---
features:
  - |
    Improves logging format of kolla containers by adding
    timestamps with milliseconds, log levels, and a custom
    date format.
upgrade:
  - |
    Users who parse Docker container logs should take into account
    that for example `INFO:__main__:Validating config file` is now
    `YYYY-MM-DD HH:MM:SS.fff INFO Validating config file`.