anchor.diff:  Security::
   
   * The legacy `XPackExtension` extension mechanism has been removed and replaced
  -with an SPI based extension mechanism that is installed and built as an elasticsearch
  -plugin.
  +with an SPI based extension mechanism that is installed and built as an
  +elasticsearch plugin.
   
  -////
  -[[breaking-6.2.0-xes]]
  -== {xpack} Breaking changes in 6.2
  -
  -No breaking changes have been made (yet).
  -
  -////
   [role="xpack"]
   [[breaking-6.2.0-xes]]
   == {xpack} Breaking changes in 6.2
  
positive.code: This section summarizes the changes that you need to be aware of when migrating
  your application from one version of {xpack} to another.
  
  * <<breaking-6.2.0-xes>>
  * <<breaking-6.1.0-xes>>
  * <<breaking-6.0.0-xes>>
  
negative.code: 
  --
  [role="xpack"]
  [[breaking-6.3.0-xes]]
  == {xpack} Breaking changes in 6.3
  
  This section summarizes the changes that you need to be aware of when migrating
  