Im not sure why you would be looking at code at all there. You should be able to visually see on larger topics when items are lazy loading. Do you have an example?
3rd party developers would be able to add payment methods of course. If its something you urgently need, it may be worth looking at having custom work done for yourself
Thank you for bringing this issue to our attention! I can confirm this should be further reviewed and I have logged an internal bug report for our development team to investigate and address as necessary, in a future maintenance release.
We support card payments, but do not support direct debit at the present time. Please feel free to post up within our suggestions area if you wish to see something like this appear in the future
You can set up departments which are only accessible to certain members of staff. There isnt howveer a way to set for only some members per department. Departments can only really be set up for certain products
If the notification returns once you have dismissed it, then those functions are able to be run. You would need to contact your hosting company to resolve this issue
You would need to contact your mail provider to see why your email is not working. The issue there is with the mail provider rather than the invision platform unfortunately. I suspect it may be that php mail is not enabled.