why comparisons with bigcache of version 4 years old?

[blank-teer]

fastcache is compared with bigcache by the following commit, it was in 2019
https://github.com/allegro/bigcache/tree/e24eb225f15679bbe54f91bfa7da3b00e59b9768

but since then there have been 80 commits
https://github.com/allegro/bigcache