The performance is still the same.

For making performances comparable, you must set up the same test period and no weekend borders, which weren't supported in old Zorro versions. The execution engine is slightly different, so not all trades are 100% identical, but this does not matter much. Also the tested account was different, it was probably a mini account with a smaller spread. If you had the old account parameters, you could probably exactly reproduce the old equity curve. With the current micro account I get this curve: