S3 Express One Zone lacks standard S3 features

7/10 High

S3 Express One Zone (S3E1Z) is missing numerous standard S3 features including object version support, bucket tags, object locks, object tags, and MD5 checksum ETags. It cannot be treated like a normal S3 bucket and lacks multi-zone support, forcing developers to design around deficiencies.

Amazon S3S3 Express One Zone
Category
compatibility
Workaround
hack
Stage
build
Freshness
emerging
Scope
single_lib
Upstream
open
Recurring
Yes
Buyer Type
team
Maintainer
slow

Sources

Collection History

Query: “What are the most common pain points with S3 for developers in 2025?”4/5/2026

S3E1Z is missing a *ton* of standard S3 features including object version support, bucket tags, object locks, object tags, and MD5 checksum ETags. S3E1Z buckets can't be treated like a normal S3 buckets.

Created: 4/5/2026Updated: 4/5/2026