Nostalrius Begins - Quality wow vanilla realm (1.12)

when fighting vs two targets and when i swap only to hit it whit white attack i lose the combo points on my mine target

Not a bug, worked like this in vanilla.

not a bug

Pretty sure it was only supposed to drop the combo points when you use a combo generating ability on the other target.

Blizzard @ Patch 1.4.0 wrote:
"Combo points will no longer be removed if the target is deselected. They will only be removed if a different target is selected."

Blizzard @ Patch 2.0.3 wrote:
"Combo points added to a target should not be reset until you add a combo point to a different target."