1.5.8 release. http://aws.amazon.com/releasenotes/6755333635996778
1.5.8.1 release. http://aws.amazon.com/releasenotes/PHP/6755333635996778
1.5.8.2 release. http://aws.amazon.com/releasenotes/PHP/6755333635996778
1.5.9 release. http://aws.amazon.com/releasenotes/2046915037690407
1.5.10 release. http://aws.amazon.com/releasenotes/7141906828225590
1.5.11 release. http://aws.amazon.com/releasenotes/2692509814768496
1.5.12 release. http://aws.amazon.com/releasenotes/9627673139381926
1.5.13 release. http://aws.amazon.com/releasenotes/2018279050074733
1.5.14 release. http://aws.amazon.com/releasenotes/0994976751217074
1.5.15 release. http://aws.amazon.com/releasenotes/5261285417896036
Update README.md
1.5.16 release. http://aws.amazon.com/releasenotes/8545761433555407
1.5.16.1 release. http://aws.amazon.com/releasenotes/8545761433555407
1.5.17 release. http://aws.amazon.com/releasenotes/4784062790863697
1.5.17.1 release. http://aws.amazon.com/releasenotes/PHP/4784062790863697
1.6.0 release. http://aws.amazon.com/releasenotes/2238950844718536
Updated RDS and SWF clients to latest versions
Added support for the CancelUpdateStack operation in the CloudFormation client
Updated SDK for the 1.6.1 release
Fixed a bug in the EC2 client and added the ability to describe and download DB log files to the RDS client