Thank you, Hervé, for trying to bring this to a conclusion.


My vote: +1 on option B (revert to 4.0.0 XML namespace, force explicit modelVersion back). I side with Elliotte here; let's keep the format open for tools outside of the Maven code.



Maarten

On 01/04/2026 07:27, Hervé Boutemy wrote:
typo fix: we're voting on the new pom.xml = the BUILD one (the consumer remains
the Maven 3 one)
sorry, here is the fixed message, for sake of precision:

after a long discussion on consequences of each choice, it's time to make a
decision:

option A:
keep 4.1.0 XML namespace that permits modelVersion inference since 4.0.0-
alpha-6
= promote simplified build POM like:
<project xmlns="http://maven.apache.org/POM/4.1.0";>
...
</project>


option B:
revert to 4.0.0 XML namespace, forcing explicit modelVersion back:
<project xmlns="http://maven.apache.org/POM/4.0.0";>
   <modelVersion>4.1.0</modelVersion>
...
</project>
= finish the revert PR https://github.com/apache/maven/pull/10952



no discussion please, even less digression, just a majority vote to make a
final decision and let us work on the few other topics necessary to release
Maven 4.0.0 after years of hard work.


just a majority vote:
A. <project xmlns="http://maven.apache.org/POM/4.1.0";>
or
B. <project xmlns="http://maven.apache.org/POM/4.0.0";>

vote open for at least 72h

Regards,

Hervé


Le mardi 31 mars 2026, 23:21:38 CEST Hervé Boutemy a écrit :
after a long discussion on consequences of each choice, it's time to make a
decision:

option A:
keep 4.1.0 XML namespace that permits modelVersion inference since 4.0.0-
alpha-6
= promote simplified consumer POM like:
<project xmlns="http://maven.apache.org/POM/4.1.0";>
...
</project>


option B:
revert to 4.0.0 XML namespace, forcing explicit modelVersion back:
<project xmlns="http://maven.apache.org/POM/4.0.0";>
   <modelVersion>4.1.0</modelVersion>
...
</project>
= finish the revert PR https://github.com/apache/maven/pull/10952



no discussion please, even less digression, just a majority vote to make a
final decision and let us work on the few other topics necessary to release
Maven 4.0.0 after years of hard work.


just a majority vote:
A. <project xmlns="http://maven.apache.org/POM/4.1.0";>
or
B. <project xmlns="http://maven.apache.org/POM/4.0.0";>

vote open for at least 72h

Regards,

Hervé



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