Some suggestions for contributors.
The upstream sos guidelines provide good git practice with branches and commits:
https://github.com/sosreport/sos/wiki/Contribution-Guidelines
Try to keep roughly within the established bash/awk style.
Where possible, test against sosreports from the in-support versions of RHEL and Ubuntu LTS.
sosreport 3.9 onwards needs to be run with sosreport --allow-system-changes
Fedora would also be nice.
Test execution of the script on latest RHEL and Ubuntu LTS.
Fedora would also be nice.