The release of PS4 Patch Builder v1.3.2 coincided with the maturity of the PS4 Jailbreak scene (firmware 5.05, and later 6.72, 9.00, and 9.04 exploits).
Software in the homebrew scene evolves rapidly, but not always linearly. PS4 Patch Builder v132 is not the absolute newest version available, but it is widely regarded as the most stable and versatile build. Here is why v132 stands out: ps4 patch builder v132