Only perform version check on MRI.
Only perform version check on MRI.

zenjoy/rpush,joshuairl/rpush,rpush/rpush,amaierhofer/rpush,aried3r/rpush,chiu/rpush,kjnsn/rpush,mandarin6b0/rpush,jmnsf/rpush,krakatoa/rpush,zakwanhaj/rpush