0.4.0

Doc

• update per sentry dev's rename to local (#628) (456c857d)
• Update instructions for running syncstorage-rs via Docker (#624) (eb5fa003)

Refactor

• quiet clippy warnings (b08a90f1)
• Convert actix-web frontend *_bso calls to async await (#638) (7203b8fb, closes #543)
• convert actix-web front-end calls to async (300f2852, closes #541, #541, #541, #541, #541)
• use u64 instead of i64 for Offset.offset (8f4f4407, closes #414)

Features

• build spanner python utils image (#661) (2060601c)
• log messages from middleware to sentry (#604) (b6ced47a, closes #504)
• Allow for failure "replay" from failure file (#644) (b0f1590f, closes #642)
• Don't report Conflict errors to sentry (#623) (b2d93418, closes #614)
• add async to delete_all (#621) (fdb366da, closes #615)
• emit Db pool metrics periodically (#605) (c3d6946e, closes #406)
• add a --wipe_user mode (16058f20, closes #596)
• latest ops requests (edd0017d)
• Enable circleci remote docker layer caching, speeding up the ci builds. (7d9d521a)

Bug Fixes

• range check the header to avoid a panic (#664) (b73e6ee2, closes #647)
• Make bso_num in migrate_node less truthy (#637) (fa96964f, closes #636)
• don't classify AlreadyExists as a ConflictError (#635) (07276667, closes #633)
• Add retry and sleep to purge_ttl attempts (#620) (38c3295b)
• don't replace user_collections (d6b2dc21)
• convert user_id into bigint (ab2606da, closes #470)
• convert user_id into bigint (8b951137, closes #470)

Chore

• default-run syncstorage (24b600dd)