According to official BitcoinCash news, on May 29th, BCH developers submitted a post on the github of bitcoincashorg for the specification of the upgrade proposal on November 15, 2019, which is intended to be used as the base for the next upgrade discussion and the project under consideration. Assembly point. At the same time, the developer named EyeOfPython submitted a proposal to add OP_REVERSE to the script. The introduction of OP_REVERSE further optimizes the smart contract function. According to reports, the role of OP_REVERSE is to reverse the bytes of the top stack item. It is currently unclear whether OP_REVERSE will be added to BCH in the upgrade content on November 15.