grpc/doc/cpp/pending_api_cleanups.md

There are times when we make changes that include a temporary shim for backward-compatibility (e.g., a macro or some other function to preserve the original API) to avoid having to bump the major version number in the next release. However, when we do eventually want to release a feature that does change the API in a non-backward-compatible way, we will wind up bumping the major version number anyway, at which point we can take the opportunity to clean up any pending backward-compatibility shims.

This file lists all pending backward-compatibility changes that should be cleaned up the next time we are going to bump the major version number:

• remove ServerBuilder::SetMaxMessageSize() method from include/grpc++/server_builder.h (commit 6980362)
• remove ClientContext::set_fail_fast() method from include/grpc++/impl/codegen/client_context.h (commit 9477724)