Reitrix, on 16 March 2015 - 12:23 AM, said:
The only size tweaking i can think of is when they made the hitbox of the Centys CT 10% larger, in should be in patch notes somewhere.
The Awesome also got hitbox size tweaks as well as the Cataphract and Jager Cockpits, but i can't recall a time when a 'Mechs phyical appearance got smaller. Though i would love for my Nova to not be as large as a King Crab, I'm not holding my breath on seeing a change there.
Naw, this wasn't hitboxes. This is possibly a Closed Beta Urban Legend, but according to some who were playing it before me, the Centy was not always so wide, but that due to some early hit detection issues, they had to widen it's physical CT.
Again, I can neither confirm nor deny, but this would have been early 2012.