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@afranken afranken commented Sep 1, 2025

Issue #, if available:
aws-cli: N/A
botocore: boto/botocore#3455
Fixed in botocore 1.40.21

Description of changes:
Fix 100-continue behaviour with servers that do not send the optional reason phrase on 100-continue responses.
See https://www.rfc-editor.org/rfc/rfc9110.html#section-15.1

AWS CLI v1 regularly updates boto / botocore, the newest version includes the fix.
AWS CLI v2 seems to have a copy of some old version of boto / botocore that needs a separate fix.


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Fix 100-continue behaviour with servers that do not send the optional
reason phrase on 100-continue responses.
See https://www.rfc-editor.org/rfc/rfc9110.html#section-15.1
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afranken commented Sep 5, 2025

@adev-code submitted the same fix: #9702

@afranken afranken closed this Sep 5, 2025
@afranken afranken deleted the v2 branch September 5, 2025 11:24
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