Hey there. We are definitely active on slack:
https://sphreco.herokuapp.com/

Also there is a timetable here:
https://prod.teamgantt.com/gantt/schedule/?ids=790955&public_keys=C1Mbn90auy7Y&zoom=d100&font_size=9&estimated_hours=0&assigned_resources=0&percent_complete=0&documents=0&comments=0&col_width=255&menu_view=1&resource_filter=1&name_in_bar=0&name_next_to_bar=0&resource_names=1#user=&company=&custom=&date_filter=&hide_complete&ids=790955&hide_completed=false&color_filter=