Depends on what the API is, right? Like, Linux has this law encoded as “don’t break userland”, ie a very absolutist interpretation. This makes sense because the

Depends on what the API is, right? Like, Linux has this law encoded as “don’t break userland”, ie a very absolutist interpretation. This makes sense because the people affected by a breaking Linux API change are not the people responsible for shipping code that depends on undocumented behaviour. But for a lot of APIs, including nearly all OSS libraries that are only updated by the developer using them, your stance makes a lot more sense.