Bug Fixes

• core: fix calling use before init enabling plugins and causing errors when tracer is disabled (#2209), fixes #2201
• docs: fix reference to mysql2 upstream (#2210), thanks @tcarrio!
• esm: add support for typescript when used with the ts-node loader (DataDog/import-in-the-middle#14), fixes #2190, thanks @fardjad!
• graphql: fix execute and resolve spans always flagged as errors (#2211), fixes #2203
• mocha: fix wrong status with errors on test suite (#2227)
• next: fix default resource being a static value instead of the http method (#2228), fixes #2142
• restify: fix restify breaking the asynchronous context for user stores (#2196), fixes #2191
• typescript: remove invalid experimental:true configuration option (#2180)
• web: fix middleware errors not being also set on the request (#2216), fixes #1944
• web: fix possible disconnected middleware spans for web frameworks (#2214), fixes #2204
• web: fix calling res.end multiple times (#2197), fixes #2161

Improvements

• deps: remove form-data dependency (#2217)
• mocha: add test suites instrumentation (#2172)

Features

• couchbase: add support for couchbase 3.x and 4.x (#2185)
• profiling: add cpu profiler support (#2044)