It's also possible that his suit was really advanced for his time, but is somehow outdated for the pretensions of the droid. There are 20+ years between ROTS and this comic after all.
It's still annoying that a master techie like Anakin would even allow his suit to become so outdated in the first place -- to the point where even a third rate droid, hired by a second rate assassin, would be shitting on its design.
Or maybe Vader just wasnt interested in advancing the suit, because it was still serving its purpose just fine. /shrug
Regardless, his armor obviously gets rebuilt by RotJ, so I'm curious if any upgrades to it will be mentioned?
__________________
"I am tired of Earth. These people.
I am tired of being caught in the tangle of their lives."
the droid pirate (so cool btw) was frustrated because he was told that this "machine" was the greatest weapon the Empire had so it assumed that it had heavily advanced tech, what it failed to understand was that its the most dangerous because of the man inside, not the machine parts so thats why the droid was so pissed at the mundane material making up Vaders mechanical parts
The droid stated the components of Vader's armor were decades-old "junk". So it doesn't seem like there is anything particularly special about his armor, from a technological standpoint.
Like relentless said: what makes the armor special is the guy wearing it.
__________________
"I am tired of Earth. These people.
I am tired of being caught in the tangle of their lives."
I like how if this is the case and we see that Anakin has appeared to Luke. He just decided to not tell him anything about that Wayfinder he has or just anything or none of the others helped Luke out during his search. Great father right there..