Don't know if this is appropriate forum as my suggestion is for the ASM compiler and not for AVR Studio per se.
Here is one useful suggestion that shouldn't be hard to implement:
The compiler I am migrating from allow the use of binary constants as follows:
LDI R16,0b0001_0010 ;Note the great use of the "_" to break the
;byte into two nybbles
It sure is a LOT easier on the eyes than starring at:
Thanks for your time and consideration.