- Client libraries no longer target netstandard1.0 or net40.

Bug fixes:

- #2273 Don't attempt to use an empty/null media type in batch responses
- #2251 Which fixes a typo on then name of one of the AWS Credential environment variables.
- #2264 Which adds a missing line break in AWS Credential canonical request.

Features
- #2269 Support per-request max retry configuration.
- #2228 Supports Quota Project environment variable for ADC.
- #2219 Removes obsolete OOB code. BREAKING CHANGE: We have removed OOB support from the library because the feature is not supported by Google OAuth as of October 3rd 2022. See the [official announcement](https://developers.googleblog.com/2022/02/making-oauth-flows-safer.html#disallowed-oob) for more information.
- #2216 Log errors when trying to reach Compute's metadata server.
- #2177, #2197, #2200, #2206, #2215, #2235 Support for Workload Identity Federation and Worforce Identity Federation.
- #2103 Compute credentials support explicit scopes.
- #2096 Improves deserialization error handling.