Well, I'm not completely sure that I trust your judgement, as you left out the single biggest hipster area of Lawrenceville and also spelled "East Liberty" as "West Liberty," which is an entirely different area.
That said... the extreme whiteness and slight red-necky feel of non-East End neighborhoods.
...is definitely still an issue. It's getting better though, and for the most part anywhere within the city limits is relatively diverse. Pittsburgh's biggest problem is that the segregation is by neighborhood. It's comparable to Chicago, in many ways.