Milestones

The JDK 7 development schedule is divided into a sequence ofmilestone cycles, most five to ten builds in length, with buildsoccuring roughly once each week. There will be no formal beta orearly-access releases, as in the past. Major features and otherpotentially-destabilizing changes will targeted for integrationearly in a specific milestone.

Here is the current high-level milestone schedule, with thefeatures targeted to each cycle:

M1	2009/01/02 – 2009/02/19 (b48)7 builds
Gervill sound synthesizer
Usethe Windows Vista IPv6 stack
(ALL CHANGES)
M2	2009/02/20 – 2009/04/02 (b53)5 builds
JSR 203:More new I/O APIs for the Java platform (NIO.2)
Methodto close a URLClassLoader
(ALL CHANGES)
M3	2009/04/03 – 2009/05/14 (b59)6 builds	JavaOne Preview
Createnew platform APIs for 6u10 graphics features
JSR 292:Support for dynamically-typed languages (InvokeDynamic)
Nimbuslook-and-feel for Swing
SCTP(Stream Control Transmission Protocol)
SDP(Sockets Direct Protocol)
Upgradeclass-loader architecture
(ALL CHANGES)
M4	2009/06/05 – 2009/07/23 (b66)7 builds
(ALL CHANGES)
M5	2009/07/24 – 2009/11/12 (b76)10 builds
Concurrency and collections updates(jsr166y)
Elliptic-curve cryptography (ECC)
SwingJLayer component
(ALL CHANGES)
M6	2009/11/27 – 2010/02/18 (b84)8 builds
(ALL CHANGES)
M7	2010/02/26 – 2010/04/15 (b89)5 builds
(ALL CHANGES)
M8	2010/04/16 – 2010/06/03 (b96)7 builds
(ALL CHANGES)
M9	2010/06/04 – 2010/07/29 (b103)7 builds
Strict class-file checking
XRenderpipeline for Java 2D
(ALL CHANGES)
M10	2010/07/30 – 2010/09/09 (b109)6 builds
(ALL CHANGES)
M11	2010/09/10 – 2010/12/23 (b123)14 builds	Feature Complete
JDBC4.1
JSR 334:Small language enhancements (Project Coin)
Locale enhancement
NIO.2 filesystem provider for zip/jararchives
Separate user locale and user-interfacelocale
TLS1.2
Unicode6.0
(ALL CHANGES)
M12	2010/12/31 – 2011/02/17 (b130)7 builds	Developer Preview
Updatethe XML stack
(ALL CHANGES)
M13	2011/02/18 – 2011/06/02 (b145)15 builds	Last scheduled build
Enhanced MBeans
(ALL CHANGES)

One or more release-candidate builds will be declared after thelast scheduled build, aiming for the General Availability releaseon 2011/7/28.