improvement: added ability to sort attributes in import template
improvement: added 'Low stock threshold' option
improvement: added validation for type 6 of import variable products
improvement: added ability to import new variations to existing products
bug fix: creating shipping class -1
bug fix: import _price field when converting variable product into simple
bug fix: import custom fields for variation created from parent row
bug fix: deleting missing variation when link all variations option in use
bug fix: import taxonomy attributes delimited with pipe symbol
bug fix: make product simple & link all variations
bug fix: import ACF fields into first variation
bug fix: import shipping class for variations imported via 2 & 4 options
bug fix: undating only sepcified attributes
bug fix: updating stock qty when _stock field is not set to update
bug fix: import downloadable variations with option 5
bug fix: add only new attributes for variable products
bug fix: matching parent product by title