Externally visible changes since v1.0.0:
- disk cache: remove oversized files at startup
- http: Add support for receiving and sending /ac/ protobuf in JSON encoding.
- disk cache: avoid leaking cache files in onEvict function
- disk cache: keep better track of currentSize when using a proxy backend
- various fixes for bazel "builds without the bytes"
- automatically raise the limit on the number of open files
- http: set Content-Length on HEAD requests too
- support creds from aws instance metadata
- s3: allow using no prefix
- grpc: add basic htpasswd authentication support
- add ARM64 build
- add gRPC and HTTP endpoint metrics
- don't require explicit empty blob uploads for HTTP either
- add a flag to disable gRPC GetActionResult dependency checks
- grpc: fix canceled writes stuck in in-progress state
- grpc: implement basic idle timeout feature
- cmdline: reject positional arguments
- add flag for enabling metrics and use bigger duration buckets
- gRPC support no longer considered experimental