I think it's just that it started with logging

On Monday, March 31, 2014, Kevin Decker <notifications@github.com> wrote:

> In README.md:
>
> > +
> > +Collection views follow the same restore rules as helper views but add the ability to restore nested child views.
> > +
> > +Rerender cases (additional to the helper cases):
> > +- Use of a block helper that has a `../` reference:
> > +```html
> > +  {{#collection}}{{../foo}}{{/collection}}
> > +```
> > +- Use of collections that do not have an `id` value.
> > +
> > +Note that overriding `renderItem` is allowed but discouraged as this has additional overhead vs. providing an `itemView` or `itemTemplate` value. This also applies to `renderEmpty`.
> > +
> > +
> > +## Best Practices
> > +
> > +In general there are a number of things that help avoid rerender cases.
>
> These are the subsections below this one. Hopefully this was clear.
>
> --
> Reply to this email directly or view it on GitHub<https://github.com/walmartlabs/thorax/pull/345/files#r11144425>
> .
>