Originally Posted by
BohemiaDrinker
JL history is not fully restored, neither is Wally's, there's a new Legion, some New52 backgrounds have carried over to current continuity (like Supergirl, Blue Beeetle, Donna Troy, Raven) some stuff exclusive to New 52 was kept, like Red Hood, the backgrounds for Stephanie and Cass, etc, etc.
At the end of the day, there isn't a single big crossover that happened in post-Crisis that could have happened exactly as it was in current continuity. The general DC "feel" is mostly back, but continuity... no one knows for sure.