The current version is no longer for sale on the SCAA store, and no date is posted as to when a new edition will be released

Anyone know where I can still get the PDF version of this?

Don't know about the PDF, but found it for sale at the following sites:

http://www.scaaeducation.org/bookstore/ ... -handbook/

https://millcityroasters.com/shop/cuppi ... -handbook/

https://www.sweetmarias.com/product/cof ... ll-edition