Many users stick with older versions of programming software because "if it isn't broke, don't fix it." However, if you encounter a newer chip that isn't recognized by your current software, updating to v2.1.0.13 is often the solution. It includes updated algorithms that ensure accurate data writing, preventing potential "bricks" of the device you are repairing.
Later versions (2.1.0.14+ or 2.2.x) introduced experimental drivers for new chips, but some users reported random disconnections with CH341a programmers. Version 2.1.0.13 is widely considered the most for 90% of SPI/NOR flashes.
AsProgrammer 2.1.0.13 refers to a specific version of a popular open-source graphical interface tool used for reading, writing, and erasing serial memory chips , most commonly with the CH341A mini programmer