DistroWatch is reporting that Fedora Core 4 has been postponed again. The current release schedule:

14. March
Fedora Core 4 Test 1

30. March
String change deadline (data provided)

11. April
Fedora Core 4 Test 2, string build freeze (builds completed)

27. April
Translation deadline (data provided), Fedora Core 4 Test 3 devel freeze

9. May
Fedora Core 4 Test 3, translation build freeze (builds completed) ... Continual freeze, only critical bugs fixed until release

23.May
Absolute devel freeze

6. June
Release open, announced