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Jan 31, 2010 · If the ABI changes but the API does not, then the old and new library versions are sometimes called "source compatible". This implies that while a program compiled for one library version will not work with the other, source code written for one will work for the other if re-compiled.
Apr 24, 2024 · If the major version changes, this indicates an incompatible change to the API or ABI. This means that the consumer will have to change their code to move up to this new version. For example, removing a method, or adding or removing parameters to a method would count as a significant version change.
Jan 5, 2024 · Changes to the ABI (Application Binary Interface) and API (Application Programming Interface) can significantly affect software compatibility. Understanding these effects is imperative to ensure seamless interaction between software components and to manage potential disruptions effectively.
Jun 21, 2023 · In some languages, such as Swift, the standard library is ABI stable — that is, even source-breaking changes to the runtime or standard library must remain backwards-compatible with already-compiled programs. Additionally, programs compiled with a newer version of the compiler that don’t use new runtime components must continue to work with ...
May 9, 2021 · The ability (or not) to change the private variables of an STL class from one version of a C++ release to another. Changing such private variables (along with a few other things) would be deemed an ABI Break.
Oct 14, 2015 · The two are basically independent; you can also make changes that break API but not ABI (such as renaming a field in a structure). In that case, existing compiled code will continue to work, but you have to change the source code before you can compile it again.
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Totally stable: no changes are allowed to the API, only to the implementation. Typically, projects commit to backwards-compatibility when they say an API is ‘stable’. Very few projects commit to total stability because it would prevent almost all further development of the project.