*Hello, Heron Community,This is a call for a vote to the 3rd release candidate for Apache Heron, version v0.20.1-incubating. We kindly request project mentors (binded) as well as all contributors (unbinded) and users to review and vote on this incubator release.*
*The tag to be voted upon:0.20.1-incubating-rc3 (40ccec635b45191593ff984a9ae81fd4e0a5dadd)The full list of changes and release notes are available at:https://github.com/apache/incubator-heron/releases/tag/0.20.1-incubating-rc3 <https://github.com/apache/incubator-heron/releases/tag/0.20.1-incubating-rc3>Source files can be found in dist.apache.org <http://dist.apache.org> site:https://dist.apache.org/repos/dist/dev/incubator/heron/heron-0.20.1-incubating-candidate-3/ <https://dist.apache.org/repos/dist/dev/incubator/heron/heron-0.20.1-incubating-candidate-3/>Source SHA-512 checksums:68e2d4db598d73dc69e474dc82940402dc4689cc14dda14ad114cbaec79b1b3a8926625083e901f8234631f6345c6aa9e58fc0fec3176fce3e91e041e724d3b8 incubator-heron-0.20.1-incubating-rc3.tar.gzPlease download the source package, and follow the compiling guide(https://apache.github.io/incubator-heron/docs/developers/compiling/compiling/ <https://apache.github.io/incubator-heron/docs/developers/compiling/compiling/>)to setup environment, build and run locally. Note that currently Bazel 0.26.0 is required to build this version.After Bazel is set up and works correctly, you can use these release check scripts (https://github.com/apache/incubator-heron/blob/master/scripts/release_check/README.md#run-individual-release-checks <https://github.com/apache/incubator-heron/blob/master/scripts/release_check/README.md#run-individual-release-checks>) to verify the build.The vote will be open for at least 72 hours or until the necessary number of votes are reached.Please vote accordingly:[ ] +1 approve[ ] +0 no opinion[ ] -1 disapprove with the reasonThanks,The Apache Heron (Incubating) Team*
