I also could not get eclipse to work. Wasted hours trying!
I can get CubeMX and Keil to work though..
I will have to give Truestudio a try again now that I am getting the hang of HAL and the file/folder structures.
It’s good news to hear someone out there is having success with TS since it appears to be free and doesn’t have compiler size limitations like Keil Trial version soon does.