# WARNING: Using boto3 \>= 1,36.0 may result in errors

**URL:** <https://discourse.mailinabox.email/t/warning-using-boto3-1-36-0-may-result-in-errors/16180>\
**Category:** Maintenance\
**Created:** [December 19, 2025, 7:28pm UTC](https://discourse.mailinabox.email/t/warning-using-boto3-1-36-0-may-result-in-errors/16180 "2025-12-19T19:28:29Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![timo](https://discourse.mailinabox.email/letter_avatar_proxy/v4/letter/t/c4cdca/32.png) [@timo](https://discourse.mailinabox.email/u/timo)\
**Post date:** [December 19, 2025, 7:28pm UTC](https://discourse.mailinabox.email/t/warning-using-boto3-1-36-0-may-result-in-errors/16180/1 "2025-12-19T19:28:30Z")

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Anyone have insight on this warning I got as a backup status?

WARNING: Using boto3 \>= 1,36.0 may result in errors, so we qre applying  
the workaround for [boto3 1.36+ breaks Duplicity...but there is a workaround (#870) · Issues · duplicity / duplicity · GitLab](https://gitlab.com/duplicity/duplicity/-/issues/870)  
export AWS\_REQUEST\_CHECKSUM\_CALCULATION=when\_required  
export AWS\_RESPONSE\_CHECKSUM\_VALIDATION=when\_required  
NOTE: This workaround is temporary and will be removed when issue is fixed.  
.

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**Author:** ![Plx](https://discourse.mailinabox.email/letter_avatar_proxy/v4/letter/p/6f9a4e/32.png) [@Plx](https://discourse.mailinabox.email/u/Plx)\
**Post date:** [January 27, 2026, 6:20pm UTC](https://discourse.mailinabox.email/t/warning-using-boto3-1-36-0-may-result-in-errors/16180/2 "2026-01-27T18:20:34Z")

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Hi Please look at this post: [Location of S3 backup settings - #11 by Plx](https://discourse.mailinabox.email/t/location-of-s3-backup-settings/16208/11)

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**Author:** ![system](https://discourse.mailinabox.email/uploads/default/original/2X/4/4d0933d13c456b7e57f296aa6cc344525b6f0c70.png) [@system](https://discourse.mailinabox.email/u/system)\
**Post date:** [March 8, 2026, 6:21pm UTC](https://discourse.mailinabox.email/t/warning-using-boto3-1-36-0-may-result-in-errors/16180/3 "2026-03-08T18:21:14Z")

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