With Reave3 saying they're hoping Gwen to be as popular as Fiora and the recent game dev notes about adressing Split Pushing, I have a feeling Gwen is meant to be pushed
New Headmistress Fiora Splash differs from PBE Skin model. : r/leagueoflegends
Fiora Counters - Best Counter Picking Stats for LoL Patch 12.2