- Allow retrieval of
_sourcewith Bulk Update API (ba99e50ca0e7302b7d443912f884816c8c629132) - Add Field Capabilities API (d334c06311cb953a4da3b6ade37fdd8b6e29a6e3); Field Stats API is deprecated since 5.4.0
- Add Indices Segments API (3a5e0f6b59d7263e8daed2902427ddc446225c30)
- Fix Task Lists API to accept strings instead of int64 values (07bee6061013afcf0fe1f68929cc4eb87ca08d92)