Prior to 11.5, running 32-bit plugins in 64-bit FL Studio required a third-party bridge (like jBridge), which was clunky and crash-prone.

To move your 11.5 projects to another machine without losing samples, always export as a Zipped Loop Package via File > Export .

Many users argue that 11.5 was the most stable build ever released. Later versions introduced "Ghost channel" automation and "Linked clips," which are awesome, but they also introduced bugs. 11.5 is rock solid.

This is the big one. The old "Pattern Blocks" were toggle switches. The new "Clips" were visual objects.