Conflict with W3 total cache new version

Hi, after updating to the most recent version of W3 Total Cache, the combination of W3 Total Cache and Woo Product Download from Amazon S3 plugin broke uploads to our media library, causing ‘Http error’ to appear during uploading. I turned on error reporting and got this message (**** appears where I removed our specific server path for privacy):

Fatal error: Uncaught Error: Call to undefined method S3::setSignatureVersion() in *****/public_html/wp-content/plugins/w3-total-cache/CdnEngine_S3_Cf.php:82 Stack trace: #0 ******/public_html/wp-content/plugins/w3-total-cache/CdnEngine_S3_Cf.php(163): W3TC\CdnEngine_S3_Cf->_init(NULL) #1 *****/public_html/wp-content/plugins/w3-total-cache/CdnEngine_S3_Cf.php(149): W3TC\CdnEngine_S3_Cf->invalidate(Array, Array) #2 ******/public_html/wp-content/plugins/w3-total-cache/Cdn_Core.php(267): W3TC\CdnEngine_S3_Cf->purge(Array, Array) #3 *******/public_html/wp-content/plugins/w3-total-cache/Cdn_Plugin.php(158): W3TC\Cdn_Core->purge(Array, Array) #4 ******public_html/wp-includes/class-wp-hook.php(288): W3TC\Cdn_Plugin->update_attached_file('******...') #5 ******/public_html/wp-includes/plugin.php(203): WP_Hook->apply_filters('******...', Array) #6 ******public_html/wp-includes/post.php(335): apply_filters('update_attached...', '******...', in ******/public_html/wp-content/plugins/w3-total-cache/CdnEngine_S3_Cf.php on line 82

We had to disable the Woo Product Download from Amazon S3 plugin in order to restore media library functionality. Just wanted to let you know so that you might be able to address this in a future version.

If you think this is a W3 Total Cache specific problem, please let me know and I will post in their forum instead. Thanks!