Strange issue installing new extras in MODX 3.1.0

Summary

Install button doesn’t appear.

Step to reproduce

Download and extra in MODX 3.1.0.

Observed behavior

After downloading, going back to the main Package Management screen, there is no “install” button. The extra is labelled “not installed”, but you have click the the “reinstall” button to install it.

Environment

MODX 3.1.0, MODX Cloud site, PHP 7.4

This is a known bug in MODX 3.1.0.

There already exist a pull request that will fix this issue in the next version.