The category items got messed up after update

The problem is related to the theme you are using. Since you are using a commercial theme, we cannot help you here in the forum as described here. Please contact the developer of the theme you are using: https://themes.muffingroup.com/betheme/

.mfn-woo-products {
    width: 100%;
    display: block;
}

add this custom CSS, your problem will be solved.

@vijayhardaha
Amazing, it does the magic!!! Thank you, thank you, thank you.