The maven repository for 1.8.0 seems to be missing the 1.8.0 source jars. This means people using an IDE can't download these jars automatically to see the geode source in their IDE.
Specifically, we see the following in 1.8 vs 1.7: https://repo.maven.apache.org/maven2/org/apache/geode/geode-core/1.8.0/ geode-core-1.8.0.jar <https://repo.maven.apache.org/maven2/org/apache/geode/geode-core/1.8.0/geode-core-1.8.0.jar> 2018-11-30 03:23 12673898 geode-core-1.8.0.jar.asc <https://repo.maven.apache.org/maven2/org/apache/geode/geode-core/1.8.0/geode-core-1.8.0.jar.asc> 2018-11-30 03:23 821 geode-core-1.8.0.jar.asc.md5 <https://repo.maven.apache.org/maven2/org/apache/geode/geode-core/1.8.0/geode-core-1.8.0.jar.asc.md5> 2018-11-30 03:23 32 geode-core-1.8.0.jar.asc.sha1 <https://repo.maven.apache.org/maven2/org/apache/geode/geode-core/1.8.0/geode-core-1.8.0.jar.asc.sha1> 2018-11-30 03:23 40 geode-core-1.8.0.jar.md5 <https://repo.maven.apache.org/maven2/org/apache/geode/geode-core/1.8.0/geode-core-1.8.0.jar.md5> 2018-11-30 03:23 32 geode-core-1.8.0.jar.sha1 <https://repo.maven.apache.org/maven2/org/apache/geode/geode-core/1.8.0/geode-core-1.8.0.jar.sha1> 2018-11-30 03:23 40 geode-core-1.8.0.pom <https://repo.maven.apache.org/maven2/org/apache/geode/geode-core/1.8.0/geode-core-1.8.0.pom> 2018-11-30 03:23 10855 geode-core-1.8.0.pom.asc <https://repo.maven.apache.org/maven2/org/apache/geode/geode-core/1.8.0/geode-core-1.8.0.pom.asc> 2018-11-30 03:23 821 geode-core-1.8.0.pom.asc.md5 <https://repo.maven.apache.org/maven2/org/apache/geode/geode-core/1.8.0/geode-core-1.8.0.pom.asc.md5> 2018-11-30 03:23 32 geode-core-1.8.0.pom.asc.sha1 <https://repo.maven.apache.org/maven2/org/apache/geode/geode-core/1.8.0/geode-core-1.8.0.pom.asc.sha1> 2018-11-30 03:23 40 geode-core-1.8.0.pom.md5 <https://repo.maven.apache.org/maven2/org/apache/geode/geode-core/1.8.0/geode-core-1.8.0.pom.md5> 2018-11-30 03:23 32 geode-core-1.8.0.pom.sha1 <https://repo.maven.apache.org/maven2/org/apache/geode/geode-core/1.8.0/geode-core-1.8.0.pom.sha1> 2018-11-30 03:23 40 https://repo.maven.apache.org/maven2/org/apache/geode/geode-core/1.7.0/ geode-core-1.7.0-javadoc.jar <https://repo.maven.apache.org/maven2/org/apache/geode/geode-core/1.7.0/geode-core-1.7.0-javadoc.jar> 2018-09-28 00:35 24484055 geode-core-1.7.0-javadoc.jar.asc <https://repo.maven.apache.org/maven2/org/apache/geode/geode-core/1.7.0/geode-core-1.7.0-javadoc.jar.asc> 2018-09-28 00:35 821 geode-core-1.7.0-javadoc.jar.asc.md5 <https://repo.maven.apache.org/maven2/org/apache/geode/geode-core/1.7.0/geode-core-1.7.0-javadoc.jar.asc.md5> 2018-09-28 00:35 32 geode-core-1.7.0-javadoc.jar.asc.sha1 <https://repo.maven.apache.org/maven2/org/apache/geode/geode-core/1.7.0/geode-core-1.7.0-javadoc.jar.asc.sha1> 2018-09-28 00:35 40 geode-core-1.7.0-javadoc.jar.md5 <https://repo.maven.apache.org/maven2/org/apache/geode/geode-core/1.7.0/geode-core-1.7.0-javadoc.jar.md5> 2018-09-28 00:35 32 geode-core-1.7.0-javadoc.jar.sha1 <https://repo.maven.apache.org/maven2/org/apache/geode/geode-core/1.7.0/geode-core-1.7.0-javadoc.jar.sha1> 2018-09-28 00:35 40 geode-core-1.7.0-sources.jar <https://repo.maven.apache.org/maven2/org/apache/geode/geode-core/1.7.0/geode-core-1.7.0-sources.jar> 2018-09-28 00:35 9761555 geode-core-1.7.0-sources.jar.asc <https://repo.maven.apache.org/maven2/org/apache/geode/geode-core/1.7.0/geode-core-1.7.0-sources.jar.asc> 2018-09-28 00:35 821 geode-core-1.7.0-sources.jar.asc.md5 <https://repo.maven.apache.org/maven2/org/apache/geode/geode-core/1.7.0/geode-core-1.7.0-sources.jar.asc.md5> 2018-09-28 00:35 32 geode-core-1.7.0-sources.jar.asc.sha1 <https://repo.maven.apache.org/maven2/org/apache/geode/geode-core/1.7.0/geode-core-1.7.0-sources.jar.asc.sha1> 2018-09-28 00:35 40 geode-core-1.7.0-sources.jar.md5 <https://repo.maven.apache.org/maven2/org/apache/geode/geode-core/1.7.0/geode-core-1.7.0-sources.jar.md5> 2018-09-28 00:35 32 geode-core-1.7.0-sources.jar.sha1 <https://repo.maven.apache.org/maven2/org/apache/geode/geode-core/1.7.0/geode-core-1.7.0-sources.jar.sha1> 2018-09-28 00:35 40 geode-core-1.7.0.jar <https://repo.maven.apache.org/maven2/org/apache/geode/geode-core/1.7.0/geode-core-1.7.0.jar> 2018-09-28 00:35 13009887 geode-core-1.7.0.jar.asc <https://repo.maven.apache.org/maven2/org/apache/geode/geode-core/1.7.0/geode-core-1.7.0.jar.asc> 2018-09-28 00:35 821 geode-core-1.7.0.jar.asc.md5 <https://repo.maven.apache.org/maven2/org/apache/geode/geode-core/1.7.0/geode-core-1.7.0.jar.asc.md5> 2018-09-28 00:35 32 geode-core-1.7.0.jar.asc.sha1 <https://repo.maven.apache.org/maven2/org/apache/geode/geode-core/1.7.0/geode-core-1.7.0.jar.asc.sha1> 2018-09-28 00:35 40 geode-core-1.7.0.jar.md5 <https://repo.maven.apache.org/maven2/org/apache/geode/geode-core/1.7.0/geode-core-1.7.0.jar.md5> 2018-09-28 00:35 32 geode-core-1.7.0.jar.sha1 <https://repo.maven.apache.org/maven2/org/apache/geode/geode-core/1.7.0/geode-core-1.7.0.jar.sha1> 2018-09-28 00:35 40 geode-core-1.7.0.pom <https://repo.maven.apache.org/maven2/org/apache/geode/geode-core/1.7.0/geode-core-1.7.0.pom> 2018-09-28 00:35 13258 geode-core-1.7.0.pom.asc <https://repo.maven.apache.org/maven2/org/apache/geode/geode-core/1.7.0/geode-core-1.7.0.pom.asc> 2018-09-28 00:35 821 geode-core-1.7.0.pom.asc.md5 <https://repo.maven.apache.org/maven2/org/apache/geode/geode-core/1.7.0/geode-core-1.7.0.pom.asc.md5> 2018-09-28 00:35 32 geode-core-1.7.0.pom.asc.sha1 <https://repo.maven.apache.org/maven2/org/apache/geode/geode-core/1.7.0/geode-core-1.7.0.pom.asc.sha1> 2018-09-28 00:35 40 geode-core-1.7.0.pom.md5 <https://repo.maven.apache.org/maven2/org/apache/geode/geode-core/1.7.0/geode-core-1.7.0.pom.md5> 2018-09-28 00:35 32 geode-core-1.7.0.pom.sha1 <https://repo.maven.apache.org/maven2/org/apache/geode/geode-core/1.7.0/geode-core-1.7.0.pom.sha1> 2018-09-28 00:35 40