Java™ SE 6 Update 27
The full internal version number for this update release is 1.6.0_27-b07 (where “b” means “build”). The external version number is 6u27.

Highlights
This update release contains important enhancements for Java applications:

  • Improved performance and stability
  • Certification for Firefox 5

Update release notes: http://www.oracle.com/technetwork/java/javase/6u27-relnotes-444147.html

Complete bug fix list: http://www.oracle.com/technetwork/java/javase/2col/6u27bugfixes-444150.html