Thank you!
I'm on a tight schedule to deliver so I think I'm going with extracting the HTML of the table with W::M::Chrome and parsing it with HTML-Tree
I'll post my solution in the OP so that can help others in the future.

In reply to Re^5: WWW::Mechanize::Chrome VERY slow on xpath obtaining TDs of a TR by ait
in thread WWW::Mechanize::Chrome VERY slow on xpath obtaining TDs of a TR by ait

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