ansible/changelogs/fragments/ansible-env-config-prefix.yml

---
minor_changes:
- |
  All environment variables defined by ansible now start with the `ANSIBLE_`
  prefix.  The old environment vars still work for now.

  The new environment vars added are:
  - ANSIBLE_LIBVIRT_LXC_NOSECLABEL
  - ANSIBLE_DISPLAY_SKIPPED_HOSTS
  - ANSIBLE_NETWORK_GROUP_MODULES  

deprecated_features:
- |
  Ansible-defined environment variables not starting with `ANSIBLE_` have been
  deprecated.  New names match the old name plus the `ANSIBLE_` prefix.

  These environment variables have been deprecated:
  - LIBVIRT_LXC_NOSECLABEL
  - DISPLAY_SKIPPED_HOSTS
  - NETWORK_GROUP_MODULES