What is the difference between the TL2236B+ and the TL2236B?

The two models are basically the same in terms of most specifications except for some serial bus triggers/decodes. Only the TL2236B+ supports the SD3.0, eMMC4.5, eSPI, NAND Flash, Serial Flash triggers and decodes and the eMMC5.0, eMMC5.1 decodes.