Its perfectly working in editor, and worked perfectly in builds as well previously. A lot of things have changed, which are impossible to track back, multiple hundreds of changes were added, including a Unity 6 upgrade.
Now in builds, one instantiated gameobject from Addressables is invisible, the other instance is always visible near that.
But if I destroy them and reinstantiate them, then they work = both instances are visible.
What might be the reason?