Our company is trying to adopt PowerBI and we went live 2 weeks ago with a series of reports for these 190+ users. As a developer, i am also pushing other business groups in our company to start using Power BI.
Unfortunately performance is extremely bad, especially today (even now). This was highly unfortunate when you are giving a training to 40 people. This did not make a good impression at all, unfortunately. 'yeah, normally its very fast! really!'
No difference in region (US, APAC, EU) or device (mobile, desktop)