Elastic-apm

Bug fixes

* Fix an issue where compressed spans would count against `transaction_max_spans` [1377]
* Make sure HTTP connections are not re-used after a process fork [1374]
* Fix an issue with psycopg2 instrumentation when multiple hosts are defined [1386]
* Update the `User-Agent` header to the new [spec](https://github.com/elastic/apm/pull/514) [#1378]
* Improve status_code handling in AWS Lambda integration [1382]
* Fix `aiohttp` exception handling to allow for non-500 responses including `HTTPOk` [1384]
* Force transaction names to strings [1389]

Other

* Remove unused `http.request.socket.encrypted` context field [1332]
* Remove unused transaction metrics (APM Server handles these metrics instead) [1388]

**Full Changelog**: https://github.com/elastic/apm-agent-python/compare/v6.6.1...v6.6.2

Bug fixes

* Fix some context fields and metadata handling in AWS Lambda support [1368]


**Full Changelog**: https://github.com/elastic/apm-agent-python/compare/v6.6.0...v6.6.1

Features

* Add experimental support for AWS lambda instrumentation [1193]
* Add support for span compression [1321]
* Auto-infer destination resources for easier instrumentation of new resources [1359]
* Add support for dropped span statistics [1327]

Bug fixes

* Ensure that Prometheus histograms are encoded correctly for APM Server [1354]
* Remove problematic (and duplicate) `event.dataset` from logging integrations [1365]
* Fix for memcache instrumentation when configured with a unix socket [1357]

Features

* Add instrumentation for Azure Storage (blob/table/fileshare) and Azure Queue [1316]

Bug fixes

* Improve span coverage for `asyncpg` [1328]
* aiohttp: Correctly pass custom client to tracing middleware [1345]
* Fixed an issue with httpx instrumentation [1337]
* Fixed an issue with Django 4.0 removing a private method [1347]

Features

* Rename the experimental `log_ecs_formatting` config to `log_ecs_reformatting` 1300
* Add support for Prometheus histograms 1165

Bug fixes

* Fixed cookie sanitization when Cookie is capitalized 1301
* Fix a bug with exception capturing for bad UUIDs 1304
* Fix potential errors in json serialization 1203
* Fix an issue with certain aioredis commands 1308

Bug fixes

* ensure that the elasticsearch instrumentation handles DroppedSpans correctly (1190)