A patch repairs existing stuff (bugs). An upgrade adds new stuff or significantly improves/replaces existing stuff (the new graphics engine for example). SBP 3.0 adds roughly 50 new platforms to the already existing 100.
However:
The changes in the particle system they planned to implement, caused much greater efforts than they expected, due to the age of the code SBP still bases on, and they cannot complete the task within the scheduled timeframe. They said three days ago that therefore they will prepare it for a later release, polishing up a bit the existing, old system and use that in the now coming upgrade. Word is they plan to release within the next month, at least they said they do not want to work another month over it.
To shorten the wait, you can kill time by staring at this image.
It is the Bradley in
SBP 3.0.
