>>55884498While I'm inclined to disagree, I do think Z-Moves were also intended to be carried on to future Generations like Megas were, since they compliment them very well:
>Megas are specific to certain Pokemon and typically much easier to read, whereas Z-Moves can be used by anyone (outside of the special Z-Moves) and are a bit more unpredictable in their usage>Megas affect a Pokemon's stats and abilities, whereas Z-Moves affect their moves>>55884760It should be noted that Megas were supposed to be in Gen 8 if the prototype leaks are to be believed. Pic related is the placeholder title screen, which includes Mega Rayquaza and Greninja, who also has a Mega-like form