Bazel new and noteworthy

Overview of the recent enhancements in Gerrit build tool chain:

• Gerrit project from build perspective
• Managing Gerrit dependencies
• Support recent Java versions 11, 12 and beyond
• Switching between supported Bazel versions using Bazelisk
• Discontinue update of Bazel tool chain on older branches
• Managing external dependencies for Gerrit plugins
• Set up development environment for Gerrit

David Ostrovsky, Gerrit Maintainer