upgrading-6-x.md

mapped_pages	https://www.elastic.co/guide/en/apm/agent/python/current/upgrading-6.x.html

Upgrading to version 6 of the agent [upgrading-6-x]

Python 2 no longer supported [_python_2_no_longer_supported]

Please upgrade to Python 3.6+ to continue to receive regular updates.

SANITIZE_FIELD_NAMES changes [_sanitize_field_names_changes]

If you are using a non-default sanitize_field_names config, please note that your entries must be surrounded with stars (e.g. *secret*) in order to maintain previous behavior.

Tags removed (in favor of labels) [_tags_removed_in_favor_of_labels]

Tags were deprecated in the 5.x release (in favor of labels). They have now been removed.