Well the plan was quite simple, just not that widely known.Ĩu20, 8u40, 8u60 and so on were 'feature' releases, while all the rest were security patch releases. Looking at Java 8, once it was released there was a regular frequency of 'update' releases.īut there were also many others - 8u5, 8u11, 8u25, 8u31, 8u45, 8u51, 8u65, 8u66, 8u71, 8u73, 8u74, 8u77, etc. However, life wasn't actually as simple as it seemed. JDK BPR are only available as commercial offerings to Oracle customers.There was a 'major' Java release every few years and it contained lots of new features, for example Java 5, 6, 7 and 8.Įach major release included new JDK methods, new JDK classes, deprecations, new JVM features and new language features. These are only available for Java Development Kit (JDK). Is the Oracle developer community web site ĭon’t mess up with BPR and public releases. More details about PSU and CPU releases can be found hereĪ list of current JRE releases can be found here

Java PSU releases should only be used if you are being impacted by one of the additional bugs fixed in that version.įirst PSU will be released then CPU will follow. Java SE Patch Set Updates (PSU) contain all of fixes in the corresponding CPU release, as well as additional non-critical fixes. Normaly released on Oracle Technology Network (OTN) and not for public. Oracle recommends to public users to upgrade to the latest CPU release. The subsequent CPU release will contain all of the fixes from the current PSU. But what does that mean? Here a short overview about CPU and PSU releases. This is unusal and confusing the world because Oracle recommends to the public to use CPU releases and not PSU releases. Currently Oracle did release a Java Runtime Environment (JRE) 8u66 PSU version on.

Java se development kit 8u66 use