Attention Mac App Store Customers
A change was recently made to the Mac App Store that appears to have have negatively affected Textual's ability to process in-app purchases. This problem is not a result of a change in Textual which caught us off guard. A solution is being looked into but in the meantime you can use Textual outside of the App Store for free by generating a license key.
Sorry for the inconvenience.
Update as of October 11, 2020: The next update of Textual will no longer use in-app purchases to reduce unexpected problems going forward. The update which will contain this change is nearing completion and will be released some time in the second half of October.