[ https://issues.jboss.org/browse/JBIDE-13266?page=com.atlassian.jira.plugi... ] Nick Boldt commented on JBIDE-13266: ------------------------------------ If we start building w/ JDK 7, we will at least ensure that all clients can unpack our stuff: {quote}Previously, the pack200 tool defaulted to using java6 packfiles in the absence of any java6 (or newer) classfiles in a segment. Starting with JDK 7, the pack200 tool defaults to using java5 packfiles for maximum compatibility.{quote} -- http://www.oracle.com/technetwork/java/javase/jdk7-relnotes-418459.html And with everyone being forced to move to JRE7, this should probably be fine: http://www.oracle.com/technetwork/java/javase/documentation/autoupdate-16... -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira