Fix it please. Rated 2 out of 5 stars
I'm using the latest version of the addon and To-Do's are buggy: their notification popups don't display notifications even if I enable "Show alarm popup" on them, and every time I restart Firefox, the option "Show in tooltip" gets enabled in their properties even if I disabled it (yet they don't show up in tooltips). Please fix these issues, they worked correctly in previous versions.
Also, why on Earth were the tabs for switching between "Reminders" and "ToDo's" replaced with a drop-down list? The tabs were superior, as you just clicked on the corresponding tab; now you have to click on the drop-down list, move the cursor to the corresponding menu item, and click again. It's not something major, but it's weird that such a change that is clearly for the worse was made.