Careful when you upgrade, if you open a project with 9.5 it will show these warnings:
The plug-in “EQ” could not be found for Insert 3 Channel “InputChannel”!
The plug-in “Standard Compressor” could not be found for Insert 2 Channel “VSTOutputChannel”!
The plug-in “EQ” could not be found for Insert 3 Channel “VSTOutputChannel”!
The plug-in “Maximizer” could not be found for Insert 6 Channel “VSTOutputChannel”!
The plug-in “EQ” could not be found for Insert 3 Channel “VSTOutputChannel”!
The plug-in “EQ” could not be found for Insert 3 Channel “Synth”!
The plug-in “StereoEnhancer” could not be found for Insert 7 Channel “Synth”!
The plug-in “Noise Gate” could not be found for Insert 1 Channel “Synth”!
I’m not sure what it means but it looks like the old EQ, Maximizer, StereoEnhancer plugins are not backwards compatible and will not allow you to work with Cubae 9.5 anymore.