v5.6.0

[float]
===== New features
 * Added SERVICE_NODE_NAME config {pull}592[elastic#592]
 * Added instrumentation support for https://github.com/pinterest/pymemcache[`pymemcache`] {pull}812[elastic#812]
 * Added new configuration options `enabled` and `recording` {pull}790[elastic#790]

[float]
===== Bug fixes
 * Fixed an issue with metrics collection raising RuntimeErrors {pull}802[elastic#802]
 * Fixed an issue with getting extended destination data from pymongo {pull}797[elastic#797]
 * Fixed an issue with Tornado instrumentation when Tornado isn't the "main" framework {pull}813[elastic#813]
 * Fixed an issue with streaming requests being consumed by the agent even if capture_body is disabled {pull}817[elastic#817]

[float]
===== Pending Deprecations

 * Python 2.7 suppot will be dropped in version 6.0 of the agent.

Bug fixes

 * Fixed an issue with Redis using unix domain sockets and destination information (elastic#766)

v5.5.1

===== Bug fixes
* Fixed Starlette middleware when capturing request body while the content-type header is absent {pull}763[elastic#763]

Features

* Added destination information to database/HTTP spans, used for service maps (elastic#618)

Deprecations

 * *Python 3.4 is no longer supported.*

v5.4.3

Bug fixes

 * fixed a bug in our aiohttp.client support if used with a yarl URL (elastic#733)

v5.4.2

Bug fixes

 * fixed a bug in our celery implementation related to the threading refactor in 5.4.0 {pull}724[elastic#724]

Bug fixes

 * fixed an issue with a DEBUG log message raising an error in some cases (elastic#722)

Deprecations

This will be the last minor release to support the following versions:

 * Python 3.4
 * Django 1.8, 1.9 and 1.10
 * Flask < 1.0

In addition, as of this release we only supported capturing extended
information on Elasticsearch queries when using keyword arguments with the
elasticsearch-py API. This is in keeping with the
https://elasticsearch-py.readthedocs.io/en/master/api.html#api-documentation[upstream policy]
of positional arguments being unsupported. {pull}697[elastic#697]

New Features

 * Refactored spawning of background threads {pull}636[elastic#636]
 * Added support for aiohttp client and server {pull}659[elastic#659]
 * Added support for tornado web framework {pull}661[elastic#661]
 * Added support for starlette/fastapi {pull}694[elastic#694]
 * Added support for W3C `traceparent` and `tracestate` headers {pull}660[elastic#660]
 * Added Django 3.0 and Flask 1.1 to the support matrix {pull}667[elastic#667]
 * Added support for aiopg {pull}668[elastic#668]
 * Use Span ID as parent ID in errors if an error happens inside a span {pull}669[elastic#669]
 * Added experimental support for API Key authentication {pull}679[elastic#679]

Bug fixes

 * introduced workaround to avoid instrumenting twice in rare cases (elastic#708)

v5.3.3

Bugfixes

 * Fixed an issue with OpenTracing bridge and dropped spans (elastic#687)
 * Fixed bug that would make the agent ignore the `hostname` configuration setting (elastic#689)

= v5.3.2

== Bug fixes

 * Added support for IPv6 address format when parsing urls (elastic#649)