8.4.0
API
get,mgetandsearchaddedforce_synthetic_source: Should this request force synthetic _source? Use this to test if the mapping supports synthetic _source and to get a sense of the worst case performance. Fetches with this enabled will be slower the enabling synthetic source natively in the index.ML.StartTrainedModelDeploymentaddedcache_size: A byte-size value for configuring the inference cache size. For example, 20mb.Snapshot.Getaddedsort,size,order,from_sort_value,after,offsetandslm_policy_filter. More on these in the documentation.
New API
Security.UpdateAPIKeydocumentation.
Typed API
As highlighted in the release not for the 8.4.0-alpha.1, this release marks the beginning of the newly arrived TypedClient.
This new API is still in alpha stage and will be release alongside the existing esapi.
A few examples of standard use-cases can be found in the TypedAPI section of the documentation.