0.6.0

Bug Fixes

• core: fix distributed tracing compatibility of generated IDs (#279)
• core: fix already flushed traces being reused (#277)
• core: fix client sampling resulting in incorrect metrics (#276)
• express: fix repeated traces in some cases (#255)
• http: fix repeated traces on Node <9 when tracing https requests (#268), thanks @alloy!

Features

• amqp10: add amqp10 integration (#254)
• core: add support for sampling priority (#217), closes #208, thanks @stephenh and @alloy!
• core: add an option to enable/disable the tracer (#209)
• express: add option to record HTTP headers (#266), thanks @alloy!
• graphql: add support for subscriptions (#249), fixes #248, thanks @clayne11!
• graphql: add instrumentation for document parsing and validation (#245), thanks @alloy!
• graphql: add option to record variables (#245), thanks @alloy!
• hapi: add hapi integration (#282)
• ioredis: add ioredis integration (#291), closes #259
• koa: add koa integration (#288), closes #202
• memcached: add memcached integration (#290), closes #163
• pg: add support for pg 7.x (#250), thanks @archerabi!
• restify: add restify integration (#289)

Improvements

• core: improve performance of generating IDs (#279)
• deps: remove node-memwatch from optional dependencies (#281), closes #257
• deps: bump url-parse version to address vulnerability (#265), closes #264, thanks @benjamine!