Allow donors to be be added without an email address.

Change the URL that donors are returned to when they cancel their donation.

Disable the donation receipt email for offline donations.

Change the output of the line items displayed by the donation summary in email receipts.

Add multiple new fields to your donation form.

In this function we register a new donation field with a key of `receipt_opt_out`. If the…

Set the default donation amount for all campaigns.

Set the maximum donation amount required.

Customize the default donation amount on a per campaign basis.

Remove "organisation" from the profile form.

Example where a donor count is changed for a specific campaign.