Easy Updates Manager 8.0.5 has been released and includes a small numbers of tweaks and minor improvements (including tweaks to improve compatibility with other extensions, and to improve the clarity of messages going into Slack, and a security fix.
The security defect in previous versions (present since at least version 8.0.1 in October 30th 2018), allowed a logged-in user on the site, if he possessed sufficient skills, to tweak some (but not all) settings. For example, he could adjust the settings for whether automatic (background) theme updates should occur, or not.
We recommend that all users update.