same 2 moves over and over again. It got very monotonous and repetitive :(. Rinse and repeat.

All in all, I find each individual animal build (the Wyvern in my case) severely lacking in versatility and creativity.