AMPS version 6.3.11 is now available, which has some minor improvements and bug fixes (you can find release notes below).
How to use AMPS 6.3.11
Use the flag -u 6.3.11 to specify the AMPS version when running your atlas-create--plugin commands or with atlas-run or atlas-run-standalone --product commands. You can also specify the AMPS version in the product POM for existing projects.
Release Date: 22nd November 2017
AMPS-1411 - AMPS chooses version of Tomcat 8.5.x incompatible with Jira Server RESOLVED