New comment by ericonr on void-packages repository

https://github.com/void-linux/void-packages/pull/29272#issuecomment-799844783

Comment:
> Out of curiosity, how do I detected ABI changes in this case? I'm still learning about C and want to make better PRs in the future.

Basically if functions change or are removed from the header, as well as changes to the structs described in it (especially the interface one). They seem to be good about making a 0.x.0 release for ABI breaks as well.