Currently, Bitcoin Cash development groups like Bitcoin ABC are gearing up for a series of protocol upgrades happening every six months starting May 2018, which will see the developers re-enabling a whole host of opcodes in the scripting language, among other things. (calvinayre.com)
Up until now, we really didn't have a good way to upgrade or add new opcodes to the scripting language.» (bitcoinmagazine.com)
More recently, Bitcoin Core contributor Johnson Lau discussed how SegWit makes it much easier and safer to enable new and old opcodes in Bitcoin. (bitcoinmagazine.com)