limed and abacabadabacaba spoke in previous blog posts about the added functionality of the new Java versions. Why do we here in codeforces still use Java 8 instead of using Java 12 which is an LTS release?
here are the links of their posts:
https://codeforces.com/blog/entry/54713 https://codeforces.com/blog/entry/58502 https://codeforces.com/blog/entry/62120