I use Polylang and The Events Calendar (PRO) together, and they work fine, except one thing.
On demo site of Events Calendar there is small calendar widget http://demo.tri.be/ - where above calendar are months.
So, when I have Polylang and Events Calendar, after website is loaded the current month name is in English, and when I change month the rest is in Polish (default lang for my website).
When I turn off Polylang, current month's name is properly in Polish.
I wrote to guys from Events Calendar and they told me to ask here about
"if elements which refresh using ajax are supported."
So it's probably the same problem, when I change language to English, and first month is in English, and after change in Polish...
Can you help? Any ideas? :)