Can't update to 3.5 via Mac App Store

[jessegrosjean]

Yes TaskPaper 3 is a paid upgrade. There’s a 50% off upgrade discount if you owned a TaskPaper 1 or 2 license.

More information upgrade discount is here:

Is TaskPaper 3 a paid upgrade?

Yes, TaskPaper 3 is a paid upgrade. And in fact since the Mac App Store doesn’t allow upgrades TaskPaper 3 is just a new app with no special upgrade process pricing. If you have an old TaskPaper license and want a discount please email me (jesse@hogbaysoftware.com) your license or Mac App Store order info and I’ll give you a 50% Off coupon.

More information on why TaskPaper 2 stopped working on Sierra is here:

Why did TaskPaper 2 stop working on macOS Sierra (10.12)?

TaskPaper 2 will not work on macOS Sierra (10.12) and beyond. TaskPaper 2 was an early adopter of OS X cocoa garbage collection memory management… a technology that went from new and shinny to outdated very quickly. In macOS 10.12 the underlying garbage collection technology has been removed from macOS altogether. Unfortunately this means TaskPaper 2 won’t ever be able to work on 10.12 and beyond. To solve the problem you’ll need to upgrade (with a discount) to TaskPaper 3. It uses the same un…