Previously, when listing buckets by using the client libraries, JSON API, or RPC API, the request returned an error if some

## Feature Feature Previously, when [listing buckets](https://cloud.google.com/storage/docs/listing-buckets) by using the client libraries, JSON API, or RPC API, the request returned an error if some buckets couldn't be reached because a location was temporarily unavailable. You can now use a partial success option to return a list of buckets that are available, as well as the names of any buckets that can't be reached.