Elasticsearch version 7.10.1

Allocation

• Fix NPE in toString of FailedShard #64770

CCR

• Stop renew retention leases when follow task fails #65168

CRUD

• Propogate rejected execution during bulk actions #64842 (issue: #64450)

Cluster Coordination

• Fix up roles after rolling upgrade #64693 (issue: #62840)

EQL

• Allow null tiebreakers inside ordinals/sequences #65033 (issue: #64706)
• Fix “resource not found” exception on existing EQL async search #65167 (issue: #65108)
• Fix aggressive/incorrect until policy in sequences #65156

Features/ILM+SLM

• Fix SetSingleNodeAllocateStep for data tier deployments #64679

Features/Watcher

• Watcher understands hidden expand wildcard value #65332 (issue: #65148)

Geo

• Fix handling of null values in geo_point #65307 (issue: #65306)

Infra/Core

• Fix date math hidden index resolution #65236 (issue: #65157)

Infra/Scripting

• Fix Painless casting bug in compound assignment for String #65329
• Revert null-safe behavior to error at run-time instead of compile-time #65099 (issue: #65098)

Machine Learning

• Extract dependent variable’s mapping correctly in case of a multi-field #63813
• Fix bug with data frame analytics classification test data sampling when using custom feature processors #64727
• Fix custom feature processor extraction bugs around boolean fields and custom one_hot feature output order #64937
• Protect against stack overflow while loading data frame analytics data #64947
• Fix a bug where the peak_model_bytes value of the model_size_stats object was not restored from the anomaly detector job snapshots #1572

Mapping

• Correctly serialize search-as-you-type analyzer #65359 (issue: #65319)
• Unused boost parameter should not throw mapping exception #64999 (issue: #64982)

SQL

• Fix the return type problem in the sign function #64845

Search

• Fix cacheability of custom LongValuesSource in TermsSetQueryBuilder #65367
• SourceValueFetcher should check all possible source fields #65375

Snapshot/Restore

• Fix Broken Error Handling in CacheFile#acquire #65342 (issue: #65302)
• Fix Two Snapshot Clone State Machine Bugs #65042

转自 https://www.elastic.co/guide/en/elasticsearch/reference/current/release-notes-7.10.1.html#release-notes-7.10.1