It would be nice to have the version of the JMeter that was used to create (or update) a script in the jmx file. For example, it could be saved as an attribute of the jmeterTestPlan tag: <jmeterTestPlan version="1.2" properties="2.2" jmeter:version="2.6">
*** This bug has been marked as a duplicate of bug 53673 ***
This issue has been migrated to GitHub: https://github.com/apache/jmeter/issues/2875