Update Release Notes IndexPlease see the Update Release Notes Index for links to Release Notes for each update and a link to the initial Java SE 6 Release Notes.Changes in 1.6.0_20 (6u20)The full internal version number for this update release is 1.6.0_20-b02 (where "b" means "build"). The external version number is 6u20. OlsonData 2010b6u20 contains Olson time zone data version 2010b. For more information, refer to Timezone Data Versions in the JRE Software .
Security Baseline6u20 specifies the following security baselines for use with Java Plug-in technology:
On October 30, 2008, Java SE 1.4.2 reached its end of service life with the release of 1.4.2_19. Java SE 5.0 reached its end of service life on November 3, 2009, with the release of 5.0u22. Future revisions of Java SE 1.4.2 (1.4.2_20 and above) and Java SE 5.0 (5.0u23 and above) include the Access Only option and are available to Java SE for Business subscribers. For more information about the security baseline, see Deploying Java Applets With Family JRE Versions in Java Plug-in for Internet Explorer .
ChangesA Java Network Launch Protocol (JNLP) file without a <jnlp spec="0.2 1.0" href="draw.jnlp">This means that developers must specify the codebase parameter in a
JNLP file. See the following example:
<jnlp spec="0.2 1.0"
codebase="http://java.sun.com/javase/technologies/desktop/javawebstart/apps/"
href="draw.jnlp">
Bug FixesThis release contains fixes for security vulnerabilities. Other Bug Fixes
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