In testing the HTML5 Uploader (version 164), performance was observed to be robust and reliable. Uploads proceeded smoothly, even with large files and multiple simultaneous uploads. The interface remained responsive, and the progress indicators accurately reflected the upload status.
To a specific version like 1.6.4 (not recommended unless you have local development skills), you would need to:
No more navigating complex file trees; you simply move your folder into the browser window.
Version 1.6.4 was a common stable release, so it appears in the "Scanner" field for thousands of items.