IMPORTANT: No additional bug fixes or documentation updates
will be released for this version. For the latest information, see the
current release documentation.
Elasticsearch version 8.0.0-alpha1
editElasticsearch version 8.0.0-alpha1
editAlso see Breaking changes in 8.0.
Breaking changes
edit- Aggregations
-
- Percentiles aggregation: disallow specifying same percentile values twice #52257 (issue: #51871)
- Remove Adjacency_matrix setting #46327 (issues: #46257, #46324)
-
Remove
MovingAverage
pipeline aggregation #39328 -
Remove deprecated
_time
and_term
sort orders #39450 - Remove deprecated date histo interval #75000
- Allocation
- Analysis
- Authentication
- CCR
- Cluster Coordination
- Distributed
- Engine
- Features/CAT APIs
- Features/Features
- Features/ILM+SLM
- Features/Indices APIs
-
- Change prefer_v2_templates parameter to default to true #55489 (issues: #53101, #55411)
-
Remove deprecated
_upgrade
API #64732 (issue: #21337) - Remove local parameter for get field mapping request #55100 (issue: #55099)
-
Remove
include_type_name
parameter from REST layer #48632 (issue: #41059) -
Remove the
template
field in index templates #49460 (issue: #21009)
- Features/Watcher
-
- Move watcher history to data stream #64252
- Geo
- Infra/Circuit Breakers
-
- Fixed synchronizing inflight breaker with internal variable #40878
- Infra/Core
-
- Fail when using multiple data paths #72184 (issue: #71205)
- Limit processors by available processors #44894 (issue: #44889)
-
Remove
nodes/0
folder prefix from data path #42489 -
Remove
bootstrap.system_call_filter
setting #72848 -
Remove
fixed_auto_queue_size
threadpool type #52280 -
Remove
node.max_local_storage_nodes
#42428 (issue: #42426) - Remove camel case named formats #60044
- Remove legacy role settings #71163 (issues: #54998, #66409, #71143)
-
Remove
processors
setting #45905 (issue: #45855) -
Remove the
local
parameter of/_cat/nodes
#50594 (issues: #50088, #50499) - Remove the listener thread pool #53314 (issue: #53049)
- Remove the node local storage setting #54381 (issue: #54374)
-
Remove the
pidfile
setting #45940 (issue: #45938) -
Removes
week_year
date format #63384 (issue: #60707)
- Infra/Logging
- Infra/Plugins
- Infra/REST API
- Infra/Resiliency
- Infra/Scripting
- Infra/Settings
- Machine Learning
- Mapping
- Network
- Packaging
- Recovery
- Reindex
- Rollup
- Search
-
- Decouple shard allocation awareness from search and get requests #45735 (issue: #43453)
- Fix range query on date fields for number inputs #63692 (issue: #63680)
- Make fuzziness reject illegal values earlier #33511
- Make remote cluster resolution stricter #40419 (issue: #37863)
- Parse empty first line in msearch request body as action metadata #41011 (issue: #39841)
-
Remove
CommonTermsQuery
andcutoff_frequency
param #42654 (issue: #37096) -
Remove
type
query #47207 (issue: #41059) -
Remove
use_field_mapping
format option for docvalue fields #55622 -
Remove deprecated
SimpleQueryStringBuilder
parameters #57200 -
Remove deprecated
search.remote
settings #42381 (issues: #33413, #38556) -
Remove deprecated sort options:
nested_path
andnested_filter
#42809 (issue: #27098) - Remove deprecated vector functions #48725 (issue: #48604)
-
Remove support for
_type
in searches #68564 (issues: #41059, #68311) - Remove support for sparse vectors #48781 (issue: #48368)
-
Remove the object format for
indices_boost
#55078 -
Removes type from
TermVectors
APIs #42198 (issue: #41059) - Removes typed endpoint from search and related APIs #41640
- Set max allowed size for stored async response #74455 (issue: #67594)
-
indices.query.bool.max_clause_count
now limits all query clauses #75297
- Security
-
- Remove obsolete security settings #40496
- Remove support of creating CA on the fly when generating certificates #65590 (issue: #61884)
-
Remove the
id
field from theInvalidateApiKey
API #66671 (issue: #66317) - Remove the migrate tool #42174
- Compress audit logs #64472 (issue: #63843)
- Remove insecure settings #46147 (issue: #45947)
- Snapshot/Restore
- TLS
Breaking Java changes
edit- Authentication
- CCR
-
-
Remove the
CcrClient
#42816
-
Remove the
- CRUD
- Client
-
-
Remove
SecurityClient
from x-pack #42471
-
Remove
- Features/ILM+SLM
- Features/Monitoring
-
-
Remove
MonitoringClient
from x-pack #42770
-
Remove
- Features/Watcher
-
-
Remove
WatcherClient
from x-pack #42815
-
Remove
- Infra/Core
- Infra/REST API
-
-
Copy HTTP headers to
ThreadContext
strictly #45945
-
Copy HTTP headers to
- Machine Learning
-
-
Remove the
MachineLearningClient
#43108
-
Remove the
- Mapping
-
-
Remove type filter from
GetMappings
API #47364 (issue: #41059) -
Remove
type
parameter fromPutMappingRequest.buildFromSimplifiedDef()
#50844 (issue: #41059) -
Remove unused parameter from
MetadataFieldMapper.TypeParser#getDefault()
#51219 -
Remove
type
parameter fromCIR.mapping(type, object...)
#50739 (issue: #41059)
-
Remove type filter from
- Search
-
-
Removes types from
SearchRequest
andQueryShardContext
#42112
-
Removes types from
- Snapshot/Restore
Enhancements
edit- Analysis
-
-
Move
reload_analyzers
endpoint to x-pack #43559
-
Move
- Authentication
- EQL
- Engine
- Features/CAT APIs
- Features/Stats
- Features/Watcher
-
- Remove Watcher history clean up from monitoring #67154
- Infra/Core
- Infra/Logging
- Infra/REST API
-
- Allow for field declaration for future compatible versions #69774 (issue: #51816)
- Introduce stability description to the REST API specification #38413
- Parsing: Validate that fields are not registered twice #70243
- Support response content-type with versioned media type #65500 (issue: #51816)
- [REST API Compatibility] Typed endpoints for index and get APIs #69131 (issue: #54160)
- [REST API Compatibility] Typed endpoints for put and get mapping and get field mappings #71721 (issues: #51816, #54160)
-
[REST API Compatibility] Allow
copy_settings
flag for resize operations #75184 (issues: #38514, #51816) - [REST API Compatibility] Allow for type in geo shape query #74553 (issues: #51816, #54160)
-
[REST API Compatibility] Always return
adjust_pure_negative
value #75182 (issues: #49543, #51816) - [REST API Compatibility] Clean up x-pack/plugin rest compat tests #74701 (issue: #51816)
-
[REST API Compatibility] Do not return
_doc
for empty mappings in template #75448 (issues: #51816, #54160, #70966, #74544) -
[REST API Compatibility] Dummy REST action for
indices.upgrade
API #75136 (issue: #51816) - [REST API Compatibility] REST Terms vector typed response #73117
-
[REST API Compatibility] Rename
BulkItemResponse.Failure
type field #74937 (issue: #51816) - [REST API Compatibility] Type metadata for docs used in simulate request #74222 (issues: #51816, #54160)
-
[REST API Compatibility] Typed
TermLookups
#74544 (issues: #46943, #51816, #54160) - [REST API Compatibility] Typed and x-pack graph explore API #74185 (issues: #46935, #51816, #54160)
- [REST API Compatibility] Typed endpoint for bulk API #73571 (issue: #51816)
- [REST API Compatibility] Typed endpoint for multi-get API #73878 (issue: #51816)
-
[REST API Compatibility] Typed endpoints for
RestUpdateAction
andRestDeleteAction
#73115 (issues: #51816, #54160) -
[REST API Compatibility] Typed endpoints for
get_source
API #73957 (issues: #46587, #46931, #51816) - [REST API Compatibility] Typed endpoints for explain API #73901 (issue: #51816)
-
[REST API Compatibility] Typed endpoints for search
_count
API #73958 (issues: #42112, #51816) - [REST API Compatibility] Typed indexing stats #74181 (issues: #47203, #51816, #54160)
- [REST API Compatibility] Types for percolate query API #74698 (issues: #46985, #51816, #54160, #74689)
- [REST API Compatibility] Validate query typed API #74171 (issues: #46927, #51816, #54160)
- [REST API Compatibility] Voting config exclusion exception message #75406 (issues: #51816, #55291)
-
[REST API Compatibility]
MoreLikeThisQuery
with types #75123 (issues: #42198, #51816, #54160) - [REST API Compatibility] Update and delete by query using size field #69606
- [REST API Compatibility] Indicies boost in object format #74422 (issues: #51816, #55078)
- [REST API Compatibility] Typed endpoints for search and related endpoints #72155 (issues: #51816, #54160)
-
[REST API Compatibility] Allow to use size
-1
#75342 (issues: #51816, #69548, #70209) -
[REST API Compatibility] Ignore
use_field_mapping
option for docvalue #74435 (issue: #55622) -
[REST API Compatibility]
_time
and_term
sort orders #74919 (issues: #39450, #51816) -
[REST API Compatability]
template
parameter and field on PUT index template #71238 (issues: #49460, #51816, #68905) - [REST API Compatibility] Make query registration easier #75722 (issue: #51816)
- [REST API Compatibility] Typed query #75453 (issues: #47207, #51816, #54160)
- [REST API Compatibility] Deprecate the use of synced flush #75372 (issues: #50882, #51816)
-
[REST API Compatibility] Licence
accept_enterprise
and response changes #75479 (issues: #50067, #50735, #51816, #58217)
- Infra/Scripting
- Infra/Settings
- License
- Machine Learning
-
- The Windows build platform for the machine learning C++ code now uses Visual Studio 2019 #1352
- The macOS build platform for the machine learning C++ code is now Mojave running Xcode 11.3.1, or Ubuntu 20.04 running clang 8 for cross compilation #1429
- The Linux build platform for the machine learning C++ code is now CentOS 7 running gcc 9.3 #1170
- Add a new application for evaluating PyTorch models. The app depends on LibTorch - the C++ front end to PyTorch - and performs inference on models stored in the TorchScript format #1902
- Mapping
-
- Sparse vector to throw exception consistently #62646
- Packaging
- Recovery
- Reindex
- Rollup
- SQL
-
- Add text formatting support for multivalue #68606
- Add xDBC and CLI support. QA CSV specs #68966
- Export array values through result sets #69512
- Improve alias resolution in sub-queries #67216 (issue: #56713)
- Improve the optimization of null conditionals #71192
-
Push
WHERE
clause inside subqueries #71362 -
Use Java
String
methods forLTRIM/RTRIM
#57594 - QL: Make canonical form take into account children #71266
- QL: Polish optimizer expression rule declaration #71396
- QL: Propagate nullability constraints across conjunctions #71187 (issue: #70683)
- Search
- Security
-
- Add a tool for creating enrollment tokens #74890
- Add the Enroll Kibana API #72207
- Change default hashing algorithm for FIPS 140 #55544
- Create enrollment token #73573 (issues: #71438, #72129)
- Enroll node API #72129
- Not encoding the Api Key in Enrollment token #74510 (issue: #73573)
- Configure security for the initial node CLI #74868
- Snapshot/Restore
- TLS
Bug fixes
edit- Aggregations
-
-
Fix BWC issues for
x_pack/usage
#55181 (issue: #54847) -
Fix
DoubleBounds
null serialization #59475 -
Fix
TopHitsAggregationBuilder
adding duplicate_score
sort clauses #42179 (issue: #42154) -
Fix
t_test
usage stats #54753 (issue: #54744) -
Throw exception if legacy interval cannot be parsed in
DateIntervalWrapper
#41972 (issue: #41970)
-
Fix BWC issues for
- CCR
- Cluster Coordination
- Distributed
- Features/CAT APIs
- Features/Java High Level REST Client
- Geo
- Infra/Core
- Infra/Logging
- Infra/REST API
- Infra/Scripting
- Machine Learning
-
-
Handle null value of
FieldCapabilitiesResponse
#64327
-
Handle null value of
- Mapping
- Packaging
- SQL
- Search
-
-
Check for negative
from
values in search request body #54953 (issue: #54897) -
Fix
VectorsFeatureSetUsage
serialization in BWC mode #55399 (issue: #55378) -
Handle total hits equal to
track_total_hits
#37907 (issue: #37897) - Improve error msg for CCS request on node without remote cluster role #60351 (issue: #59683)
-
Check for negative
- Snapshot/Restore
Upgrades
edit- Lucene
-
- Upgrade to Lucene 8.9.0 #74729