Pin boto3<1.36.0 because 1.36 introduces breaking changes#270
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This was referenced Jul 31, 2025
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boto3 1.36.0 introduces incompatible changes with non-AWS S3 providers related with integrity checksums: boto/boto3#4392
In our case, it resulted in MissingContentMD5 error thrown by MinIO on DeleteObjects call #269 because boto3 1.36.0 completely removes
Content-MD5evaluation and that's a required header by our MinIO version. Evaluation removal was done here: boto/botocore@590103b#diff-6430b10ddffa7de73a08acc48a810a748dc2b01197c28fc974699d3d1fe9e4ffL1362MinIO adds support for new integrity checksums in fresh release:
but as we don't explicitly require a specific S3 provider and boto3 has still compatibility issues with non-AWS ones, it's much more safe to pin to the previous version for a while and wait until issues are resolved.
closes #269