Yes, but please note that the update in the forum doesn't have a complete set of files, so you'll still need to download and install the files from the add-ons and then replace the relevant files from the 1.0.6 .zip file in the forum.
Not any time in the foreseable future (plus I'm not really sure what you are after), but if you want to give it a go yourself, anywhere in easypopulate that has a reference to products_weight would simply need to be expanded/replicated to include products_length, products_width and products_height.
Cheers
Rod
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