JA S3 Amazon package version 2.5.2 for both Joomla! 2.5 & 3.0 is now released. Its an improvement release and now allows inserting S3 images directly into articles using the S3 image button in the content editor. Please take backup before upgrading the extension and one would need to install the button plugin to get the new feature.
Check out our changelog for details.
Please discuss issues related with these updates in the JA Amazon S3 extension forum.