Considering that Riven gets smashed by most competent challenger players and isn't all that common at the top levels of the game I doubt Riot is going to "fix" her. The truth is that she's not broken and if you look at the stats for Platinum and above she doesn't have a win rate above 52% for any matchup in ranked. (and is below 48% in several matchups at that level). In the last week at all levels she had a 50.10% win rate.
I find it funny that Riven gets so many "nerf her!" posts. She's not that good. Her abilities in the hands of someone who has the rhythm to play her can be scary, but even then she's one of the weaker fighters in League stat-wise. If you don't allow her to bully you early, she can be defeated.
Just remember about her level 6 power spike and make sure she can't burst you when it comes up.