Are you in the main account window? The new type-ahead search is only
available when you're looking at a transaction and you're changing the
target account of the transaction.
I'm on windows but for me, in the main account view (where all accounts
are visible) if I type the name of an account
I may be misreading the Changes but I am unable to see the new type-ahead
search when selecting an account. If I type a few letters of the account name,
I see the letters typed in the bottom right corner and the first account with
those letters is selected. If I use the down arrow I will get