v2.42.0

New Libraries

We are happy to announce the following GA libraries. Unless specifically noted,
the APIs in these libraries are stable, and are ready for production use.

• Cloud Security Compliance
• Config Delivery API

Updated Libraries

• Network Connectivity - added support for DataTransferService (#15464)

Spanner

• perf(spanner): Use arenas to speed up queries that fetch many rows (#15441)

Storage

• feat(storage): Remove unnecessary code which was causing race condition (#15551)
• feat(storage): Update the appendable object function to store the Object metadata (#15422)
• feat(storage): Add generation in append_object_spec in resume operation (#15395)

Common Libraries

• perf: Change StreamingReadRpc::Read interface to take ResponseType (#15319)

Google APIs interface definitions

• This release is based on definitions as of 2025-09-05T15:58:06-07:00