https://nalar.dev/tags/compatibility/ Recent content in Compatibility on Nalar Hugo en-us Tue, 01 Sep 2026 00:00:00 +0700 https://nalar.dev/evolving-apis-without-breaking-clients/ Tue, 01 Sep 2026 00:00:00 +0700 https://nalar.dev/evolving-apis-without-breaking-clients/ <p>An API is not only an HTTP path or function signature. It is a contract about syntax, semantics, timing, errors, ordering, defaults, and lifecycle.</p> <p>Breaking changes often happen because a server remains syntactically compatible while changing one of those less-visible assumptions.</p> <p>Safe API evolution starts by identifying what clients can reasonably depend on and designing changes that allow old and new versions to coexist.</p> <h2 id="compatibility-has-multiple-dimensions">Compatibility has multiple dimensions</h2> <p>A change can preserve JSON shape and still break clients.</p>