Fiora dumpstered 7.14?
With her movement speed passive no longer activating with her ult activation, shes going to require some sort of additional movement speed item, such as youmuu's, and probably ghost if she hopes to kill anyone now. The q ms being reduced is a good change in my opinion, they didnt remove it completely and thats great. If shes trying to kill someone who has any sort of dash or movement speed ability, they can easily out run her in a 1 on 1 scenario. Riven and fiora used to be a skill matchup, with riven winning most of the time (hardcore playerbase), now riven will dumpster fiora and fiora will probably drop to a 45%~ win rate in the new patch.
The best way to see how this affects her is to wait, but im calling it here first that the r change needs to be redone. Affect it the same way you did her q and simply tone down the ms she gets.