Sometimes, you may see in your Shopify Activity Feed that LimeSpot has updated your theme. It'll look something like this:
Personalizer - Targeted Recommendations by LimeSpot changed theme: Brooklyn
February 15, 2018 at 2:38am
Don't worry. We don't touch the "theme" itself. The only thing that we ever touch on the theme is the limespot.liquid file on the theme, which is our helper code and sometimes needs updates for new functionality, etc.