When you do your Collect Clip for Motion Plus, do you have "Bake Constraint Key" checked? If you do and it doesn't work then it is indeed a bug.

Here is the relevant manual page: https://manual.reallusion.com/iClone_7/ENU/Content/iClone_7/Pro_7.4/09_MotionPlus/Body_Motions_Constraint_Keys.htm.

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Yes - Here are the settings. This eye problem happens both when making a Motion Plus and exporting the animation to FBX. It happens both with LOOK AT CAMERA and PICK TARGET. 

I just posted a video showing the problem. In this example, the character is looking at a sphere that is made invisible (dummy) and tracks the movement of the sphere using the PICK A TARGET function. This animation was then saved to the library as a Motion Plus, and then added back to the same character that had the animation removed. You can see the eyes malfunction clearly here as they bounce up and down independently of each other. Also, as a side note, the ball was not bouncing at all, but merely key framed at one side and then the other. The character should only be looking from side to side.

https://youtu.be/qb7qSiVD_Ek

There are 2 ways to get around it (Unreal only)
1. Use Live Link
2. In UE4.26 you can use an "Aim Controller" , with the "Aim Controller" you can make the Character "look at cam" or "head to cam" or any other object or both (like in IClone) (Unreal only)

Will do a Tutorial "what to do" , when LL for UE4.26 is out.

:-)

Thanks Bassline303! I am testing Live Link now and trying to find the optimal settings to get a smooth result with no skipped or doubled frames. FBX seems much more consistent and accurate than Live Link so far, and I hope that Reallusion will fix this bug quickly.

I would appreciate a tutorial on the "Aim Controller" in Unreal Engine! I look forward to it. Thanks again!

I am not sure if it is a RL or UE4 problem , what I know is that Epic fixed something in Sequence Recorder in UE4.26 ... have to wait for LL to test it.....

Drat, I was hoping somebody had a solution for this--I'm having the same problem with the eyes bouncing around when they're supposed to be "looking at" a fixed point. I had the character looking at a small sphere, and it worked fine in iClone while it was "looking at" the sphere, but no dice for exporting to FBX. Within iClone I tried flattening, baking, sampling, exporting to 3DX, etc. etc. and nothing seems to work. The only export method that seems to work is Alembic, but of course the file is over 20x the size. Like others, I  got the Pipeline suite so I could get animated characters into other programs--in my case Cinema 4D. These past days I've been binge-testing/learning CC3/iClone and I found a lot to like. I got all the way to Cinema 4D and was just about to declare victory when I slammed into this Look At wall. Of all the problems I thought I'd be unable to solve, that's not the one I was worried about, this seems like it should be a basic function.

On my Youtube Channel: Quest of the Key: Chapter One

I am a C4d user too and I am having the same problem with the eyes when exporting via FBX.
The only workaround right now is to do the "look at"  with constrains in C4D.

Also in UE4 I am testing to do it in UE4 itself , with aiming.

Hi Auroratrek
Please go to the link below  and vote for this issue. If we work together, we can get Reallusion to address this serious BUG:
https://www.reallusion.com/FeedBackTracker/Issue/Eyes-Shake-and-Look-in-Wrong-Directions-When-Animation-Exported-To-FBX

If you know any other Reallusion users, please call their attention to this BUG and encourage them to vote also, thanks!

Voted! I'm actually pretty new to using iClone--I've been looking into it for a long time, but have only recently really sat down to bang out a workflow, and I was very excited by how far I got, but now very disappointed that iClone stumbed right at the finish line on something so simple, but necessary.

On my Youtube Channel: Quest of the Key: Chapter One