Upgrade Tool helps you start using the newest version of SXA with no pain! You don’t have to worry about problems with your old content after upgrade.
This post describes the Sitecore Experience Accelerator Search Service. You will find here a description of each parameter, example values and server responses
Have you ever wanted to address some custom serialization case but you couldn’t do it with default predicates? That post might help you.
XA Reference is a SXA website with example configuration for all renderings.
How to solve the issue with tab switching in Experience Editor while using Sitecore Experience Accelerator