Adaptable version 1.5.1 is available for downloading in the Moodle plugins directory:
https://moodle.org/plugins/theme_adaptable
This version fix some bugs and small improvements.
You can update your moodle site using the internal updater or downloading and install the theme by FTP.
This version is compatible with moodle 3.2 and 3.3 ONLY.
For a version compatible with older moodle versions (3.1 or previous) download version 1.3.3.1