Very, very busy with life stuff . . . no time to check announcements before running a pacman . . . for the most part Manjaro has been faultless or, with few faults or breakages . . . .
But I ran your suggested command and it went through for the 255 package upgrades.
I’m sorry to say, then that follows that you have no time for using Manjaro or any other rolling release distro. Every topic you’ve created here were asking questions that were already answered. I suggest using a fixed release distro like Linux Mint instead.