APM 2.6 with Copter 3.3

Arduino released a new version with huge improvements to filesize.
If anyone can try to compile 3.3 to see if it will fit in apm 2.6, would be greatly appreciated.

Read more about it here: http://oomlout.co.uk/blogs/news/arduino-ide-1-6-10-release-boasts-smaller-sketch-sizes

EKF/EK2 requires huge processing power which APM cpu is not capable of. I believe this is the biggest problem, among others to have it running on apm.

alright, makes sense. i thought rom size was the culprit

year, not only that. I own a few apms which I’m planning to put they in another use, like
an antenna tracker.