https://github.com/grpc/grpc/pull/4859 - "title": "Subchannel Sharing",    "login": "ctiller",
https://github.com/grpc/grpc/pull/5052 - "title": "Fix race condition in transport API",    "login": "ctiller",
https://github.com/grpc/grpc/pull/5053 - "title": "Properly handle \".\" in metadata",    "login": "ctiller",
https://github.com/grpc/grpc/pull/5078 - "title": "Make binary compatibility not the default",    "login": "ctiller",
https://github.com/grpc/grpc/pull/5139 - "title": "Sanity check for version metadata",    "login": "ctiller",
https://github.com/grpc/grpc/pull/5165 - "title": "Bring back gpr",    "login": "ctiller",
https://github.com/grpc/grpc/pull/5191 - "title": "Fix docker inception for now",    "login": "ctiller",
https://github.com/grpc/grpc/pull/5211 - "title": "Revert \"Proto API for LB request/responses\"",    "login": "ctiller",
https://github.com/grpc/grpc/pull/5213 - "title": "Proto API for LB request/responses (redux)",    "login": "ctiller",
https://github.com/grpc/grpc/pull/5233 - "title": "Small tweak to make some customer code compile",    "login": "ctiller",
https://github.com/grpc/grpc/pull/5257 - "title": "Separate timer checking from pollsets",    "login": "ctiller",
https://github.com/grpc/grpc/pull/5307 - "title": "Change pollset_work signature to allow moving grpc_pollset_worker to implementation",    "login": "ctiller",
https://github.com/grpc/grpc/pull/5365 - "title": "Add a sanity test to ensure that name aliasing rules are obeyed",    "login": "ctiller",
https://github.com/grpc/grpc/pull/5384 - "title": "Fixes for gcc4.4",    "login": "ctiller",
https://github.com/grpc/grpc/pull/5386 - "title": "Add an implementation firewall against pollset_set",    "login": "ctiller",
https://github.com/grpc/grpc/pull/5390 - "title": "Properly initialize TLS var",    "login": "ctiller",
https://github.com/grpc/grpc/pull/5395 - "title": "Optimize generate_projects",    "login": "ctiller",
https://github.com/grpc/grpc/pull/5410 - "title": "Expand gtest suites into individual run_tests tests",    "login": "ctiller",
https://github.com/grpc/grpc/pull/5433 - "title": "Pollset & pollset-set implementation firewalls",    "login": "ctiller",
https://github.com/grpc/grpc/pull/5495 - "title": "clang-format sanity fix",    "login": "ctiller",
https://github.com/grpc/grpc/pull/5496 - "title": "Remove broken test",    "login": "ctiller",
https://github.com/grpc/grpc/pull/5529 - "title": "Fix esan detected race in subchannel state",    "login": "ctiller",
https://github.com/grpc/grpc/pull/5535 - "title": "Refcounting fix for bug exposed by qps_test",    "login": "ctiller",
https://github.com/grpc/grpc/pull/5546 - "title": "Revert \"Update reconnect_interop_client.cc\"",    "login": "ctiller",
https://github.com/grpc/grpc/pull/5551 - "title": "Revert \"Update reconnect_interop_server.cc\"",    "login": "ctiller",
https://github.com/grpc/grpc/pull/5560 - "title": "Fix accept_stream being called post-channel deletion",    "login": "ctiller",
https://github.com/grpc/grpc/pull/5595 - "title": "Fix leak: dont become writable if writes are closed",    "login": "ctiller",
https://github.com/grpc/grpc/pull/5597 - "title": "Revert \"Ensure that no #includes are inside of a namespace.\"",    "login": "ctiller",
https://github.com/grpc/grpc/pull/5609 - "title": "Fix race in poll() based pollset",    "login": "ctiller",
https://github.com/grpc/grpc/pull/5611 - "title": "Fix sanity",    "login": "ctiller",
https://github.com/grpc/grpc/pull/5625 - "title": "Potential fix for race condition exposed by Node",    "login": "ctiller",
https://github.com/grpc/grpc/pull/5638 - "title": "Disable profiling in qps_worker for now",    "login": "ctiller",
https://github.com/grpc/grpc/pull/5639 - "title": "Fix copyright (and master sanity)",    "login": "ctiller",
https://github.com/grpc/grpc/pull/5662 - "title": "Fix comparison direction - fixes timer_list_test flakiness",    "login": "ctiller",
https://github.com/grpc/grpc/pull/5676 - "title": "Fix memory leak: keep all resolver calls under the same lock",    "login": "ctiller",
https://github.com/grpc/grpc/pull/5677 - "title": "Fix memory leak if call is already cancelled",    "login": "ctiller",