Here is a sample from the Grade 5 resource:
In the left column, the Revised (2012) TEKS are listed. In the right column Supporting Information is given. This includes additional information that did not previously appear in the Side-by-Side documents.
Here is a sample from the Grade 8 resource:
I encourage you to bookmark this resource if you teach grades 5 or 8 and keep an eye out if you teach another grade level, K-8, for these related to your grade level in the future!