4.2.0

Add support for GeoLite2-ASN database from Maxmind for ASN data.
Update Java dependencies to 2.9.0 to support the new ASN database.

4.1.1

Add support for commercial databases from Maxmind.
Add ASN data support via GeoIP2-ISP database.

4.1.0

Removed from RubyGems.org since it was missing the default GeoIP2 database.

4.0.6

Docs: Remove patch classes from the main plugin file
Update of the GeoIP2 DB

4.0.5

Docs: Clarify GeoLite2 database support

4.0.4

Update of the GeoIP2 DB
Target should be merged and not completely overwritten (#98)

4.0.3

Update of the GeoIP2 DB

4.0.2

Recreate gem since 4.0.1 lacked jars

4.0.1

Relax constraint on logstash-core-plugin-api to >= 1.60 <= 2.99

4.0.0

Update the plugin to the version 2.0 of the plugin api, this change is required for Logstash 5.0 compatibility. See elastic/logstash#5141
GA release for GeoIP2 database, compatible with LS 5.x

3.0.0-beta3

Return empty result when IP lookup fails for location field (#70)

3.0.0-beta2

Internal: Actually include the vendored jars

3.0.0-beta1

Changed plugin to use GeoIP2 database. See http://dev.maxmind.com/geoip/geoip2/whats-new-in-geoip2/

2.0.7

Depend on logstash-core-plugin-api instead of logstash-core, removing the need to mass update plugins on major releases of logstash

2.0.6

New dependency requirements for logstash-core for the 5.0 release

2.0.5

Use proper field references

2.0.4

Refactor GeoIP Struct to hash conversion to minimise repeated manipulation

2.0.3

Fix Issue 50, incorrect data returned when geo lookup fails

2.0.2

Update core dependency in gemspec

2.0.1

Remove filter? call

2.0.0

Plugins were updated to follow the new shutdown semantic, this mainly allows Logstash to instruct input plugins to terminate gracefully, instead of using Thread.raise on the plugins' threads. Ref: elastic/logstash#3895
Dependency on logstash-core update to 2.0

1.1.2
- Be more defensive with threadsafety, mostly for specs
1.1.1
- Lazy-load LRU cache
1.1.0
- Add LRU cache