FreeBSD 11.1-RELEASE のスケジュールが出たばかりだと、思っていたら 10.4-RELEASE のスケジュールも出た。

Action	Expected	Actual	Description
Initial release schedule announcement	-	29 May 2017	Release Engineers send announcement email to developers with a rough schedule.
Release schedule reminder	28 June 2017	-	Release Engineers send reminder announcement e-mail to developers with updated schedule.
Code slush begins	28 July 2017	-	Release Engineers announce that all further commits to the stable/10 branch will not require explicit approval, however new features should be avoided.
Code freeze begins	11 August 2017	-	Release Engineers announce that all further commits to the stable/10 branch will require explicit approval. Certain blanket approvals will be granted for narrow areas of development, documentation improvements, etc.
BETA1 builds begin	18 August 2017	-	First beta test snapshot.
BETA2 builds begin	25 August 2017	-	Second beta test snapshot.
BETA3 builds begin *	1 September 2017	-	Third beta test snapshot.
releng/10.4 branch	8 September 2017	-	Subversion branch created; future release engineering proceeds on this branch.
RC1 builds begin	8 September 2017	-	First release candidate.
stable/10 thaw	10 September 2017	-	The code freeze on the stable/10 branch is lifted.
RC2 builds begin	15 September 2017	-	Second release candidate.
RC3 builds begin *	22 September 2017	-	Third release candidate.
RELEASE builds begin	29 September 2017	-	10.4-RELEASE builds begin.
RELEASE announcement	3 October 2017	-	10.4-RELEASE press release.
Turn over to the secteam	-	-	releng/10.4 branch is handed over to the FreeBSD Security Officer Team in one or two weeks after the announcement.