# Release Management

## Event Centres

Event centres are directly integrated into Sportsbook websites & apps. IMG Arena's release process is designed to reduce the amount of ongoing integration work we ask our partners to perform - whilst also retaining the option to support sportsbooks wishing to make updates part of their internal QA process.

### Versioning

All releases are published using [SEMVER](https://semver.org/) and follow the pattern:

`<major>.<minor>.<patch>`

`major`: Contains either breaking changes or significant UI updates that may require review.

`minor`: Does not contain any breaking changes, but may include feature enhancements & refactoring that does not change the core experience

`patch`: Essential bug fixes required for the correct function of the app only

A sportsbook can embed a version of the event centre linked to a SEMVER path e.g.

`5.2.1` locked to a patch release, no changes possible. \[**not recommended**]

`5.2.x` no minor changes but will update to include essential patch releases

`5.x` no major (breaking) changes but will update to include feature enhancements and essential patch releases. \[**recommended**]

There are some special tags that allow shortcuts to latest versions:

`latest` the latest stable release of the app

`beta` experimental branch used to preview an upcoming major release (unstable)

`dev` development branch (unstable)

### Support Framework

We make considerable efforts not to introduce breaking changes, but from time to time this may be necessary due to underlying changes for our data suppliers for example.

All Changes will be published with comprehensive release notes.

`major` releases can be expected quarterly, at which point the previous release will enter a 3 month end-of-life period.

`minor` releases can be expected monthly, minor releases are supported for the duration of the major release.

`patch` releases are ad-hoc and should be applied to assure the continued function of the application.


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