Gsutil

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New Features
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- Allow gsutil to transparently call gcloud storage cp or rm through a shim (enable via the Boto configuration GSUTil:use_gcloud_storage=True)
- Allow external account based credentials (1452)

Bug Fixes
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- Prevent error by only allowing super-user from changing file user when preserve POSIX is enabled. (1461)

Other Changes
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- Several documentation updates and clarifications.

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New Features
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- Check `GCE_METADATA_HOST` environment variable (1426)
- Allow service account to use private token endpoint (1417)
- Add default encryption key option (-k) to mb command (1414)

Bug Fixes
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- PAP: Handle unspecified as well as inherited (1404)

Other Changes
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- Several documentation updates and clarifications.

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Bug Fixes
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- Close upload stream before we try to unlink temp file (1144)
- Do not perform hash validation if check_hashes=never even if Content-MD5 is set (1382)

Other Changes
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- Add warning for unsupported double wildcard use. (1386)
- Changing test email and user references to safer values. (1396)
- Several documentation updates and clarifications.

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New Features
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- Support for new backend features.
- Re-implement removal of project convenience groups (1365)
- Add suffix to user agent to differentiate between types of rewrite command (1359)
- mb command: raise error if json only flags are used for xml API (1358)
- Improve `gsutil rm` and `gsutil rewrite` help pages. (1355)
- Link fix and term update in help docs (1354)

Other Changes
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- Improvements to the Wildcard help topic (1367)
- Improve `gsutil rm` and `gsutil rewrite` help pages. (1355)
- Link fix and term update in help docs (1354)

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New Features
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- Add support for Turbo Replication (RPO). (1351)

Bug Fixes
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- Allow the removal of project convenience groups. (1350)

Other Changes
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- Several documentation updates and clarifications.

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New Features
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- Add cp support for end-to-end encryption via the split-trust encryption tool (STET). (1338)

Bug Fixes
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- Use custom endpoints for resumable updloads on the XML API. (1333)

Other Changes
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- Dropped support for Python 2 to patch RSA security issues. (1339)
- Several documentation updates and clarifications.