Рейтинг 4 из 5 звёзд

NICE!!
Seems to work well.

The only thing I would like is the ability to adjust the colours either through a menu or a note about where the colour is set.

Это отзыв для предыдущей версии этого дополнения (2.0). 

Calendar Tweaks 5.0 allows user customization of 'Today' and 'Selected Day' colors (header background color, day box background color, and border color).