From version 5.0 onward, Shield is part of X-Pack. For more information, see Securing the Elastic Stack.
Elastic Docs ›Shield - Elasticsearch Security Plugin [1.2]
« Appendix 8. Reference Upgrading Shield »

Appendix 9. Release Notesedit

Version Compatibilityedit

Shield 1.2.x is compatible with:

  • elasticsearch: 1.5.0+
  • license: 1.0
« Appendix 8. Reference Upgrading Shield »