Old version workbook vs new version workbook

I have a 2019/2020 version of Bpp workbook and a 2016/2017 version of Bpp workbook. Although I know the recent the better, biut surprisingly, I’m finding the 2016 version to be more in line with the current syllabus.
One thing I’m assuming that Bpp has changed the way they allign topics in their books. Earlier there used to be Part A, Part B and so on. Nowadays, its like Skills Check Point 1,2 and so on. And lately bpp has divided its topics into two parts, essential skills areas and essential reading areas.
Am I finding it hard to match the syllabus with the latest version of workbook due to reasons mentioned above or anything else?
Could anyone suggest which version should I follow now?