How to choose backport version?

Hi all,

I'm working on OpenWRT 22.03.2 branch. For my device, I use external kernel with version 5.10.73. If I want to use cfg80211 at backport package, how do I choose correct backport version?

I check the changelog from GitHub, should I use backports-5.10.68 instead of latest version?
Please advise. Thanks.