You are viewing the documentation for an older version of boto (boto2).

Boto3, the next version of Boto, is now stable and recommended for general use. It can be used side-by-side with Boto in the same project, so it is easy to start using Boto3 in your existing projects as well as new projects. Going forward, API updates and all new feature work will be focused on Boto3.

For more information, see the documentation for boto3.

boto v2.9.4


This release adds updated Elastic Transcoder support & fixes several bugs from recent releases & API updates.



  • Fixed a bug in the canonicalization of URLs on Windows. (commit 09ef8c)

  • Fixed glacier part size bug (issue 1478, commit 9e04171)

  • Fixed a bug in the bucket regex for S3 involving capital letters. (commit 950031)

  • Fixed a bug where timestamps from Cloudformation would fail to be parsed. (commit b40542)

  • Several documentation improvements/fixes: