Russian tanks are mostly rehashes of previous generations, with additional armor and technology.
The Russians give theirs new names and numbers, while we just add -A1, A2, A2SEP, etc.
Nothing really “new” from the Russians.
Dear SJ,
Since you view Russian tanks as ‘the same old same old version ‘x’;
I submit this, as proof of the definition of the word ‘new’:
https://en.wikipedia.org/wiki/T-14_Armata