What’s the basic difference? Is it worth upgrading?
Here you can read, what’s new in Cubase 11. For every single feature, you can see, which edition contains the feature.
You can also download Cubase Elements 11 Trial and try it by your own, if it’s worth for you or not.
I upgraded because 11 offers side chaining which 10.5 Elements didn’t have. Totally worth it for me.
It’s also discussed here:
I agree. And with the summer sale, it’s only £15 to upgrade. Result!