Undos have always been extremely sketchy in Maya and more often than not crash the entire app. Everyone has been in the situation where after a number of undos no redos are available. Or after ten steps only 2 undos are available. Or the undo chain gets unhooked without notice. This is an elementary aspect of software quality and it reflects very badly on the developers that after so many years this aspect still fails left and right.

Not being able to draw bezier curves for soft selections really limits it's usefulness. Bezier curves would enable us to make so many more shapes. You should really switch all curves in the maya user interface to bezier curves. The old ones are actually quite useless in most cases.

Add a smooth option to the skin painting tool where you dont select which deformer you want to smooth. Instead it will smooth all the deformer influences for the given vertices together.
This generally makes smoothing a skin much faster than smoothing on a per-influence basis.

From version 2013 and up to, the "look in" bar changed from full length to one tiny triangle. Not a big deal, but small, and annoying :)

The long is the bad one (it's very strange, and uncomfortable after years of using the other one, like on the small picture)

Switching between Maya and ZBrush can be a frustrating experience when it comes to Viewport navigation. Maya does it one way, ZBrush does it completely differently. This causes frequent trip-ups when switching between one or the other.
While Maya's ALT+*MB method is pretty cool. ZBrush's RMB system is incredibly elegant and fast to use. Just press the RMB to tumble. Press Alt+RMB to track and press Alt, click RMB, then release Alt to dolly.
I'd love to be able to do this in Maya and avoid the navigation confusion.

Flat grey lambert with one point light is outdated with the viewport.

Give us a choice of new default shader and lighting setup (blinn, lambert or other etc..).

Surely in 2013 we can have a default shader with nice highlights while modelling in VP2. ;)

Currently to get a soft shadow you resolution needs to be very low, this produces low res blurry shadows. Please make the filter for shadows go higher so we can have more resolution and have softer shadows.

Also, speaking of shadows and lights, the ubershader should work like all the other shaders in Maya and just accept all the lights in the scene. Let the light limit come from the number set in the Viewport 2.0 settings area... not the shader it's self.

Give ability to replace default paint effects models/textures with custom models/textures. I love what paint effects can do, but what if I want to change the models and textures that are being used in the system? I would like the ability to change the art. This way you could have total control over the final look of the paint effects art.

eg photoshop layers and groups
you could keep an eye on all those random bits and pieces and clean up your scene while still being able to turn layers and groups of and on in a single click. this also needs to be dockable and preferably sit where the current layers system sits as you will need to use it a lot! the current system splits me between outliner and layers and this is very tiresome. I have included a mockup screen.

I would like Volume/bounding object/capsule modification ability for particles, shaders, textures, deformers, transforms, pfx (I know of modifiers)- like c4d Mograph module

I'm a motion graphics guy in Los Angeles, and I'm finding less and less work because many shops are going over to C4d.....because of ease of use and handy tools like Mograph, which allows for effector based modifications of transforms and other c4d objects

Bevel plus tool could use a spline/graph as input for bevel profile allowing for custom bevels...also, the output of the bevel plus tool is often not very good for deforming type....Perhaps bevel plus output geo could be like Zbrush dynamesh, so we always get nice deformable geo on bevelplus output

Make Maya supports the Arabic language in writing - Maya users should be able to choose between English and Arabic in the menus

ViewCube works fine in Default/High Quality Rendering, but disappears in Viewport 2.0

I think Maya need to have built-in a flexible autorig module with those feature:
Applicable on a new or existing skeleton
Fully customizable number of arms, legs, head ecc...
Compatible whit cartoon animation like squash, bend and so on

Best regards,

Davide Alidosi

Corrective Sculpt Animation:
It would be very cool if Maya 2014 has animated mesh Corrective Sculpting like LBrush plugin for Maya (see http://lbrush.com/features.htm). It would be nice to add other LBrush features as well. This will make user able to easily correct simulated mesh like cloth and muscle deformation during animation. I think it should not be difficult to add this feature.

In the UV Texture Editor of previous installments of Maya, when you select a face vertex etc. and simply convert those points to UVs by left clicking and change to UVs.
However in Maya 2014 you can't do that anymore. Instead of doing that simple process you now have to Select> Convert (face,edge,vertices) to UVs. And then you gotta left click and change to UVs if you want to move a specific point. Please fix this.