A summary of what is in this release since 1.8.0:

• Further optimized C++ memory usage for FlatBufferBuilder: from 3 to 1 dynamic allocations (!)
• GRPC support in Java & Maven.
• Build files for Bazel and Conan.
• Prefixed size support for Java/C#/Python.
• Typescript docs.
• Many other fixes and improvements, 80 commits since 1.8.0