Those seem to be the ones being speculated about. Aren't birthdays as a pagan festival pretty heavily ingrained within the JW mindset? So possibly less cosmetic than the other changes?
The "last minute conversion" thing might be considered meatier, but it hasn't been confirmed yet by an official announcement.
Relaxing the rules on clothing styles is arguably a foreseeable next step.
Tertiary education is still seemingly being railed against, if that video of an elder being raked over the coals for his kid going to college is real.