Issue #3010123 by quietone, weekbeforenext, marcvangend, heddn: D7 to D8 Book Migration "SQLSTATE[23000]: Integrity constraint violation: 1062 Duplicate entry"

Issue #1952064 by joshi.rohit100, yoroy, weekbeforenext, prabeen.giri, jonreid, nflowers1228, HaloFX, mparker17, paboden, babruix, sun: Shorten help text on user permissions/roles pages