On this day last year, #libcurl celebrated its 18th anniversary of not breaking the ABI.
That makes it 19 years now.
https://daniel.haxx.se/blog/2024/10/30/eighteen-years-of-abi-stability/
Discussion
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@bagder Have to read through this as I wonder how that's even possible for a lib of that caliber for such a long time. Afaik ABI breaks pretty easily if one just adds more fields to a struct. So you must have planned ahead very well to keep it ABI stable and upgradable, I guess.
@pythno a combination of planning, luck and dedication I suppose. We don't change structs once introduced (with one exception that I can recall and that works since we only provide a pointer to it)