v6.4.0

• remove final oboe context artifact
• rename context.cc to settings.cc implementing settings only
• move context.createEventX() functions to Event constructor
• augment testing

v6.3.1

• uses oboe v5.1.1 (fixes histogram memory leak)

v6.3.0

• improved environment variable handling
• workaround node v11.10.0+ bug

v6.2.1

• fix incorrect custom metrics key name

v6.2.0

• support alpine 3.9.0 (with openssl)
• support dual access token formats

v6.1.1

• update node-gyp dependency [AO-12762]

v6.1.0

• implement custom metrics interface
• implement flexible metadata/event/context formatter
• update dependencies
• remove mocha devDependency in favor of global installation

v6.0.0

• N-API release
• support transaction-filtering via getTraceSettings()
• improve unsupported platform message [AO-12042]

v5.7.1

• move eslint from dependencies to devDependencies.

v5.6.0

• use oboe 3.2.0 for improved network interface detection