Semantic Versioning – A common versioning standard is Semantic Versioning (SemVer). Under SemVer, versions follow the format MAJOR.MINOR.PATCH, and increments convey the nature of changes. Specifically, the major number increases for incompatible API changes, the minor number increases for added features that remain backward-compatible, and the patch number increases for backward-compatible bug fixes. For example, v2.1.0 to v2.2.0 might add a new indicator without breaking existing functionality, whereas v2.1.0 to v3.0.0 signals a breaking change. Many developers of trading systems and libraries adopt SemVer to make clear what users should expect when updating.

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