Elasticsearch 1.4.1 has been released

[Andy.N]

http://www.elasticsearch.org/downloads/
enhancements

• Allocation:
  • Take percentage watermarks into account for reroute listener #8382 (issues: #8367, #8368)
  • Reroute shards automatically when high disk watermark is exceeded #8270 (issue: #8146)
  • DiskThresholdDecider#remain(…) should take shards relocating away into account #8659 (issue: #8538)
• Core:
  • clarify index removal log message #8641
• Query DSL:
  • Expose dist/pre/post options for SpanNotQuery #4452

bug fixes

• Aggregations:
  • Fix date_histogram issues during a timezone DST switch #8655 (issue: #8339)
  • Fix geohash grid doc counts computation on multi-valued fields #8574 (issue: #8512)
  • Parser throws NullPointerException when Filter aggregation clause is empty #8527 (issue: #8438)
  • Fix geohash grid aggregation on multi-valued fields. #8513 (issue: #8507)
  • Change nested agg to execute in doc id order #8454
  • size property parsing inconsistent #6061
• Aliases:
  • Take into account _default_ mapping in index template when parsing alias filter in index templates. #8577(issue: #8473)
• Bulk API:
  • Missing parent routing causes NullPointerException #8506 (issue: #8365)
• Core:
  • Remove unnecessary index removal on index creation #8639
  • Change default eager loading behaviour for nested fields and parent/child in bitset cache #8440
  • Don’t eagerly load NestedDocsFilter in bitset filter cache, because it is never used. #8414 (issue: #8394)
  • SerialMergeScheduler never triggers index throttling #8405
• DateMath:
  • Fix semantics of rounding with inclusive/exclusive ranges. #8556 (issue: #8424)
• Discovery:
  • Removed unnecessary DiscoveryService reference from LocalDiscovery #8415 (issue: #8539)
• Fielddata:
  • Fix iterator over global ordinals. #8627 (issue: #8580)
• Fix:
  • If dangling_timeout was set to 0 and auto_import_dangled #8257
• Geo:
  • Fix for geohash neighbors when geohash length is even. #8529 (issue: #8526)
  • Fix for ArithmeticException[/ by zero] when parsing a polygon #8475 (issue: #8433)
• Index API:
  • BWC layer for GetIndex should not block in a listener #8496
• Indices API:
  • Fix GET index API always running all features #8452
  • Fixed backward compatibility issue #8387 (issue: #8364)
• Internal:
  • Don’t pass acceptdocs down to nonNestedDocsFilter in ParentsFilter #8463 (issue: #8461)
  • harden recovery for old segments #8399
  • Don’t pass acceptdocs down to parents filter. #8390 (issue: #8389)
  • Translog leaks filehandles if it’s corrupted or truncated #8372
• Mapping:
  • Fix conflict when updating mapping with _all disabled #8426 (issues: #7377, #8423)
• Packaging:
  • Added quotes to allow spaces in installation path #8428 (issue: #8441)
• Parent/child:
  • Fixed p/c filters not being able to be used in alias filters. #8649 (issues: #5916, #8628)
• Query DSL:
  • Fix wrong error messages in MultiMatchQueryParser #8597
  • Resolve now in date ranges in percolator and alias filters at search time instead of parse time #8534 (issue:#8474)
• Scripting:
  • Add score() back to AbstractSearchScript #8417 (issues: #8377, #8416)
• Scripts:
  • Return new lists on calls to getValues. #8591 (issue: #8576)
• Settings:
  • Tab characters in YAML should throw an exception #8355 (issue: #8259)
  • LogConfigurator resolveConfig also reads .rpmnew or .bak files #7457
• Snapshot/Restore:
  • restore with wait_for_completion=true should wait for succesfully restored shards to get started #8545 (issue:#8340)
  • keep the last legacy checksums file at the end of rest… #8358 (issue: #8119)
  • restore of indices that are only partially available i… #8341 (issue: #8224)
• Stats:
  • Fix Bloom filter ram usage calculation #8584 (issue: #8564)
• Store:
  • Use Lucene checksums if segment version is >= 4.9.0 #8599 (issue: #8587)
  • Calculate Alder32 Checksums for legacy files in Store#checkIntegrity #8407

 

[Andy.N]

1.4.2 has been released as well.

 

[dethfire]

Is it advisable to switch to 1.4.2 or stick with 1.3.7 for now?

 

[rdn]

Is it advisable to switch to 1.4.2