Lightroom: Auto Sync: Relative value adjustments

There is no need to "bump" posts on the feedback site. Let people read them and vote on them.

bit of bumping don't hurt :)

I agree, I would find that helpful too. I was just about to publish my own new thread with the title

 "Tweak-Sync" -Sync relative tweak amount,  instead of copy final values"

and I think I will go ahead with it even if this is redundant.

I think such a new function is useful, specifically justifiable if we want to create a duplicate of a series (of differently treated images), a version for say the web, a projector, another monitor - something that indeed is more something of a tweak-intervention rather than serious editing.

I understand that this is so far omitted function because it is admittedly
"not a very "serious" approach, and not even possible in all circumstances
(shall an image that for instance is already at a maximum setting - be highlighted or ignored ?)
Another problem might be, that steps might not be truly linear in truth.
Still, for "conscious" users, it could still be very useful sometimes (time-saver).
(btw; auto-sync can also be kind of "dangerous)