Current PBE Cycle for League of Legends is the preview of what will be released later in next patch. If current PBE cycle is 13.2 that means right now the live patch is 13.1, and all the changes listed on patch 13.2 will be released 2 weeks after 13.1 has come out. You can check the Patch Schedule page to see when exactly the release will happen.
This page will contain the list of blogposts for each patch, most recent at the top.
