Future IV modification ?

Hey everyone

I don't know if this subject has been discussed many times here, but the quick research I done tell me it's not the case (at least, not recently).

I just pulled the characters I wanted, Nephenee (-ATK + SPE) and Elincia (+HP -ATK) and I don't know if I should spend more orbs to get better IVs, since IS spoke about changing them recently in this interview :

https://www.polygon.com/2017/8/30/16227082/fire-emblem-heroes-interview-choose-your-legends

"Boons and banes are a controversial topic within the Fire Emblem Heroes community. There have been many requests to have the option to change a unit’s boons and banes. Is this something you would be open to?

Matsushita: We have heard fans’ opinions about the individual stat differences on summoned heroes. This is something we’re looking into right now. The stat differences was definitely something that we had planned. We had expected players to make the best use of these. But we do know that there are some fans who would like to be able to change the individual stats that get increased, the boons and banes. However, if we had that it could also lead to some other problems. So it’s something we’re still looking into."

I know I will be able to spend at least 100~ more orbs on this banner with quests, log-in bonuses, TT and my stash, but there is a possibility that a 3-characters banner show up at the TT (Daein fighters maybe ? I love Jill too).

So, do you think that IVs change will be a part of the game soon ? Maybe Sacred Coins could be used for this.