Sites are not browsable for non-admin users in Breadcrumb portlet when the site has Membership restricted or private.
The Default Layout permission was replaced with the current Group check.
Disable Group membership checking since it has no relationship to layout browsability.

When we create a new Site the Allow Manual Membership Management option will be disabled by default to avoid uploading malicious files to the Documents and Media portlet.

All filtering in web content now only applies to the current folder. Previously, certain filters exhibited behavior limited to the current folder and now it has been standardized to all filters.

Searching after filtering will clear all existing filters and give a search from the entire data set.