It is not necessary to forget about now is summer, and in summer the activity less because people rest in summer. Team is working and developing the project.
are you part of development team?
I don't think the summer will effect to them since they said they are from Timor Leste and as far I remember Timor Leste is Tropical Country (Not SubTropical that use Summer and Winter). And I think the Season change doesn't take any big impact to this project.