AutoComplete

Prior to this the autocomplete only found functions that started with the characters you entered.
For example typing in DAY now returns the following:

Intellisense drop-down when you start typing a function name. This drop-down automatically includes user defined functions. SS
This list does not include functions included for backwards compatibility.

The following functions do not appear in the Function Wizard or the AutoComplete
ASC
DATEDIF
JIS
PHONETIC