Vanishing skills after switching weapons, intended?

I have a problem with the weapon switching, and I'm not sure if it is intended behavior or not. I read other posts and didn't find one like this, maybe I missed it, in which case I apologize for the duplicate.

To illustrate, I have a sword+shield on the first set of weapons on my marauder and a 2-handed mace on the second. I start by removing all skills assigned to the left, middle and right mouse buttons for BOTH sets of weapons and I end up with the default attack for the left mouse button.

I put the Cleave gem on my sword and Ground Slam on my 2-handed mace.

If I set Cleave on my left mouse button for set 1 then switch to set 2 and come back to 1 (simply pressing the switch key twice), Cleave has been removed from my left mouse button and placed on the right mouse button.

Likewise, if I put Ground Slam on my left mouse button for set 2 then switch and come back, it is moved to my right mouse button.

I'm not sure if the moving of skills is intended or not, maybe cleave is a right-mouse button only ability, but whatever skill I try to bind to the left-mouse button ends up being removed unless it can be used by both sets of weapons, like Heavy Strike.

The middle and right mouse buttons do not seem to have this behavior and work as one might expect, whatever I set in one set of weapon isn't removed or duplicated to the other set when I switch.

I suspect the fact that the left-mouse button is to be assigned with the default attack in case of missing skills plays tricks on customization.

I would appreciated any tips if I misunderstand how assigning skills work.

Thanks and keep up the amazing work!

The only skills which dissapear are those which are in the slots of the weapon/shield you switch out. E.g you have Elemental hit socketed in a 1-handed mace and your secondary weapon is a bow whenever you switch the mace for the bow the Elemental hit 'dissapears', since non of your current equipment has it.

This is the intended behaviour.

You can use this also as a skill switch (having one skill on your first weapon and another on your secondary, when you give the skill of the secondary weapon the same slot as the skill on your primary you will also switch those skills when you switch your weapons)

"

whenever you switch the mace for the bow the Elemental hit 'dissapears', since non of your current equipment has it.

I'm afraid it is not what he meant.

He pointed out that the left-mouse skill doesn't come back after a double weaponswap when this skill is socketed either on weapon or shield.

It is okay that the skill disappears when we switch weapon, since the skill isn't anymore on the worn stuff. But when we switch back it should come back. It does when it was set anywhere else than on left-mouse, but the left-mouse skill doesn't come back (it is reset to default attack).

There is a recent thread about it here, but we haven't got any response yet :
http://www.pathofexile.com/forum/view-thread/47705

This thread got an answer. They're going to improve the skill bindings on weapon swap.
http://www.pathofexile.com/forum/view-thread/47507

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bump - we never got the fix mentioned...