What makes you believe any past rostering arrangements, individual or fleetwide, are indicative what you may encounter after joining?
Similar can be asked about the advertised / promoted rotations.
Oh boy, annual leave at Emirates is not what's written on the paper, duty patterns at Qatar are not what their own regulation require (ever pending the upcoming change to re-align: the regulations!).
It is the end of May, if you are fishing in this barrel then sure choice grab AvEx now and make the most of it. In experience and widening own horizons, then go thrive elsewhere.