# Advanced Configuration

### Specifying Manifold-Widget Versions in App Blocks

**We recommend using the default values** and not touching the advanced settings. The defaults are the most up to date & stable version of Manifold's`connect-widget` and `campaign-widget.`

However, if you are a merchant that is transitioning from modifying liquid code directly to app blocks, and have been using older versions of the widgets, we allow you to specify version in the corresponding app blocks in the Theme Editor:

1. Manifold Buy Button (Product Page)
2. Manifold Checkout Buttons (Cart Page)

![](/files/9ThEvYLTXbmI4JEnhW2h)

![](/files/V07MRb0O6tjzVOOHdpsq)


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