In the open-source landscape excluding the fear of something breaking suddenly it’s good to update, even in stock Android they are already watching, no point staying on older versions.
If you don’t archive the updates you’ll have access only to the last 2, now you can go to 7.1, 7.2, 7.3 .
Download the final releases from here, brax3 · master · ota / release · GitLab
The betas are here, ota / betas · GitLab, get the Brax3 one, iode-7.4-20260321-brax3-ota.zip · master · ota / betas · GitLab
Transitional updater needed for 6.x to 7.x transition, to be removed again after update, fixes/Updater-v6-to-v7.apk · master · ota / ota · GitLab
You may have to reconfigure your APN after the update.