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Works with Drupal: 7.xUsing Composer to manage Drupal site dependencies
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Release notes
Issue #2843639: Clarified the "Don't rewrite CSS/JS file paths" setting's description.
Issue #2630466 by mshade: documented nginx configuration throws 502 gateway error
Issue #2849510 by zaphoyd: Add support for Ohio/us-east-2 region
Caching of instance profile credentials now actually works. Caveat: you now have to actually configure it properly.
WARNING
If you were using instance profile credentials previously, the "Default Cache Location" setting was required, but due to a bug, it had no effect. So configuring the setting incorrectly caused no problems.
Now, a badly configured setting will break your site! So before you upgrade, if you have "Use EC2 Instance Profile Credentials" enabled, make absolutely certain that your "Default Cache Location" setting is set to a folder in which the webserver can read and write. And if you use drush, make sure the user who runs drush can read/write it, too.
The S3 File System developers accept no responsibility for your site going belly up if you don't follow these instructions before upgrading. If something does go wrong, you'll probably be unable to use the UI to fix it, in which case you'll need to edit settings.php. Add $conf['awssdk2_default_cache_config'] = '/path/to/readwritable/folder'; to it to fix the problem.
