=== Breaking changes
Settings::
- Remove support for default settings
=== Enhancements
Core::
- Detect remnants of path.data/default.path.data bug
Network::
- Adjust default Netty receive predictor size to 64k
REST::
- Cluster stats should not render empty http/transport types
=== Bug fixes
Aggregations::
- The `filter` and `significant_terms` aggregations should parse the
`filter` as a filter, not a query.
- Restore support for the `include/pattern` syntax.
Bulk::
- Reject empty IDs
Core::
- Improve performance of extracting warning value
- Restrict build info loading to ES jar, not any jar
Discovery::
- ZenDiscovery - only validate min_master_nodes values if local node
is master
Index APIs::
- Honor update request timeout
Inner Hits::
- Replace `NestedChildrenQuery` with `ParentChildrenBlockJoinQuery`
Internal::
- Add infrastructure to mark contexts as system contexts
Java REST Client::
- Make buffer limit configurable in HeapBufferedConsumerFactory
Mapping::
- Preserve response headers when creating an index
- Fix NPE with scaled floats stats when field is not indexed
Network::
- Fix possible hang in local transport when nodes get concurrently
disconnected
Plugin Repository Azure::
- Azure blob store's readBlob() method first checks if the blob exists
Reindex API::
- Fix reindex with a remote source on a version before 2.0.0
Search::
- Disable graph analysis at query time for shingle and cjk filters
producing tokens of different size
- Fix cross-cluster remote node gateway attributes
- Use a fixed seed for computing term hashCode in TermsSliceQuery
Settings::
- Do not set path.data in environment if not set
- Correct handling of default and array settings
Stats::
- Handle existence of cgroup version 2 hierarchy
=== Upgrades
Internal::
- upgrade to Lucene 6.4.2
* Add `--execute-bundle` option to `jekyll new` to disable running bundler
default.
* Now depends on ruby-jekyll-minima and ruby-jekyll-feed. These are used
by default theme of a site created by `jekyll new`.
v3.4.3 2017/3/21
* Backport #5957 for v3.4.x: Allow colons in uri_escape filter (#5968)
