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https://issues.apache.org/jira/browse/MNG-7238?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17412017#comment-17412017
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Robert Scholte commented on MNG-7238:
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It doesn't belong to the model either, as this kind of information is not part
of the build/release cycle. it has its own "lifecycle".
Suppose you've released version X, and at some time you want to deprecate it.
You cannot touch the pom of X anymore as it is immutable.
And releasing Y with deprecation info about previous releases can't be the
right approach and would bite us in the end.
In my opinion we shouldn't store this information in Central, as it would cause
an extra load on these servers.
> Dependency deprecation indicators
> ---------------------------------
>
> Key: MNG-7238
> URL: https://issues.apache.org/jira/browse/MNG-7238
> Project: Maven
> Issue Type: New Feature
> Reporter: Chris Kilding
> Priority: Major
>
> I would like to propose a new Maven feature: dependency deprecation
> indicators.
> In a nutshell, the idea is to let maintainers set a 'deprecated' metadata
> indicator on a Maven artifact in a repository. This will indicate to users
> that the artifact should no longer be used.
> The Maven CLI tools could then react to deprecation indicators in the
> appropriate ways:
> * {{mvn}} itself: Print a warning when deprecated dependencies are seen.
> * Maven Enforcer Plugin: Add a {{<banDeprecatedDependencies>}} rule which
> throws an error when deprecated dependencies are seen. (Also have a 'skip'
> property which allows the rule to be temporarily bypassed if needed.)
> * Maven Dependency Tree: Print a {{[deprecated]}} notice next to any
> deprecated dependency in the tree.
> We can also envisage automated agents like Dependabot or Snyk using these
> indicators to alert developers about deprecated dependencies in their stacks,
> and even assisting developers to remove them.
> Some of the major build tools outside the JVM already have deprecation
> indicators:
> * NPM: [https://docs.npmjs.com/cli/v7/commands/npm-deprecate]
> * Nuget:
> [https://docs.microsoft.com/en-us/nuget/nuget-org/deprecate-packages]
> * Composer:
> [https://tomasvotruba.com/blog/2017/07/03/how-to-deprecate-php-package-without-leaving-anyone-behind/]
> * Cocoapods: [https://guides.cocoapods.org/syntax/podspec.html#deprecated]
> So the feature has precedent, and I believe it would be useful to have in
> Maven.
> This Jira ticket follows up from the conversation "Feature proposal:
> Dependency deprecation indicators" on the maven-dev mailing list.
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