Distinguish between mailing/billing addresses and physical addresses
Distinguish between mailing/billing addresses and physical addresses so that you can send direct mail to the primary mailing/billing address but visit a constituent at their primary physical address.
Built-in support for seasonal addresses. Some ideas might include: A way for you to indicate the date range when an address is where a constituent prefers to receive mail Automatically changing which address is primary so you don't have to remember
Manage an organization's primary contact easily in a list of all organization contacts
See an organization's primary contact easily in a list of all related constituents (eg show the primary contact on the same screen as other employees, more easily change which employee is the primary contact)
Track just the month and date of a birthday, without the year
Track just the month and date of a birthday, without the year, so that you can segment birthday communications without collecting full birthdates, filling in fake years, or using custom fields.
Collecting a constituent's gender isn't a commonly used data point for most fundraisers - but for those who do find it useful, you often need more flexible options than just "male" and "female". This idea would free up the Gender options either by...