As the story mentions, and as you may have realised, the new wording is amusingly ambiguous:
A Plain English Campaign spokesman said: 'There is a debate about whether the word should be "less" or "fewer".
'Saying "Up to ten items" is easy to understand and avoids any debate.'
That may prove to be wishful thinking, as some would argue 'Up to ten items' could be taken to mean 'ten items and no more' or 'nine items or fewer'.
Thanks for this one, Ro.