olemus
uuele versioonile määratud paiga kohandamine ja rakendamine mingile eelmisele versioonile, enamasti infoturbe eesmärgil
Wiktionary:
backport, verb
1. (computing, transitive) to retroactively supply a fix, or a new feature, to a previous version of a software product at the same time (or after) supplying it to the current version

ülevaateid
https://en.wikipedia.org/wiki/Backporting
https://www.crowdstrike.com/cybersecurity-101/backporting/
http://soft.vub.ac.be/Publications/2021/vub-tr-soft-21-12.pdf
https://en.wikipedia.org/wiki/Java_backporting_tools
https://www.comp.nus.edu.sg/~abhik/pdf/ISSTA21.pdf