Shouldn't it be possible/feasible to form Python 2.7 and backport bugs/performance improvements from the 3.x branch? I am surprised that someone like Redhat has

Shouldn't it be possible/feasible to form Python 2.7 and backport bugs/performance improvements from the 3.x branch? I am surprised that someone like Redhat has not done this yet. The Python community will not like it, but if there is enough demand/contributors to make it so, surely they will not refuse patches?