'LATEST' placeholder is not resolved correctly for descriptors and repositories

<build>
    <plugins>
        <plugin>
            <groupId>org.apache.karaf.tooling</groupId>
            <artifactId>karaf-maven-plugin</artifactId>
            <version>3.0.2</version>
            <extensions>true</extensions>
            <executions>
                <execution>
                    <id>features-add-to-repo</id>
                    <phase>generate-resources</phase>
                    <goals>
                        <goal>features-add-to-repository</goal>
                    </goals>
                    <configuration>
                        <descriptors>
                            <-- LATEST won't work for descriptors.-->
                            <descriptor>mvn:org.apache.karaf.features/standard-mod/LATEST/xml/features</descriptor>
                        </descriptors>
                        <features>
                            <feature>http</feature>
                        </features>
                    </configuration>
                </execution>
            </executions>
        </plugin>
    </plugins>
</build>

<features xmlns="http://karaf.apache.org/xmlns/features/v1.2.1" name="standard-3.0.2">
    <!-- LATEST won't work for repositories as artifacts are resolved by Maven but not copied into Target folder (searching for LATEST placeholder instead of the version). -->
    <repository>mvn:org.ops4j.pax.web/pax-web-features/LATEST/xml/features</repository>
    <feature name="http" version="3.0.2" description="Implementation of the OSGI HTTP Service" resolver="(obr)">
        <feature version="[3.1.2,5)">pax-http</feature>
        <!-- LATEST will work for bundles (guess this is the same than defining no version) -->
        <bundle start-level="30">mvn:org.apache.karaf.http/org.apache.karaf.http.core/LATEST</bundle> 
        <bundle start-level="30">mvn:org.apache.karaf.http/org.apache.karaf.http.command/LATEST</bundle>
    </feature>
</features>

protected void retrieveDescriptorsRecursively(String uri, Set<String> bundles, Map<String, Feature> featuresMap) {
    Artifact descriptor;
    try {
        descriptor = resourceToArtifact(uri, true);
    } catch (MojoExecutionException e) {
        throw new RuntimeException(e.getMessage(), e);
    }
    if (descriptor != null) {
        // descriptor is resolved via Maven resolver ('latest'-Placeholder is replaced)
        resolveArtifact(descriptor, remoteRepos);
        descriptorArtifacts.add(descriptor);
        // adjust uri with version information from descriptor as URI is not resolved in the process (see subsequent comment)
        uri = uri.toLowerCase();
        uri = uri.replace("/latest/", "/" + descriptor.getBaseVersion() + "/");
    }
    if (includeMvnBasedDescriptors) {
        bundles.add(uri);
    }
    // translateFromMaven-Method just parses URI into the right format, it does not any resolving ('latest'-Placeholder won't be replaced)
    URI repoURI = URI.create(translateFromMaven(uri.replaceAll(" ", "%20")));
    Repository repo = new Repository(repoURI, defaultStartLevel);
    for (Feature f : repo.getFeatures()) {
        featuresMap.put(f.getName() + "/" + f.getVersion(), f);
    }
    if (resolveDefinedRepositoriesRecursively) {
        for (String r : repo.getDefinedRepositories()) {
            retrieveDescriptorsRecursively(r, bundles, featuresMap);
        }
    }
}