Describe the bug
The appcast URL (https://updates.folivora.ai/dynamic_appcast.php) shows incorrect current information :
<pubDate>Mon, 03 Aug 2020 16:25:35 +0200</pubDate>
It should reflect the version information of the latest downloadable current version 3.504 (https://folivora.ai/releases/BetterTouchTool.zip)
Affected input device (e.g. MacBook Trackpad, Magic Mouse/Trackpad, Touch Bar, etc.):
Homebrew (https://brew.sh) is affected by this, as it has to rely on a paid third party application to detect version updates (https://www.corecode.io/macupdater/appcasts/bettertouchtool.txt), and that is frequently wrong too.
Additional information (e.g. StackTraces, related issues, screenshots, workarounds, etc.):
Workaround is to remove appcast information for bettertouchtool completely from Homebrew, but that will mean users of Homebrew will often be running outdated versions until someone manually updates it with the latest version number (eg. brew bump-cask-pr --version 3.504 bettertouchtool)