Katalon Studio 8.0.0.alpha is available here. This is a significant upgrade including a newer version of eclipse (I believe). But take note it’s ALPHA - this is not an official prime-time release!
Katalon Studio 7.5.10 is available here
Katalon Studio 7.5.5 is available here
Katalon Studio 7.5.2 is available here.
Katalon Studio 7.5.1 (official) is available here. Thread topic here.
Release notes:
https://docs.katalon.com/katalon-studio/new/version-70.html
Katalon Studio 7.5.0 (official) is available here. Thread topic here.