In WooCommerce products edit screen, there will be new setting in the tab called 'Hide Shipping Info Check this option to hide the shipping dimensions on the product page..
To hide the information on all product pages, you can go WooCommerce > Settings > Products > Display.
If you're interested in contributing to WooCommerce Product Fees head over to GitHub Repo to find out how you can pitch in..
Automatic installation is the option as WordPress handles the file transfers itself and you don't need to leave your browser.
To do automatic install of WooCommerce Product Fees, log in to your WordPress dashboard, navigate to Plugins menu, and click Add New..
The method involves downloading this plugin and uploading it to your webserver via your FTP application.
You can also suggest in the support forums here at WordPress org using the Support on the right...
Bugs can be reported either in the forum or preferably in GitHub Repository...
If I wanted to add product dimensions, I could use Attributes tab and display LxHxW in new variable or include it in the description, both ways would avoid incorrect calculations..
Browse the code, check out SVN repository, or subscribe to the development log by RSS...
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