Changes in 1.6.0_12

The full internal version number for this update release is 1.6.0_12-b04 (where "b" means "build"). The external version number is 6u12.

OlsonData 2008i

This release contains Olson time zone data version 2008i. For more information, refer to Timezone Data Versions in the JRE Software .

Security Baseline

This update release specifies the following security baselines for use with the original Java Plug-in technology:

JRE Family Version Security Baseline 5.0 1.5.0_17 1.4.2 1.4.2_19

For more information about the security baseline, see Deploying Java Applets With Family JRE Versions in Java Plug-in for Internet Explorer .

64-Bit Browser Support for Java Plugin and Java Webstart

Note, if you use 32-bit and 64-bit browsers interchangeably, you will need to install both 32-bit and 64-bit JREs in order to have Java Plug-In for both browsers.

Old Java plugin

Java Kernel

JQS

DeployTK

SSV

Patch in Place

Online installer

Java auto download

Java auto update

JavaFX

Improved application startup and runtime performance are provided.

AWT Support

Limited mixing of heavyweight and lightweight components is supported. Limited mixing means that some components may not be handled perfectly. This includes, but is not limited to, support for non-opaque lightweight components.

Translucent windows may not work correctly on some X11 systems. This problem is described in 6762511.

The Security Warning used with the toplevel windows of an untrusted application has been improved to make it less intrusive and more subtle.

Windows Server 2008 Support

Supported Configurations

Performance Improvements

Performance improvements have been made in the following areas.

Graphics performance improvements for: Anti-aliasing drawing and filing Non-anti-aliasing transformed rectangles and single wide lines

Java Webstart startup time

Bug Fixes

This feature release does not contain any new fixes for security vulnerabilities to its previous release, Java SE 6 Update 11. Users who have Java SE 6 Update 11 have the latest security fixes and do not need to upgrade to this release to be current on security fixes.

Bug fixes are listed in the following table.